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Peter N. M. Hansteen<p>Yes, The Book of PF, 4th Edition Is Coming Soon <a href="https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nxdomain.no/~peter/yes_the_boo</span><span class="invisible">k_of_pf_4th_ed_is_coming.html</span></a> </p><p>Long rumored and eagerly anticipated by some, the fourth edition of The Book of PF is now available for preorder <a href="https://nostarch.com/book-of-pf-4th-edition" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nostarch.com/book-of-pf-4th-ed</span><span class="invisible">ition</span></a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> <a href="https://mastodon.social/tags/pf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pf</span></a> <a href="https://mastodon.social/tags/packetfilter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>packetfilter</span></a> <a href="https://mastodon.social/tags/freebsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>freebsd</span></a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a> <a href="https://mastodon.social/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>security</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/ipv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv6</span></a> <a href="https://mastodon.social/tags/ipv4" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv4</span></a> <a href="https://mastodon.social/tags/bookofpf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bookofpf</span></a></p><p>... and of course somebody had to ask, "when can we expect a fifth edition", to which the answer was "let's get this one out the door first"</p><p>That said, watch this space for further announcements!</p>
mkj<p>Do I have anyone within my reach who would be willing to help me debug a DNAT issue on OPNsense?</p><p>I can sincerely say that it's *probably* trivial, and I am *probably* just missing something obvious; but it's not obvious when you're not quite sure what you're looking for. Reading the documentation, browsing the forum and searching the web has not led me to find a solution.</p><p>Boosts appreciated.</p><p><a href="https://social.mkj.earth/tags/OPNsense" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OPNsense</span></a> <a href="https://social.mkj.earth/tags/NAT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NAT</span></a> <a href="https://social.mkj.earth/tags/DNAT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNAT</span></a> <a href="https://social.mkj.earth/tags/network" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>network</span></a> <a href="https://social.mkj.earth/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a> <a href="https://social.mkj.earth/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TCPIP</span></a></p>
Some Bits: Nelson's Linkblog<p>QUIC in 2025: Examination of the new web application protocol on the Internet. Interesting comments on ossification. Also note QUIC is much less popular from China<br><a href="https://www.potaroo.net/ispcol/2025-06/quic.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">potaroo.net/ispcol/2025-06/qui</span><span class="invisible">c.html</span></a><br> <a href="https://tech.lgbt/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a> <a href="https://tech.lgbt/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internet</span></a> <a href="https://tech.lgbt/tags/protocol" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>protocol</span></a> <a href="https://tech.lgbt/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://tech.lgbt/tags/quic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quic</span></a> <a href="https://tech.lgbt/tags/web" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>web</span></a> #+</p>
Peter N. M. Hansteen<p>dhcpd(8): use UDP sockets instead of BPF <a href="https://www.undeadly.org/cgi?action=article;sid=20250613111800" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">undeadly.org/cgi?action=articl</span><span class="invisible">e;sid=20250613111800</span></a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> <a href="https://mastodon.social/tags/dhcpd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dhcpd</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a> <a href="https://mastodon.social/tags/udp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>udp</span></a> <a href="https://mastodon.social/tags/bpf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bpf</span></a> <a href="https://mastodon.social/tags/development" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>development</span></a> <a href="https://mastodon.social/tags/newfeature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>newfeature</span></a> <a href="https://mastodon.social/tags/testing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>testing</span></a> <a href="https://mastodon.social/tags/freesoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>freesoftware</span></a> <a href="https://mastodon.social/tags/libresoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>libresoftware</span></a></p>
TomAoki<p>For anyone who could be affected (using bridge on FreeBSD):<br> <a href="https://lists.freebsd.org/archives/freebsd-current/2025-May/007640.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">lists.freebsd.org/archives/fre</span><span class="invisible">ebsd-current/2025-May/007640.html</span></a></p><p><a href="https://mastodon.bsd.cafe/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FreeBSD</span></a> <a href="https://mastodon.bsd.cafe/tags/Bridge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bridge</span></a> <a href="https://mastodon.bsd.cafe/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TCPIP</span></a></p>
