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		<title><![CDATA[Bezbedan Balkan - DoS / DDoS / dostupnost]]></title>
		<link>https://bezbedanbalkan.net/</link>
		<description><![CDATA[Bezbedan Balkan - https://bezbedanbalkan.net]]></description>
		<pubDate>Fri, 16 Oct 2026 22:58:14 +0000</pubDate>
		<generator>MyBB</generator>
		<item>
			<title><![CDATA[mts IRIS TV - iris.mts.rs - nedostupan tokom finala Mundijala]]></title>
			<link>https://bezbedanbalkan.net/thread-2633.html</link>
			<pubDate>Sun, 19 Jul 2026 22:22:59 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2633.html</guid>
			<description><![CDATA[Tokom trajanja finala Mundijala online usluga za gledanje mtsove IRIS TV usluge koja se nalazi na adresi iris.mts.rs često je bila nedostupna.<br />
<br />
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u trenucima kada je sajt uspeo da učita nešto, pojavljivala bi se greška :<br />
<br />
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			<content:encoded><![CDATA[Tokom trajanja finala Mundijala online usluga za gledanje mtsove IRIS TV usluge koja se nalazi na adresi iris.mts.rs često je bila nedostupna.<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7459" target="_blank">iris1.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">102.46 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">169</span></span>
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u trenucima kada je sajt uspeo da učita nešto, pojavljivala bi se greška :<br />
<br />
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<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7460" target="_blank">iris2.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">25.19 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">170</span></span>
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		<item>
			<title><![CDATA[kosibreti.rs - početničke boljke]]></title>
			<link>https://bezbedanbalkan.net/thread-2622.html</link>
			<pubDate>Fri, 10 Jul 2026 20:54:03 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2622.html</guid>
			<description><![CDATA[Danas je pušten u rad sajt kosibreti.rs koji bi trebalo da služi kao "siguran kanal za prijavu bahatosti javnih funkcionera, korupcije i zloupotreba"<br />
<br />
Na samom početku je imao neki problem sa slikama :<br />
<br />
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Tokom dana je bilo puno komentara po društvenim mrežama da jednostavno nije moguće podneti prijavu na sajt : <br />
<br />
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Trenutno deo sajta koji služi za podnošenje prijava uopšte ne radi :<br />
<br />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7425" target="_blank">kosi3.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">177.77 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">257</span></span>
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			<content:encoded><![CDATA[Danas je pušten u rad sajt kosibreti.rs koji bi trebalo da služi kao "siguran kanal za prijavu bahatosti javnih funkcionera, korupcije i zloupotreba"<br />
<br />
Na samom početku je imao neki problem sa slikama :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7426" target="_blank">kos1.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">114.73 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">260</span></span>
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<br />
Tokom dana je bilo puno komentara po društvenim mrežama da jednostavno nije moguće podneti prijavu na sajt : <br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7424" target="_blank">kosi2.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">102.37 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">255</span></span>
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<br />
Trenutno deo sajta koji služi za podnošenje prijava uopšte ne radi :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7425" target="_blank">kosi3.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">177.77 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">257</span></span>
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		<item>
			<title><![CDATA[DNS Informatika ad <> Cloudflare 1.1.1.1 - SERVFAIL]]></title>
			<link>https://bezbedanbalkan.net/thread-2620.html</link>
			<pubDate>Fri, 10 Jul 2026 12:43:53 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2620.html</guid>
			<description><![CDATA[DNS serveri <span style="font-weight: bold;" class="mycode_b">Informatike a.d.</span> imaju problema sa komunikacijom sa <span style="font-weight: bold;" class="mycode_b">Cloudflare anycast 1.1.1.1 resolver</span>, ali naizgled ne u globalu, već sa određenim nodeovima / serverima. Iz Srbije ako putanja ide do Cloudflare lokacije <span style="font-weight: bold;" class="mycode_b">BEG</span>, deluje da je statistika neuspeha 100%.<br />
<br />
1.1.1.1 node u problemu sa komunikacijom vraća <span style="font-weight: bold;" class="mycode_b">SERVFAIL</span> kod za neuspeli upit, a ukoliko je EDNS0 funkcionalnost uključena, vratiće i <span style="font-weight: bold;" class="mycode_b">EDE</span> kod <span style="font-weight: bold;" class="mycode_b">22 No reachable authority</span>.<br />
<br />
Kombinacije UDP/TCP i bez EDNS/sa EDNS ne utiče na uspeh upita.<br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite>; &lt;&lt;&gt;&gt; DiG 9.20.23-1~deb13u1-Debian &lt;&lt;&gt;&gt; 41741ed8-86b4-407c-989d-7878dc6ad87d.ns.infosky.net TXT @1.1.1.1<br />
;; global options: +cmd<br />
;; Got answer:<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #c10300;" class="mycode_color">;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: SERVFAIL, id: 58914</span></span><br />
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 1232<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #c10300;" class="mycode_color">; EDE: 22 (No Reachable Authority): (at delegation infosky.net.)</span></span></blockquote>
<br />
DNS serveri:<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>ns.infosky.net
nss.infosky.net
ns.informatika.com</code></div></div><br />
Presek stanja po Cloudflare lokacijama.<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-weight: bold;" class="mycode_b"><span style="color: #C10300;" class="mycode_color">BEG (lokalno, Telekom Srbija): 5/5 SERVFAIL (100%)</span><br />
<span style="color: #C19E00;" class="mycode_color">SEA (East US VPS): 1/5 SERVFAIL (20%)</span> [ponekada i 0/5 SERVFAIL]<br />
<span style="color: #C19E00;" class="mycode_color">AMS (Amsterdam VPS): 1/5 SERVFAIL (20%)</span> [ponekada i 0/5 SERVFAIL]</span></blockquote>
<br />
Za potrebe testiranja sam koristio nasumično generisane poddomene kako bi se isključila mogućnost pozitivnog ili negativnog keširanja. Deluje da je u pitanju problem firewalla ili rutiranja čim je ovakvo polovično stanje, a <span style="font-weight: bold;" class="mycode_b">AMS/SEA</span> verovatno ima dosta više raspoloživih servera nego <span style="font-weight: bold;" class="mycode_b">BEG</span> pa su sa time i veće šanse da dođe sa druge, neproblematične adrese.<br />
<br />
1.1.1.1 se korisnički dosta koristi i ovi infosky nameserveri koji su pogođeni ovim problemom komunikacije se koriste za poslovne klijente, tako da bi trebalo videti u čemu je problem.<br /><!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/txt.png" title="Text Document" alt=".txt" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7418" target="_blank">infosky_sea.txt</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">3.46 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">63</span></span>
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<a  class="vmiddle inline-block" href="attachment.php?aid=7419" target="_blank">infosky_beg.txt</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">3.25 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">52</span></span>
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<img src="https://bezbedanbalkan.net/images/attachtypes/txt.png" title="Text Document" alt=".txt" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7420" target="_blank">infosky_ams.txt</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">3.46 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">64</span></span>
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			<content:encoded><![CDATA[DNS serveri <span style="font-weight: bold;" class="mycode_b">Informatike a.d.</span> imaju problema sa komunikacijom sa <span style="font-weight: bold;" class="mycode_b">Cloudflare anycast 1.1.1.1 resolver</span>, ali naizgled ne u globalu, već sa određenim nodeovima / serverima. Iz Srbije ako putanja ide do Cloudflare lokacije <span style="font-weight: bold;" class="mycode_b">BEG</span>, deluje da je statistika neuspeha 100%.<br />
<br />
1.1.1.1 node u problemu sa komunikacijom vraća <span style="font-weight: bold;" class="mycode_b">SERVFAIL</span> kod za neuspeli upit, a ukoliko je EDNS0 funkcionalnost uključena, vratiće i <span style="font-weight: bold;" class="mycode_b">EDE</span> kod <span style="font-weight: bold;" class="mycode_b">22 No reachable authority</span>.<br />
