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#happyeyeballs

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asmw<p>Today, when looking into <a href="https://infosec.exchange/tags/ipv4" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv4</span></a>/#ipv6 issues, I learned about <a href="https://infosec.exchange/tags/happyeyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>happyeyeballs</span></a> (<a href="https://en.wikipedia.org/wiki/Happy_Eyeballs" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Happy_Ey</span><span class="invisible">eballs</span></a>).</p><p>Such a pretty name for such an annoying problem.</p>
T_X<p><span class="h-card" translate="no"><a href="https://social.netz.org/@mephisto" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>mephisto</span></a></span> ... :-(. so looks like they didn't implement <a href="https://chaos.social/tags/HappyEyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HappyEyeballs</span></a> / <a href="https://chaos.social/tags/RFC8305" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RFC8305</span></a> either?</p>
goetz 🚲<p><span class="h-card" translate="no"><a href="https://mastodon.social/@quux" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>quux</span></a></span><br>Thank you for the story! <br>My initial "<a href="https://chaos.social/tags/IPv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IPv6</span></a> is hard" was a bit sarcastic, because people don't take it seriously even today. And fail, when they add it as a second thought and don't have monitoring etc.<br>Because <a href="https://chaos.social/tags/HappyEyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HappyEyeballs</span></a> hide many issues.</p><p>To quote Jen Linkova "You do not really operate IPv6 until you turn IPv4 off" Ripe87</p>
postmodern<p>TIL "Happy Eyeballs" (aka RFC8305).<br><a href="https://datatracker.ietf.org/doc/html/rfc8305" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">datatracker.ietf.org/doc/html/</span><span class="invisible">rfc8305</span></a><br><a href="https://infosec.exchange/tags/happyeyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>happyeyeballs</span></a> <a href="https://infosec.exchange/tags/rfc8305" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rfc8305</span></a></p>
John Kristoff<p>Weekend Reads:</p><p>* DNSSEC measured <a href="https://www.potaroo.net/ispcol/2023-09/dnssec-queries.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">potaroo.net/ispcol/2023-09/dns</span><span class="invisible">sec-queries.html</span></a><br>* Flow distribution with ECMP <a href="https://dipsingh.github.io/Flow-Distribution-Across-ECMP/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">dipsingh.github.io/Flow-Distri</span><span class="invisible">bution-Across-ECMP/</span></a><br>* DNS resolver fuzzing <a href="https://publications.cispa.saarland/4033/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">publications.cispa.saarland/40</span><span class="invisible">33/</span></a><br>* Adaptive address family selection <a href="https://arxiv.org/abs/2309.05369" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2309.05369</span><span class="invisible"></span></a><br>* US DoD cybersecurity strategy <a href="https://media.defense.gov/2023/Sep/12/2003299076/-1/-1/1/2023_DOD_Cyber_Strategy_Summary.PDF" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">media.defense.gov/2023/Sep/12/</span><span class="invisible">2003299076/-1/-1/1/2023_DOD_Cyber_Strategy_Summary.PDF</span></a></p><p><a href="https://infosec.exchange/tags/DNSSEC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNSSEC</span></a> <a href="https://infosec.exchange/tags/ECMP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ECMP</span></a> <a href="https://infosec.exchange/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> <a href="https://infosec.exchange/tags/HappyEyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HappyEyeballs</span></a> <a href="https://infosec.exchange/tags/USDoD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>USDoD</span></a></p>
Alex @ Maths Play<p>Multiplication Fact Enlightment👀✨️🛼 </p><p>We were over the moon to discover the mathematical beauty of multiplication from a Mathologer video. </p><p>Learn how to create multiplicative designs like this and so much more:&nbsp; <a href="https://youtu.be/qhbuKbxJsk8" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/qhbuKbxJsk8</span><span class="invisible"></span></a> </p><p><a href="https://mathstodon.xyz/tags/MathsPlay" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MathsPlay</span></a> <a href="https://mathstodon.xyz/tags/HappyEyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HappyEyeballs</span></a> <a href="https://mathstodon.xyz/tags/VeryMaths" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>VeryMaths</span></a> <a href="https://mathstodon.xyz/tags/Pattern" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pattern</span></a> <a href="https://mathstodon.xyz/tags/TimesTable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TimesTable</span></a> <a href="https://mathstodon.xyz/tags/PlayItForward" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlayItForward</span></a> <a href="https://mathstodon.xyz/tags/Maths" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Maths</span></a> <a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MTBoS</span></a></p>
hannes<p>Some time ago, I debugged and fixed an interesting issue, related to fail behaviour of TCP connection establishment... read the writeup at <a href="https://semgrep.dev/blog/2023/http-request-failed-timeout-issue-in-ocaml" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">semgrep.dev/blog/2023/http-req</span><span class="invisible">uest-failed-timeout-issue-in-ocaml</span></a> (reminds me of an issue from a while ago where I had to dig through the entire stack <a href="https://hannes.robur.coop/Posts/BadRecordMac" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hannes.robur.coop/Posts/BadRec</span><span class="invisible">ordMac</span></a> )</p><p>TL;DR: sit down and rethink your failure possibilities (including drop and reset), or you've to deal with timeouts...</p><p><a href="https://mastodon.social/tags/MirageOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MirageOS</span></a> <a href="https://mastodon.social/tags/OCaml" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OCaml</span></a> <a href="https://mastodon.social/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> <a href="https://mastodon.social/tags/HappyEyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HappyEyeballs</span></a></p>
Schalk Neethling 🇺🇦<p><a href="https://social.themyceliumnetwork.community/tags/TIL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TIL</span></a> - <a href="https://social.themyceliumnetwork.community/tags/HappyEyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HappyEyeballs</span></a> - <a href="https://en.wikipedia.org/wiki/Happy_Eyeballs" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Happy_Ey</span><span class="invisible">eballs</span></a> - <a href="https://github.com/nodejs/node/issues/41625" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/nodejs/node/issues/</span><span class="invisible">41625</span></a></p>
👻 scary ipv6-only networks 👻<p><span class="h-card"><a href="https://mastodon.online/@thunderbird" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>thunderbird</span></a></span> does <a href="https://hachyderm.io/tags/thunderbird" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>thunderbird</span></a> support <a href="https://hachyderm.io/tags/happyeyeballs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>happyeyeballs</span></a> (i.e. <a href="https://hachyderm.io/tags/rfc8305" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rfc8305</span></a> / <a href="https://hachyderm.io/tags/rfc6555" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rfc6555</span></a> ) behaviour w/r/t <a href="https://hachyderm.io/tags/ipv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv6</span></a> connectivity?</p>
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