<br />
Kombinacije UDP/TCP i bez EDNS/sa EDNS ne utiče na uspeh upita.<br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite>; &lt;&lt;&gt;&gt; DiG 9.20.23-1~deb13u1-Debian &lt;&lt;&gt;&gt; 41741ed8-86b4-407c-989d-7878dc6ad87d.ns.infosky.net TXT @1.1.1.1<br />
;; global options: +cmd<br />
;; Got answer:<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #c10300;" class="mycode_color">;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: SERVFAIL, id: 58914</span></span><br />
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 1232<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #c10300;" class="mycode_color">; EDE: 22 (No Reachable Authority): (at delegation infosky.net.)</span></span></blockquote>
<br />
DNS serveri:<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>ns.infosky.net
nss.infosky.net
ns.informatika.com</code></div></div><br />
Presek stanja po Cloudflare lokacijama.<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-weight: bold;" class="mycode_b"><span style="color: #C10300;" class="mycode_color">BEG (lokalno, Telekom Srbija): 5/5 SERVFAIL (100%)</span><br />
<span style="color: #C19E00;" class="mycode_color">SEA (East US VPS): 1/5 SERVFAIL (20%)</span> [ponekada i 0/5 SERVFAIL]<br />
<span style="color: #C19E00;" class="mycode_color">AMS (Amsterdam VPS): 1/5 SERVFAIL (20%)</span> [ponekada i 0/5 SERVFAIL]</span></blockquote>
<br />
Za potrebe testiranja sam koristio nasumično generisane poddomene kako bi se isključila mogućnost pozitivnog ili negativnog keširanja. Deluje da je u pitanju problem firewalla ili rutiranja čim je ovakvo polovično stanje, a <span style="font-weight: bold;" class="mycode_b">AMS/SEA</span> verovatno ima dosta više raspoloživih servera nego <span style="font-weight: bold;" class="mycode_b">BEG</span> pa su sa time i veće šanse da dođe sa druge, neproblematične adrese.<br />
<br />
1.1.1.1 se korisnički dosta koristi i ovi infosky nameserveri koji su pogođeni ovim problemom komunikacije se koriste za poslovne klijente, tako da bi trebalo videti u čemu je problem.<br /><!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/txt.png" title="Text Document" alt=".txt" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=7418" target="_blank">infosky_sea.txt</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">3.46 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">63</span></span>
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/txt.png" title="Text Document" alt=".txt" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7419" target="_blank">infosky_beg.txt</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">3.25 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">52</span></span>
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<img src="https://bezbedanbalkan.net/images/attachtypes/txt.png" title="Text Document" alt=".txt" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7420" target="_blank">infosky_ams.txt</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">3.46 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">64</span></span>
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			<title><![CDATA[ns4.gov.rs - connection refused]]></title>
			<link>https://bezbedanbalkan.net/thread-2594.html</link>
			<pubDate>Sat, 27 Jun 2026 15:52:13 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2594.html</guid>
			<description><![CDATA[Jedan od autoritarnih nameservera za <span style="font-weight: bold;" class="mycode_b">gov.rs</span> zonu <span style="font-weight: bold;" class="mycode_b">ns4.gov.rs</span> (<span style="font-weight: bold;" class="mycode_b">82.117.223.167 - SBB AS31042</span>) je nedostupan "od skoro" i vraća connection refused (<span style="font-weight: bold;" class="mycode_b">udp DNS: ICMP unreachable; tcp DNS: TCP RST</span>) za svaki DNS upit.<br />
<br />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7294" target="_blank">Screenshot From 2026-06-27 17-37-29.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">23.8 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">160</span></span>
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<a  class="vmiddle inline-block" href="attachment.php?aid=7295" target="_blank">Screenshot From 2026-06-27 17-37-42.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">14.69 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">166</span></span>
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<br />
Po Shodan trendovima, bio je dostupan do pre mesec i po dana ili dva meseca.<br />
<br />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7297" target="_blank">Screenshot from 2026-06-27 17-27-59.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">39.28 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">155</span></span>
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<br />
Ispario je iz Shodan pretrage, što će reći da nije viđen nekoliko nedelja.<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7298" target="_blank">Screenshot From 2026-06-27 17-28-48.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">25.95 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">152</span></span>
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<br />
Na Fofi je zadnji put viđen 15. maja, što bi moglo da potvrdi da je ugašen pre mesec i po dana.<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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Pretpostavljam da je ovaj nameserver namerno ugašen i u tom slučaju je connection refused svakako dosta bolja opcija nego da ostane na čekanju za timeout. Istovremeno, zapisi za <span style="font-weight: bold;" class="mycode_b">ns4</span> se i dalje nalaze na RNIDS, tako da je status i razlog nedostupnosti nejasan i možda bi zapise trebalo ukloniti kako bi se izbeglo komplikovanje.<br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: x-small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"># dig gov.rs NS @a.nic.rs +noall +authority<br />
gov.rs. 900 IN NS ns1.gov.rs.<br />
gov.rs. 900 IN NS ns2.gov.rs.<br />
gov.rs. 900 IN NS ns3.gov.rs.<br />
<span style="font-weight: bold;" class="mycode_b">gov.rs. 900 IN NS ns4.gov.rs.</span><br />
gov.rs. 900 IN NS gov1.nic.rs.<br />
gov.rs. 900 IN NS gov2.nic.rs.<br />
gov.rs. 900 IN NS dagda1.isp.telekom.rs.</span></span></blockquote>
<br />
<span style="text-decoration: line-through;" class="mycode_s">Ovo sam primetio tokom istraživanja <span style="font-weight: bold;" class="mycode_b"><a href="https://bezbedanbalkan.net/thread-2593-post-6369.html" target="_blank" rel="noopener" class="mycode_url">dmdm.gov.rs / dmdm.rs - potpuno pregažen kazinom</a></span> gde je Cloudflareov <span style="font-weight: bold;" class="mycode_b">1.1.1.1</span> node uporno vraćao <span style="font-weight: bold;" class="mycode_b">SERVFAIL</span> za <span style="font-weight: bold;" class="mycode_b">dmdm.gov.rs</span> zonu dok nije "pročepio". Ne znam da li postoji mogućnost da je negativno keširao neuspeli upit sa <span style="font-weight: bold;" class="mycode_b">ns4</span> koji je sprečio da dođe do autoritarne zone <span style="font-weight: bold;" class="mycode_b">dmdm.gov.rs</span> ili je u pitanju neki drugi problem zbog čega nije mogao u tom trenutku da dođe do iste.</span><br />
<span style="font-weight: bold;" class="mycode_b">Dopuna:</span> Detaljnije sam testirao ovo za dmdm.gov.rs, postoji problem sa DNSom ali nema veze sa ovime. Mislim da sam našao uzročnik i prijavljujem ga.<br />
Ono što bih rekao da jeste povezano sa ovime je da Cloudflareov <span style="font-weight: bold;" class="mycode_b">1.1.1.1</span> node na odgovoru povremeno doda EDNS Poruku <span style="font-weight: bold;" class="mycode_b">Network error</span>, pretpostavljam ako naiđe na <span style="font-weight: bold;" class="mycode_b">ns4</span> i odbijenu konekciju jer se ovo ne javlja na "čistim" .rs domenima. Međutim, ta poruka je benigna jer se uzme naredni raspoloživi nameserver i vrati važeći upit te neće biti problema sa uslugom (<span style="font-weight: bold;" class="mycode_b">NOERROR</span>).<br />
<br />
<div class="codeblock phpcodeblock"><div class="title">PHP Code:</div><div class="body"><div dir="ltr"><code><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">48</span><span style="color: #007700">:</span><span style="color: #0000BB">20 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">prosveta</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">2090
</span><span style="color: #007700">; </span><span style="color: #0000BB">EDE</span><span style="color: #007700">: </span><span style="color: #0000BB">23 </span><span style="color: #007700">(</span><span style="color: #0000BB">Network Error</span><span style="color: #007700">)

</span><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">51</span><span style="color: #007700">:</span><span style="color: #0000BB">26 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">prosveta</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">10657 
</span></code></div></div></div><br />
<div class="codeblock phpcodeblock"><div class="title">PHP Code:</div><div class="body"><div dir="ltr"><code><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">55</span><span style="color: #007700">:</span><span style="color: #0000BB">36 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">mojdoktor</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">11363
</span><span style="color: #007700">; </span><span style="color: #0000BB">EDE</span><span style="color: #007700">: </span><span style="color: #0000BB">23 </span><span style="color: #007700">(</span><span style="color: #0000BB">Network Error</span><span style="color: #007700">)

</span><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">57</span><span style="color: #007700">:</span><span style="color: #0000BB">40 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">mojdoktor</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">14747 
</span></code></div></div></div><br />
<br />
<a href="https://dnsviz.net/d/gov.rs/aj_vgg/responses/" target="_blank" rel="noopener" class="mycode_url"><span style="font-weight: bold;" class="mycode_b">DNSViz analiza se nalazi na sledećem linku.</span></a><br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7296" target="_blank">Screenshot From 2026-06-27 17-43-53.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">48.19 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">155</span></span>
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			<content:encoded><![CDATA[Jedan od autoritarnih nameservera za <span style="font-weight: bold;" class="mycode_b">gov.rs</span> zonu <span style="font-weight: bold;" class="mycode_b">ns4.gov.rs</span> (<span style="font-weight: bold;" class="mycode_b">82.117.223.167 - SBB AS31042</span>) je nedostupan "od skoro" i vraća connection refused (<span style="font-weight: bold;" class="mycode_b">udp DNS: ICMP unreachable; tcp DNS: TCP RST</span>) za svaki DNS upit.<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7294" target="_blank">Screenshot From 2026-06-27 17-37-29.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">23.8 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">160</span></span>
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7295" target="_blank">Screenshot From 2026-06-27 17-37-42.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">14.69 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">166</span></span>
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Po Shodan trendovima, bio je dostupan do pre mesec i po dana ili dva meseca.<br />
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<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7297" target="_blank">Screenshot from 2026-06-27 17-27-59.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">39.28 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">155</span></span>
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<br />
Ispario je iz Shodan pretrage, što će reći da nije viđen nekoliko nedelja.<br />
<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=7298" target="_blank">Screenshot From 2026-06-27 17-28-48.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">25.95 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">152</span></span>
</div>
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<br />
Na Fofi je zadnji put viđen 15. maja, što bi moglo da potvrdi da je ugašen pre mesec i po dana.<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=7299" target="_blank">Screenshot From 2026-06-27 17-32-34.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">32.02 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">152</span></span>
</div>
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<br />
Pretpostavljam da je ovaj nameserver namerno ugašen i u tom slučaju je connection refused svakako dosta bolja opcija nego da ostane na čekanju za timeout. Istovremeno, zapisi za <span style="font-weight: bold;" class="mycode_b">ns4</span> se i dalje nalaze na RNIDS, tako da je status i razlog nedostupnosti nejasan i možda bi zapise trebalo ukloniti kako bi se izbeglo komplikovanje.<br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: x-small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"># dig gov.rs NS @a.nic.rs +noall +authority<br />
gov.rs. 900 IN NS ns1.gov.rs.<br />
gov.rs. 900 IN NS ns2.gov.rs.<br />
gov.rs. 900 IN NS ns3.gov.rs.<br />
<span style="font-weight: bold;" class="mycode_b">gov.rs. 900 IN NS ns4.gov.rs.</span><br />
gov.rs. 900 IN NS gov1.nic.rs.<br />
gov.rs. 900 IN NS gov2.nic.rs.<br />
gov.rs. 900 IN NS dagda1.isp.telekom.rs.</span></span></blockquote>
<br />
<span style="text-decoration: line-through;" class="mycode_s">Ovo sam primetio tokom istraživanja <span style="font-weight: bold;" class="mycode_b"><a href="https://bezbedanbalkan.net/thread-2593-post-6369.html" target="_blank" rel="noopener" class="mycode_url">dmdm.gov.rs / dmdm.rs - potpuno pregažen kazinom</a></span> gde je Cloudflareov <span style="font-weight: bold;" class="mycode_b">1.1.1.1</span> node uporno vraćao <span style="font-weight: bold;" class="mycode_b">SERVFAIL</span> za <span style="font-weight: bold;" class="mycode_b">dmdm.gov.rs</span> zonu dok nije "pročepio". Ne znam da li postoji mogućnost da je negativno keširao neuspeli upit sa <span style="font-weight: bold;" class="mycode_b">ns4</span> koji je sprečio da dođe do autoritarne zone <span style="font-weight: bold;" class="mycode_b">dmdm.gov.rs</span> ili je u pitanju neki drugi problem zbog čega nije mogao u tom trenutku da dođe do iste.</span><br />
<span style="font-weight: bold;" class="mycode_b">Dopuna:</span> Detaljnije sam testirao ovo za dmdm.gov.rs, postoji problem sa DNSom ali nema veze sa ovime. Mislim da sam našao uzročnik i prijavljujem ga.<br />
Ono što bih rekao da jeste povezano sa ovime je da Cloudflareov <span style="font-weight: bold;" class="mycode_b">1.1.1.1</span> node na odgovoru povremeno doda EDNS Poruku <span style="font-weight: bold;" class="mycode_b">Network error</span>, pretpostavljam ako naiđe na <span style="font-weight: bold;" class="mycode_b">ns4</span> i odbijenu konekciju jer se ovo ne javlja na "čistim" .rs domenima. Međutim, ta poruka je benigna jer se uzme naredni raspoloživi nameserver i vrati važeći upit te neće biti problema sa uslugom (<span style="font-weight: bold;" class="mycode_b">NOERROR</span>).<br />
<br />
<div class="codeblock phpcodeblock"><div class="title">PHP Code:</div><div class="body"><div dir="ltr"><code><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">48</span><span style="color: #007700">:</span><span style="color: #0000BB">20 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">prosveta</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">2090
</span><span style="color: #007700">; </span><span style="color: #0000BB">EDE</span><span style="color: #007700">: </span><span style="color: #0000BB">23 </span><span style="color: #007700">(</span><span style="color: #0000BB">Network Error</span><span style="color: #007700">)

</span><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">51</span><span style="color: #007700">:</span><span style="color: #0000BB">26 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">prosveta</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">10657 
</span></code></div></div></div><br />
<div class="codeblock phpcodeblock"><div class="title">PHP Code:</div><div class="body"><div dir="ltr"><code><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">55</span><span style="color: #007700">:</span><span style="color: #0000BB">36 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">mojdoktor</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">11363
</span><span style="color: #007700">; </span><span style="color: #0000BB">EDE</span><span style="color: #007700">: </span><span style="color: #0000BB">23 </span><span style="color: #007700">(</span><span style="color: #0000BB">Network Error</span><span style="color: #007700">)

</span><span style="color: #0000BB">Sat Jun 27 21</span><span style="color: #007700">:</span><span style="color: #0000BB">57</span><span style="color: #007700">:</span><span style="color: #0000BB">40 UTC 2026
</span><span style="color: #007700">; &lt;&lt;&gt;&gt; </span><span style="color: #0000BB">DiG 9.20.23</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">~</span><span style="color: #0000BB">deb13u1</span><span style="color: #007700">-</span><span style="color: #0000BB">Debian </span><span style="color: #007700">&lt;&lt;&gt;&gt; </span><span style="color: #0000BB">mojdoktor</span><span style="color: #007700">.</span><span style="color: #0000BB">gov</span><span style="color: #007700">.</span><span style="color: #0000BB">rs TXT </span><span style="color: #007700">@</span><span style="color: #0000BB">1.1.1.1
</span><span style="color: #007700">;; -&gt;&gt;</span><span style="color: #0000BB">HEADER</span><span style="color: #007700">&lt;&lt;- </span><span style="color: #0000BB">opcode</span><span style="color: #007700">: </span><span style="color: #0000BB">QUERY</span><span style="color: #007700">, </span><span style="color: #0000BB">status</span><span style="color: #007700">: </span><span style="color: #0000BB">NOERROR</span><span style="color: #007700">, </span><span style="color: #0000BB">id</span><span style="color: #007700">: </span><span style="color: #0000BB">14747 
</span></code></div></div></div><br />
<br />
<a href="https://dnsviz.net/d/gov.rs/aj_vgg/responses/" target="_blank" rel="noopener" class="mycode_url"><span style="font-weight: bold;" class="mycode_b">DNSViz analiza se nalazi na sledećem linku.</span></a><br />
<br />
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		<item>
			<title><![CDATA[Quad9 - SERVFAIL sa sekundarnih .rs poddomena]]></title>
			<link>https://bezbedanbalkan.net/thread-2577.html</link>
			<pubDate>Tue, 23 Jun 2026 19:43:00 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2577.html</guid>
			<description><![CDATA[Ne replicira se univerzalno niti stalno:<br />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7237" target="_blank">Screenshot From 2026-06-23 21-28-08.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">36.81 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">96</span></span>
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<br />
Cloudflare i četiri osmice su većinom u redu:<br />
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<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7236" target="_blank">Screenshot From 2026-06-23 21-28-21.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">41.76 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">95</span></span>
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<a  class="vmiddle inline-block" href="attachment.php?aid=7238" target="_blank">Screenshot From 2026-06-23 21-39-40.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">47.81 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">96</span></span>
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<br />
Uskoro opširnije ako potvrdim da je ono u šta sumnjam (DNSSEC veza sa kojom Quad9 ima problem)]]></description>
			<content:encoded><![CDATA[Ne replicira se univerzalno niti stalno:<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7237" target="_blank">Screenshot From 2026-06-23 21-28-08.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">36.81 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">96</span></span>
</div>
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<br />
Cloudflare i četiri osmice su većinom u redu:<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7236" target="_blank">Screenshot From 2026-06-23 21-28-21.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">41.76 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">95</span></span>
</div>
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7238" target="_blank">Screenshot From 2026-06-23 21-39-40.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">47.81 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">96</span></span>
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<br />
Uskoro opširnije ako potvrdim da je ono u šta sumnjam (DNSSEC veza sa kojom Quad9 ima problem)]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[Ne funkcioniše sajt poverenika za zaštitu podataka o ličnosti - poverenik.rs]]></title>
			<link>https://bezbedanbalkan.net/thread-2552.html</link>
			<pubDate>Thu, 18 Jun 2026 21:09:34 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2552.html</guid>
			<description><![CDATA[Kada se ode na poverenik.rs dobije se greška :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7152" target="_blank">pov2.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">27.91 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">148</span></span>
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<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>poverenik.rs has address 77.105.3.129</code></div></div><br />
Ne radi ni IDN verzija <a href="https://t.co/CItK4Ehu35" target="_blank" rel="noopener" class="mycode_url"><span style="color: #1d9bf0;" class="mycode_color">повереник.срб</span></a><br />
<br />
Možda povezano sa <a href="https://bezbedanbalkan.net/thread-2553.html" target="_blank" rel="noopener" class="mycode_url">Sajt poverenika za zaštitu podataka o ličnosti - poverenik.rs - indonežanski spam</a>]]></description>
			<content:encoded><![CDATA[Kada se ode na poverenik.rs dobije se greška :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7152" target="_blank">pov2.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">27.91 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">148</span></span>
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<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>poverenik.rs has address 77.105.3.129</code></div></div><br />
Ne radi ni IDN verzija <a href="https://t.co/CItK4Ehu35" target="_blank" rel="noopener" class="mycode_url"><span style="color: #1d9bf0;" class="mycode_color">повереник.срб</span></a><br />
<br />
Možda povezano sa <a href="https://bezbedanbalkan.net/thread-2553.html" target="_blank" rel="noopener" class="mycode_url">Sajt poverenika za zaštitu podataka o ličnosti - poverenik.rs - indonežanski spam</a>]]></content:encoded>
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		<item>
			<title><![CDATA[Problem sa ekranom na autobuskom stajalištu u Beogradu - prikazuje kernel poruke]]></title>
			<link>https://bezbedanbalkan.net/thread-2544.html</link>
			<pubDate>Sun, 14 Jun 2026 21:34:01 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2544.html</guid>
			<description><![CDATA[da zabeležimo ovaj simpatičan problem :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7109" target="_blank">gsp1.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">1.23 MB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">133</span></span>
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<br />
Verovatno poruka od DWC-OTG USB host controller na Raspberry Pi računarčiću što znači da svako stajalište ima svoj ugrađen RasPi koji rukuje prikazom dolaska autobuskih linija na ekranu.]]></description>
			<content:encoded><![CDATA[da zabeležimo ovaj simpatičan problem :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7109" target="_blank">gsp1.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">1.23 MB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">133</span></span>
</div>
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<br />
Verovatno poruka od DWC-OTG USB host controller na Raspberry Pi računarčiću što znači da svako stajalište ima svoj ugrađen RasPi koji rukuje prikazom dolaska autobuskih linija na ekranu.]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[[RS] Kancelarija za javne nabavke - Nedostupnost portala]]></title>
			<link>https://bezbedanbalkan.net/thread-2542.html</link>
			<pubDate>Fri, 12 Jun 2026 06:12:02 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2542.html</guid>
			<description><![CDATA[<blockquote class="mycode_quote"><cite>Quote:</cite><a href="https://www.ujn.gov.rs/nedostupnost-portala/" target="_blank" rel="noopener" class="mycode_url">Недоступност Портала</a><br />
25. maj 2026.<br />
<br />
Обавештавамо вас да су због недоступности Портала јавних набавки услед проблема на мрежној инфраструктури, сва отварања понуда код којих је рок за подношење понуда био између 12:30 и 14:40 часова 25. маја 2026. године, блокирана.<br />
<br />
С тим у вези, наручиоци су дужни да у овим поступцима јавних набавки поступе у складу са одредбама члана 87. Закона о јавним набавкама („Службени гласник РС“, број 91/19, 92/23).</blockquote>
<br />
<br />
<a href="https://ghostarchive.org/archive/ys7EF" target="_blank" rel="noopener" class="mycode_url">Arhivirano</a>]]></description>
			<content:encoded><![CDATA[<blockquote class="mycode_quote"><cite>Quote:</cite><a href="https://www.ujn.gov.rs/nedostupnost-portala/" target="_blank" rel="noopener" class="mycode_url">Недоступност Портала</a><br />
25. maj 2026.<br />
<br />
Обавештавамо вас да су због недоступности Портала јавних набавки услед проблема на мрежној инфраструктури, сва отварања понуда код којих је рок за подношење понуда био између 12:30 и 14:40 часова 25. маја 2026. године, блокирана.<br />
<br />
С тим у вези, наручиоци су дужни да у овим поступцима јавних набавки поступе у складу са одредбама члана 87. Закона о јавним набавкама („Службени гласник РС“, број 91/19, 92/23).</blockquote>
<br />
<br />
<a href="https://ghostarchive.org/archive/ys7EF" target="_blank" rel="noopener" class="mycode_url">Arhivirano</a>]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[Plaćanje preko APR sajta nedostupno satima]]></title>
			<link>https://bezbedanbalkan.net/thread-2537.html</link>
			<pubDate>Tue, 09 Jun 2026 17:26:53 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2537.html</guid>
			<description><![CDATA[Pri e-registraciji firme postoji opcija da se plate troškovi registracije, navodno ovo danas nije radilo oko tri i po sata od oko 12h do oko 15h uz poruku :<br />
<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
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<br />
izvor <a href="https://x.com/mavkoo/status/2064282941614698671" target="_blank" rel="noopener" class="mycode_url">https://x.com/mavkoo/status/2064282941614698671</a>]]></description>
			<content:encoded><![CDATA[Pri e-registraciji firme postoji opcija da se plate troškovi registracije, navodno ovo danas nije radilo oko tri i po sata od oko 12h do oko 15h uz poruku :<br />
<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="JPG Image" alt=".jpg" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=7072" target="_blank">aprp1.jpg</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">127.18 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">140</span></span>
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<br />
izvor <a href="https://x.com/mavkoo/status/2064282941614698671" target="_blank" rel="noopener" class="mycode_url">https://x.com/mavkoo/status/2064282941614698671</a>]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[Sajt katastra rudraskog otpada nedostupan]]></title>
			<link>https://bezbedanbalkan.net/thread-2529.html</link>
			<pubDate>Sat, 06 Jun 2026 10:34:17 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2529.html</guid>
			<description><![CDATA[Izašla je vest <a href="https://n1info.rs/zeleni-kutak/nestao-katastar-rudarskog-otpada-u-srbiji/" target="_blank" rel="noopener" class="mycode_url">Sajt katastra rudraskog otpada, plaćen svojevremeno velikih 2,1 miliona evra koji nikada nije zaživeo u punom kapacitetu, već danima ne radi. Iz nadležnog Ministarstva rudarstva i energetike ne odgovaraju na pitanje zbog čega je van funkcije.</a><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><a href="https://kro.mre.gov.rs/jkro/" target="_blank" rel="noopener" class="mycode_url">Katastar rudarskog otpada</a> nije dostupan već danima, za izuzetkom četvrtka 5. juna kada je bila vidljiva naslovna stranica sa informacijama “o nama” i “naši ciljevi”, bez ijednog podatka o onome čemu je namenjen - rudraskom otpadu.</blockquote>
<br />
Trenutno sajt jeste dostupan i učitava glavnu mapu, ali nije moguće učitati pojedine lokacije i dobiti detaljne podatke o njima :<br />
<br />
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<a  class="vmiddle inline-block" href="attachment.php?aid=7041" target="_blank">kro1.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">576.36 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">116</span></span>
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<br />
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
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<a  class="vmiddle inline-block" href="attachment.php?aid=7040" target="_blank">kro2.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">20.42 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">115</span></span>
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			<content:encoded><![CDATA[Izašla je vest <a href="https://n1info.rs/zeleni-kutak/nestao-katastar-rudarskog-otpada-u-srbiji/" target="_blank" rel="noopener" class="mycode_url">Sajt katastra rudraskog otpada, plaćen svojevremeno velikih 2,1 miliona evra koji nikada nije zaživeo u punom kapacitetu, već danima ne radi. Iz nadležnog Ministarstva rudarstva i energetike ne odgovaraju na pitanje zbog čega je van funkcije.</a><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><a href="https://kro.mre.gov.rs/jkro/" target="_blank" rel="noopener" class="mycode_url">Katastar rudarskog otpada</a> nije dostupan već danima, za izuzetkom četvrtka 5. juna kada je bila vidljiva naslovna stranica sa informacijama “o nama” i “naši ciljevi”, bez ijednog podatka o onome čemu je namenjen - rudraskom otpadu.</blockquote>
<br />
Trenutno sajt jeste dostupan i učitava glavnu mapu, ali nije moguće učitati pojedine lokacije i dobiti detaljne podatke o njima :<br />
<br />
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			<title><![CDATA[dksg.rs - nedostupan]]></title>
			<link>https://bezbedanbalkan.net/thread-2423.html</link>
			<pubDate>Fri, 01 May 2026 12:05:37 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2423.html</guid>
			<description><![CDATA[Danas sam primetio da je sajt <span style="font-weight: bold;" class="mycode_b">Doma kulture Studentskog grada</span> - <a href="http://dksg.rs" target="_blank" rel="noopener" class="mycode_url">dksg.rs</a> nedostupan.<br />
<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6691" target="_blank">Screenshot From 2026-05-01 13-43-12.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">35.99 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">247</span></span>
</div>
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6692" target="_blank">Screenshot From 2026-05-01 13-44-41.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">63.09 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">239</span></span>
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<br />
Autoritarni NS <span style="font-weight: bold;" class="mycode_b">37.48.108.46</span> (<span style="font-weight: bold;" class="mycode_b">jedro150.adriadns.com</span> / <span style="font-weight: bold;" class="mycode_b">ns299.<span style="color: #008e02;" class="mycode_color">adriadns</span>.com</span> / <span style="font-weight: bold;" class="mycode_b">ns300.<span style="color: #008e02;" class="mycode_color">adriadns</span>.com</span>, identični su A zapisi) za njihov domen je postao nedostupan, koji je inače na holandskoj LeaseWeb infrastrukturi koju koristi domaća kompanija <a href="https://adriahost.rs" target="_blank" rel="noopener" class="mycode_url">AdriaHost</a>.<br />
<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6693" target="_blank">Screenshot From 2026-05-01 13-46-41.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">77.74 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">244</span></span>
</div>
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<br />
Dodatno, po arhivi ruskog strugala&#153; pr-cy[.]ru na <a href="https://ghostarchive.org/archive/e5Prv?wr=false" target="_blank" rel="noopener" class="mycode_url">linku,</a> <span style="font-weight: bold;" class="mycode_b">jedro150</span> se koristilo i za web hosting zajedno sa zonom za domen.<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6694" target="_blank">Screenshot From 2026-05-01 14-01-43.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">13.77 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">222</span></span>
</div>
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<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
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<a  class="vmiddle inline-block" href="attachment.php?aid=6695" target="_blank">Screenshot From 2026-05-01 14-03-36.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">17.63 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">231</span></span>
</div>
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<br />
Zaključak je da je server <span style="font-weight: bold;" class="mycode_b">jedro150</span> potpuno nedostupan iz nejasnih razloga ili je u pitanju migracija a zapisi se nisu izmenili sa registar/RNIDS strane.<br />
<br />
Dodao bih da bi trebalo napraviti jasnu razliku između ovog <span style="font-weight: bold;" class="mycode_b">jedra150</span> i para ns299.<span style="font-weight: bold;" class="mycode_b"><span style="color: #00369b;" class="mycode_color">adriahost</span></span>.com i ns300.<span style="font-weight: bold;" class="mycode_b"><span style="color: #00369b;" class="mycode_color">adriahost</span></span>.com koji rade i upućuju na drugačije adrese ali su isto na LeaseWeb infrastrukturi.<br />
<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>luka@luka3630:~&#36; dig vss.rs @ns300.adriahost.com +noall +answer
vss.rs. 300 IN A 95.211.141.89</code></div></div>]]></description>
			<content:encoded><![CDATA[Danas sam primetio da je sajt <span style="font-weight: bold;" class="mycode_b">Doma kulture Studentskog grada</span> - <a href="http://dksg.rs" target="_blank" rel="noopener" class="mycode_url">dksg.rs</a> nedostupan.<br />
<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6691" target="_blank">Screenshot From 2026-05-01 13-43-12.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">35.99 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">247</span></span>
</div>
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<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6692" target="_blank">Screenshot From 2026-05-01 13-44-41.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">63.09 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">239</span></span>
</div>
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<br />
Autoritarni NS <span style="font-weight: bold;" class="mycode_b">37.48.108.46</span> (<span style="font-weight: bold;" class="mycode_b">jedro150.adriadns.com</span> / <span style="font-weight: bold;" class="mycode_b">ns299.<span style="color: #008e02;" class="mycode_color">adriadns</span>.com</span> / <span style="font-weight: bold;" class="mycode_b">ns300.<span style="color: #008e02;" class="mycode_color">adriadns</span>.com</span>, identični su A zapisi) za njihov domen je postao nedostupan, koji je inače na holandskoj LeaseWeb infrastrukturi koju koristi domaća kompanija <a href="https://adriahost.rs" target="_blank" rel="noopener" class="mycode_url">AdriaHost</a>.<br />
<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6693" target="_blank">Screenshot From 2026-05-01 13-46-41.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">77.74 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">244</span></span>
</div>
<!-- end: postbit_attachments_attachment --><br />
<br />
Dodatno, po arhivi ruskog strugala&#153; pr-cy[.]ru na <a href="https://ghostarchive.org/archive/e5Prv?wr=false" target="_blank" rel="noopener" class="mycode_url">linku,</a> <span style="font-weight: bold;" class="mycode_b">jedro150</span> se koristilo i za web hosting zajedno sa zonom za domen.<br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6694" target="_blank">Screenshot From 2026-05-01 14-01-43.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">13.77 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">222</span></span>
</div>
<!-- end: postbit_attachments_attachment --><br />
<!-- start: postbit_attachments_attachment -->
<div style="padding:4px 0px;"><span class="inline-block vmiddle"><!-- start: attachment_icon -->
<img src="https://bezbedanbalkan.net/images/attachtypes/image.png" title="PNG Image" alt=".png" />
<!-- end: attachment_icon --></span>
<a  class="vmiddle inline-block" href="attachment.php?aid=6695" target="_blank">Screenshot From 2026-05-01 14-03-36.png</a> <span class="smalltext float_right">Size: <span class="inline-block vmiddle">17.63 KB</span>&nbsp;&nbsp;Downloads: <span class="inline-block vmiddle">231</span></span>
</div>
<!-- end: postbit_attachments_attachment --><br />
<br />
Zaključak je da je server <span style="font-weight: bold;" class="mycode_b">jedro150</span> potpuno nedostupan iz nejasnih razloga ili je u pitanju migracija a zapisi se nisu izmenili sa registar/RNIDS strane.<br />
<br />
Dodao bih da bi trebalo napraviti jasnu razliku između ovog <span style="font-weight: bold;" class="mycode_b">jedra150</span> i para ns299.<span style="font-weight: bold;" class="mycode_b"><span style="color: #00369b;" class="mycode_color">adriahost</span></span>.com i ns300.<span style="font-weight: bold;" class="mycode_b"><span style="color: #00369b;" class="mycode_color">adriahost</span></span>.com koji rade i upućuju na drugačije adrese ali su isto na LeaseWeb infrastrukturi.<br />
<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>luka@luka3630:~&#36; dig vss.rs @ns300.adriahost.com +noall +answer
vss.rs. 300 IN A 95.211.141.89</code></div></div>]]></content:encoded>
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		<item>
			<title><![CDATA[vreme2.dmdm.rs NTP - polu-dostupan, ispada]]></title>
			<link>https://bezbedanbalkan.net/thread-2398.html</link>
			<pubDate>Mon, 13 Apr 2026 21:42:01 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2398.html</guid>
			<description><![CDATA[Podešavao sam lični uređaj i primetio da se <span style="font-weight: bold;" class="mycode_b">vreme2.dmdm.rs</span> (195.250.114.105) čudno ponaša (deo koji nisam dokumentovao). Kasnije sam proveravao aktivne servere u našem <a href="https://www.ntppool.org/zone/rs" target="_blank" rel="noopener" class="mycode_url">rs.pool.ntp.org</a> i tu sam uočio da ovaj server stalno "ispada" i vraća se:<br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #008e02;" class="mycode_color">10.40, vreme2 je prisutno u poolu:</span></span><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">root@lap-xubuntu:~# dig rs.pool.ntp.org<br />
<br />
; &lt;&lt;&gt;&gt; DiG 9.18.39-0ubuntu0.24.04.3-Ubuntu &lt;&lt;&gt;&gt; rs.pool.ntp.org<br />
;; global options: +cmd<br />
;; Got answer:<br />
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 52519<br />
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 65494<br />
;; QUESTION SECTION:<br />
;rs.pool.ntp.org. IN A<br />
<br />
;; ANSWER SECTION:<br />
rs.pool.ntp.org. 18 IN A 217.24.20.5<br />
rs.pool.ntp.org. 18 IN A 147.91.26.20<br />
</span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Arial Black';" class="mycode_font"><span style="font-weight: bold;" class="mycode_b">rs.pool.ntp.org. 18 IN A 195.250.114.105</span></span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"><br />
rs.pool.ntp.org. 18 IN A 195.178.58.245<br />
<br />
;; Query time: 1 msec<br />
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)<br />
;; WHEN: Wed Apr 08 10:40:01 CEST 2026<br />
;; MSG SIZE rcvd: 108</span></span></blockquote>
<br />
<span style="color: #c10300;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">10.41, vreme2 nije prisutno:</span></span><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">root@lap-xubuntu:~# dig rs.pool.ntp.org<br />
</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">; &lt;&lt;&gt;&gt; DiG 9.18.39-0ubuntu0.24.04.3-Ubuntu &lt;&lt;&gt;&gt; rs.pool.ntp.org</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; global options: +cmd</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; Got answer:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 39406</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; OPT PSEUDOSECTION:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">; EDNS: version: 0, flags:; udp: 65494</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; QUESTION SECTION:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;rs.pool.ntp.org. IN A</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; ANSWER SECTION:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">rs.pool.ntp.org. 52 IN A 217.24.20.5</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">rs.pool.ntp.org. 52 IN A 195.178.58.245</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">rs.pool.ntp.org. 52 IN A 147.91.26.20</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; Query time: 0 msec</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; WHEN: Wed Apr 08 10:41:27 CEST 2026</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; MSG SIZE rcvd: 92</span></span></blockquote>
<br />
<span style="font-weight: bold;" class="mycode_b">pool.ntp.org</span> A RRovi bi trebalo <span style="font-weight: bold;" class="mycode_b">maksimalno</span> da vrate četiri zapisa koji se smenjuju a u ispadu ih bude troje, tako da definitivno nešto ne valja. Ovde je olakšavajuća okolnost što naš pool nema više od četiri servera pa je lakše primetiti ovako nešto. Meni liči na neki agresivni firewall u koji bi mogla da udari neka provera zdravlja <span style="font-weight: bold;" class="mycode_b">ntp.org</span> a da nije propuštena što bi moglo da izazove ovakve ispade.<br />
<br />
Takođe, ping ponašanje je vrlo interesantno, ruter(?) vrati svaki treći paket, što bi moglo da potvrdi prethodnu teoriju.<br />
<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=3 Packet filtered
From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=6 Packet filtered
From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=9 Packet filtered
From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=12 Packet filtered</code></div></div><br />
Više o: <a href="https://www.dmdm.rs/sr/o-nama/organizacija/sektor-za-razvoj-metrologije/grupa-za-vreme-i-frekvenciju/laboratorija-za-distribuciju-vremena" target="_blank" rel="noopener" class="mycode_url">Nacionalni javni stratum 2 NTP serveri</a>]]></description>
			<content:encoded><![CDATA[Podešavao sam lični uređaj i primetio da se <span style="font-weight: bold;" class="mycode_b">vreme2.dmdm.rs</span> (195.250.114.105) čudno ponaša (deo koji nisam dokumentovao). Kasnije sam proveravao aktivne servere u našem <a href="https://www.ntppool.org/zone/rs" target="_blank" rel="noopener" class="mycode_url">rs.pool.ntp.org</a> i tu sam uočio da ovaj server stalno "ispada" i vraća se:<br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #008e02;" class="mycode_color">10.40, vreme2 je prisutno u poolu:</span></span><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">root@lap-xubuntu:~# dig rs.pool.ntp.org<br />
<br />
; &lt;&lt;&gt;&gt; DiG 9.18.39-0ubuntu0.24.04.3-Ubuntu &lt;&lt;&gt;&gt; rs.pool.ntp.org<br />
;; global options: +cmd<br />
;; Got answer:<br />
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 52519<br />
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 65494<br />
;; QUESTION SECTION:<br />
;rs.pool.ntp.org. IN A<br />
<br />
;; ANSWER SECTION:<br />
rs.pool.ntp.org. 18 IN A 217.24.20.5<br />
rs.pool.ntp.org. 18 IN A 147.91.26.20<br />
</span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Arial Black';" class="mycode_font"><span style="font-weight: bold;" class="mycode_b">rs.pool.ntp.org. 18 IN A 195.250.114.105</span></span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"><br />
rs.pool.ntp.org. 18 IN A 195.178.58.245<br />
<br />
;; Query time: 1 msec<br />
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)<br />
;; WHEN: Wed Apr 08 10:40:01 CEST 2026<br />
;; MSG SIZE rcvd: 108</span></span></blockquote>
<br />
<span style="color: #c10300;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">10.41, vreme2 nije prisutno:</span></span><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">root@lap-xubuntu:~# dig rs.pool.ntp.org<br />
</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">; &lt;&lt;&gt;&gt; DiG 9.18.39-0ubuntu0.24.04.3-Ubuntu &lt;&lt;&gt;&gt; rs.pool.ntp.org</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; global options: +cmd</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; Got answer:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 39406</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; OPT PSEUDOSECTION:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">; EDNS: version: 0, flags:; udp: 65494</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; QUESTION SECTION:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;rs.pool.ntp.org. IN A</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; ANSWER SECTION:</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">rs.pool.ntp.org. 52 IN A 217.24.20.5</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">rs.pool.ntp.org. 52 IN A 195.178.58.245</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">rs.pool.ntp.org. 52 IN A 147.91.26.20</span></span><br />
<br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; Query time: 0 msec</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; WHEN: Wed Apr 08 10:41:27 CEST 2026</span></span><br />
<span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">;; MSG SIZE rcvd: 92</span></span></blockquote>
<br />
<span style="font-weight: bold;" class="mycode_b">pool.ntp.org</span> A RRovi bi trebalo <span style="font-weight: bold;" class="mycode_b">maksimalno</span> da vrate četiri zapisa koji se smenjuju a u ispadu ih bude troje, tako da definitivno nešto ne valja. Ovde je olakšavajuća okolnost što naš pool nema više od četiri servera pa je lakše primetiti ovako nešto. Meni liči na neki agresivni firewall u koji bi mogla da udari neka provera zdravlja <span style="font-weight: bold;" class="mycode_b">ntp.org</span> a da nije propuštena što bi moglo da izazove ovakve ispade.<br />
<br />
Takođe, ping ponašanje je vrlo interesantno, ruter(?) vrati svaki treći paket, što bi moglo da potvrdi prethodnu teoriju.<br />
<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=3 Packet filtered
From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=6 Packet filtered
From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=9 Packet filtered
From 77-105-12-34.smin-1.sezampro.rs (77.105.12.34) icmp_seq=12 Packet filtered</code></div></div><br />
Više o: <a href="https://www.dmdm.rs/sr/o-nama/organizacija/sektor-za-razvoj-metrologije/grupa-za-vreme-i-frekvenciju/laboratorija-za-distribuciju-vremena" target="_blank" rel="noopener" class="mycode_url">Nacionalni javni stratum 2 NTP serveri</a>]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[[Telekom] b.nic.rs TLD NS - TCP nedostupnost]]></title>
			<link>https://bezbedanbalkan.net/thread-2396.html</link>
			<pubDate>Sat, 11 Apr 2026 07:37:35 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=166">Venis33</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2396.html</guid>
			<description><![CDATA[Primetio sam da su DNS upiti <span style="font-weight: bold;" class="mycode_b">putem TCP</span> efektivno nedostupni na Telekomovom serveru <span style="font-weight: bold;" class="mycode_b">odisej.telekom.rs</span> (195.178.32.2), odnosno RNIDS TLD NS <span style="font-weight: bold;" class="mycode_b">b.nic.rs</span> koji je "u rotaciji" za rs. TLD. Ack na korisnički paket od servera stigne odmah, ali PUSH sa podacima, odnosno DNS odgovorom gotovo nikako. To upućuje na probleme sa samim DNS servisom poput punjenja queue, zaglavljeni syscall zbog nekog čekanja i slično.<br />
<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>luka@luka3630:~&#36; for nic in &#36;(dig rs. NS +short); do echo "DNS: &#36;nic | qtype: SOA"; dig rs. SOA @&#36;nic +short +tcp; done
DNS: f.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: c.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: b.nic.rs. | qtype: SOA
;; communications error to 195.178.32.2#53: timed out
;; communications error to 195.178.32.2#53: timed out
;; communications error to 195.178.32.2#53: timed out
;; Connection to 2a00:e90:0:3::3#53(2a00:e90:0:3::3) for rs. failed: network unreachable.
;; no servers could be reached
DNS: h.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: a.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: l.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600</code></div></div><br />
Kada se drastično poveća timeout, ipak na kraju i može da stigne odgovor, ali jako sporo, od 30 sekundi preko 50 sekundi do toga da čak ni 75s za timeout nije dovoljno.<br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">luka@luka3630:~/.ssh&#36; sudo -u nobody dig rs. SOA @b.nic.rs +tcp +timeout=75<br />
<br />
; &lt;&lt;&gt;&gt; DiG 9.20.18-1~deb13u1-Debian &lt;&lt;&gt;&gt; rs. SOA @b.nic.rs +tcp +timeout=75<br />
;; global options: +cmd<br />
;; Got answer:<br />
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 43208<br />
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<br />
;; WARNING: recursion requested but not available<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 1232<br />
; COOKIE: 208905b4a1abf2950100000069d89af0c0daef4f6b3b3a15 (good)<br />
;; QUESTION SECTION:<br />
;rs.                IN    SOA<br />
<br />
;; ANSWER SECTION:<br />
rs.            3600    IN    SOA    a.nic.rs. hostmaster.nic.rs. 2026041019 3600 900 2419200 3600<br />
<br />
</span></span><span style="color: #c10300;" class="mycode_color"><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Arial Black';" class="mycode_font">;; Query time: 50444 msec</span></span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"><br />
;; SERVER: 195.178.32.2#53(b.nic.rs) (TCP)<br />
;; WHEN: Fri Apr 10 08:38:40 CEST 2026<br />
;; MSG SIZE  rcvd: 112<br />
<br />
luka@luka3630:~/.ssh&#36; sudo -u nobody dig rs. SOA @b.nic.rs +tcp +timeout=75<br />
<br />
; &lt;&lt;&gt;&gt; DiG 9.20.18-1~deb13u1-Debian &lt;&lt;&gt;&gt; rs. SOA @b.nic.rs +tcp +timeout=75<br />
;; global options: +cmd<br />
;; Got answer:<br />
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 29929<br />
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<br />
;; WARNING: recursion requested but not available<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 1232<br />
; COOKIE: 223a983be43a93650100000069d89bc7c0c5bb886e47568f (good)<br />
;; QUESTION SECTION:<br />
;rs.                IN    SOA<br />
<br />
;; ANSWER SECTION:<br />
rs.            3600    IN    SOA    a.nic.rs. hostmaster.nic.rs. 2026041019 3600 900 2419200 3600<br />
<br />
</span></span><span style="color: #c10300;" class="mycode_color"><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Arial Black';" class="mycode_font">;; Query time: 32412 msec</span></span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"><br />
;; SERVER: 195.178.32.2#53(b.nic.rs) (TCP)<br />
;; WHEN: Fri Apr 10 08:42:15 CEST 2026<br />
;; MSG SIZE  rcvd: 112</span></span></blockquote>
<br />
TCP nedostupnost svakako krši <a href="https://ednscomp.isc.org/ednscomp" target="_blank" rel="noopener" class="mycode_url">EDNS usklađenost</a> (videti i "<a href="https://www.dnsflagday.net/2020/" target="_blank" rel="noopener" class="mycode_url">DNS flag day</a>"). Takođe, <span style="font-weight: bold;" class="mycode_b">odisej.telekom.rs</span> se dodatno koristi kao NS za zonu <span style="font-weight: bold;" class="mycode_b">mup.gov.rs</span>, tako da bi u slučaju većih RRova tamo koji dovode do truncovanog UDP odgovora i preusmerenja na TCP upit pukao.]]></description>
			<content:encoded><![CDATA[Primetio sam da su DNS upiti <span style="font-weight: bold;" class="mycode_b">putem TCP</span> efektivno nedostupni na Telekomovom serveru <span style="font-weight: bold;" class="mycode_b">odisej.telekom.rs</span> (195.178.32.2), odnosno RNIDS TLD NS <span style="font-weight: bold;" class="mycode_b">b.nic.rs</span> koji je "u rotaciji" za rs. TLD. Ack na korisnički paket od servera stigne odmah, ali PUSH sa podacima, odnosno DNS odgovorom gotovo nikako. To upućuje na probleme sa samim DNS servisom poput punjenja queue, zaglavljeni syscall zbog nekog čekanja i slično.<br />
<br />
<div class="codeblock"><div class="title">Code:</div><div class="body" dir="ltr"><code>luka@luka3630:~&#36; for nic in &#36;(dig rs. NS +short); do echo "DNS: &#36;nic | qtype: SOA"; dig rs. SOA @&#36;nic +short +tcp; done
DNS: f.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: c.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: b.nic.rs. | qtype: SOA
;; communications error to 195.178.32.2#53: timed out
;; communications error to 195.178.32.2#53: timed out
;; communications error to 195.178.32.2#53: timed out
;; Connection to 2a00:e90:0:3::3#53(2a00:e90:0:3::3) for rs. failed: network unreachable.
;; no servers could be reached
DNS: h.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: a.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600
DNS: l.nic.rs. | qtype: SOA
a.nic.rs. hostmaster.nic.rs. 2026040843 3600 900 2419200 3600</code></div></div><br />
Kada se drastično poveća timeout, ipak na kraju i može da stigne odgovor, ali jako sporo, od 30 sekundi preko 50 sekundi do toga da čak ni 75s za timeout nije dovoljno.<br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font">luka@luka3630:~/.ssh&#36; sudo -u nobody dig rs. SOA @b.nic.rs +tcp +timeout=75<br />
<br />
; &lt;&lt;&gt;&gt; DiG 9.20.18-1~deb13u1-Debian &lt;&lt;&gt;&gt; rs. SOA @b.nic.rs +tcp +timeout=75<br />
;; global options: +cmd<br />
;; Got answer:<br />
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 43208<br />
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<br />
;; WARNING: recursion requested but not available<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 1232<br />
; COOKIE: 208905b4a1abf2950100000069d89af0c0daef4f6b3b3a15 (good)<br />
;; QUESTION SECTION:<br />
;rs.                IN    SOA<br />
<br />
;; ANSWER SECTION:<br />
rs.            3600    IN    SOA    a.nic.rs. hostmaster.nic.rs. 2026041019 3600 900 2419200 3600<br />
<br />
</span></span><span style="color: #c10300;" class="mycode_color"><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Arial Black';" class="mycode_font">;; Query time: 50444 msec</span></span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"><br />
;; SERVER: 195.178.32.2#53(b.nic.rs) (TCP)<br />
;; WHEN: Fri Apr 10 08:38:40 CEST 2026<br />
;; MSG SIZE  rcvd: 112<br />
<br />
luka@luka3630:~/.ssh&#36; sudo -u nobody dig rs. SOA @b.nic.rs +tcp +timeout=75<br />
<br />
; &lt;&lt;&gt;&gt; DiG 9.20.18-1~deb13u1-Debian &lt;&lt;&gt;&gt; rs. SOA @b.nic.rs +tcp +timeout=75<br />
;; global options: +cmd<br />
;; Got answer:<br />
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 29929<br />
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<br />
;; WARNING: recursion requested but not available<br />
<br />
;; OPT PSEUDOSECTION:<br />
; EDNS: version: 0, flags:; udp: 1232<br />
; COOKIE: 223a983be43a93650100000069d89bc7c0c5bb886e47568f (good)<br />
;; QUESTION SECTION:<br />
;rs.                IN    SOA<br />
<br />
;; ANSWER SECTION:<br />
rs.            3600    IN    SOA    a.nic.rs. hostmaster.nic.rs. 2026041019 3600 900 2419200 3600<br />
<br />
</span></span><span style="color: #c10300;" class="mycode_color"><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Arial Black';" class="mycode_font">;; Query time: 32412 msec</span></span></span><span style="font-size: small;" class="mycode_size"><span style="font-family: 'Courier New';" class="mycode_font"><br />
;; SERVER: 195.178.32.2#53(b.nic.rs) (TCP)<br />
;; WHEN: Fri Apr 10 08:42:15 CEST 2026<br />
;; MSG SIZE  rcvd: 112</span></span></blockquote>
<br />
TCP nedostupnost svakako krši <a href="https://ednscomp.isc.org/ednscomp" target="_blank" rel="noopener" class="mycode_url">EDNS usklađenost</a> (videti i "<a href="https://www.dnsflagday.net/2020/" target="_blank" rel="noopener" class="mycode_url">DNS flag day</a>"). Takođe, <span style="font-weight: bold;" class="mycode_b">odisej.telekom.rs</span> se dodatno koristi kao NS za zonu <span style="font-weight: bold;" class="mycode_b">mup.gov.rs</span>, tako da bi u slučaju većih RRova tamo koji dovode do truncovanog UDP odgovora i preusmerenja na TCP upit pukao.]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[IPS NBS sistem plaćanje putem instant naloga bio privremeno nedostupan]]></title>
			<link>https://bezbedanbalkan.net/thread-2336.html</link>
			<pubDate>Wed, 11 Mar 2026 13:47:59 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2336.html</guid>
			<description><![CDATA[Danas oko 10:20 i u trajanju od oko 2 sata nije bilo moguće obaviti IPS plaćanja.<br />
<br />
<a href="https://www.insajder.net/vesti/nbs-instant-placanja-privremeno-nedostupna-radi-se-na-resenju" target="_blank" rel="noopener" class="mycode_url">NBS: Instant plaćanja privremeno nedostupna, radi se na rešenju</a><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite>Narodna banka Srbije objavila je danas da zbog trenutnih tehničkih poteškoća u radu IPS NBS sistema plaćanje putem instant naloga privremeno nije dostupno.</blockquote>
<br />
<a href="https://insajder.net/vesti/instant-placanja-ponovo-dostupna-saopstila-narodna-banka" target="_blank" rel="noopener" class="mycode_url">Instant plaćanja ponovo dostupna, saopštila Narodna banka</a><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite>Kako su naveli, sistem se stabilizuje, a plaćanje putem instant naloga je ponovo dostupno.</blockquote>
]]></description>
			<content:encoded><![CDATA[Danas oko 10:20 i u trajanju od oko 2 sata nije bilo moguće obaviti IPS plaćanja.<br />
<br />
<a href="https://www.insajder.net/vesti/nbs-instant-placanja-privremeno-nedostupna-radi-se-na-resenju" target="_blank" rel="noopener" class="mycode_url">NBS: Instant plaćanja privremeno nedostupna, radi se na rešenju</a><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite>Narodna banka Srbije objavila je danas da zbog trenutnih tehničkih poteškoća u radu IPS NBS sistema plaćanje putem instant naloga privremeno nije dostupno.</blockquote>
<br />
<a href="https://insajder.net/vesti/instant-placanja-ponovo-dostupna-saopstila-narodna-banka" target="_blank" rel="noopener" class="mycode_url">Instant plaćanja ponovo dostupna, saopštila Narodna banka</a><br />
<br />
<blockquote class="mycode_quote"><cite>Quote:</cite>Kako su naveli, sistem se stabilizuje, a plaćanje putem instant naloga je ponovo dostupno.</blockquote>
]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[beovoz.rs - Bandwidth Quota Exceeded]]></title>
			<link>https://bezbedanbalkan.net/thread-2335.html</link>
			<pubDate>Tue, 10 Mar 2026 09:05:21 +0000</pubDate>
			<dc:creator><![CDATA[<a href="https://bezbedanbalkan.net/member.php?action=profile&uid=40">milos_rs</a>]]></dc:creator>
			<guid isPermaLink="false">https://bezbedanbalkan.net/thread-2335.html</guid>
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