Some Bits: Nelson's Linkblog<p>ConsolePi: Turn a Raspberry Pi into a serial console with Internet access<br><a href="https://github.com/Pack3tL0ss/ConsolePi?tab=readme-ov-file" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/Pack3tL0ss/ConsoleP</span><span class="invisible">i?tab=readme-ov-file</span></a><br> <a href="https://tech.lgbt/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internet</span></a> <a href="https://tech.lgbt/tags/console" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>console</span></a> <a href="https://tech.lgbt/tags/hacking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hacking</span></a> <a href="https://tech.lgbt/tags/server" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>server</span></a> <a href="https://tech.lgbt/tags/serial" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>serial</span></a> <a href="https://tech.lgbt/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> #+</p>
Phanuel<p><span class="h-card" translate="no"><a href="https://fosstodon.org/@goldfishlaser" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>goldfishlaser</span></a></span> thanks! I am always on the lookout for any decentralizing technologies. </p><p>This <a href="https://mastodon.social/tags/meshtastic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>meshtastic</span></a> looks good, but I'm primarily interested in such platforms or networks which can handle <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> or <a href="https://mastodon.social/tags/ipfs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipfs</span></a> .</p>
Peter N. M. Hansteen<p><span class="h-card" translate="no"><a href="https://wetdry.world/@nonfedimemes" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>nonfedimemes</span></a></span> Seeing the mention of carrier pigeons has me think that sure, any step towards an independent, interoperable RFC1149 implementation would be welcome (see <a href="https://www.bsdly.net/~peter/rfc1149_ten_years_of_in-flight_internet.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bsdly.net/~peter/rfc1149_ten_y</span><span class="invisible">ears_of_in-flight_internet.html</span></a> for some relevant links), but that would perhaps run the risk of being somewhat distruptive in a school or at least classroom environment <a href="https://mastodon.social/tags/rfc1149" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rfc1149</span></a> <a href="https://mastodon.social/tags/pigeons" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pigeons</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/cpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cpip</span></a></p>
Joaquim Homrighausen<p>If you're not running your own DNS resolver, and/or not running PiHole, changing your DNS from 8.8.8.8 to 9.9.9.9 is a good first step 😉 </p><p><a href="https://mastodon.online/tags/dns" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dns</span></a> <a href="https://mastodon.online/tags/infrastructure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>infrastructure</span></a> <a href="https://mastodon.online/tags/devops" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>devops</span></a> <a href="https://mastodon.online/tags/quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quad9</span></a> <a href="https://mastodon.online/tags/google" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>google</span></a> <a href="https://mastodon.online/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.online/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internet</span></a> <a href="https://mastodon.online/tags/cybersec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cybersec</span></a> <a href="https://mastodon.online/tags/infosec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>infosec</span></a> <a href="https://mastodon.online/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cybersecurity</span></a> <a href="https://mastodon.online/tags/pihole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pihole</span></a></p>
Peter N. M. Hansteen<p>There was a "Network Management with the OpenBSD Packet Filter Toolset" tutorial session at <span class="h-card" translate="no"><a href="https://bsd.network/@EuroBSDCon" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>EuroBSDCon</span></a></span> 2024, here are the updated slides: <a href="https://nxdomain.no/~peter/pf_fullday.pdf" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nxdomain.no/~peter/pf_fullday.</span><span class="invisible">pdf</span></a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> <a href="https://mastodon.social/tags/pf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pf</span></a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a> <a href="https://mastodon.social/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>security</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/ipv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv6</span></a> <a href="https://mastodon.social/tags/ipv4" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv4</span></a> <a href="https://mastodon.social/tags/ssh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ssh</span></a> <a href="https://mastodon.social/tags/spam" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spam</span></a> <a href="https://mastodon.social/tags/packetfilter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>packetfilter</span></a> <a href="https://mastodon.social/tags/eurobsdcon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>eurobsdcon</span></a></p>
Peter N. M. Hansteen<p>Friends, I have a problem with the ISP that operates the fiber line to our house. </p><p>Pretty much every time they need to reconfigure their CGNAT they for some reason kill IPv6 and our autoconfig'd gear end up with "Unique Local" (fc/7) addresses. </p><p>Is this a common problem, seen elsewhere? </p><p>I suspect Cisco gear but have no way to check. </p><p><a href="https://mastodon.social/tags/ipv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ipv6</span></a> <a href="https://mastodon.social/tags/ula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ula</span></a> <a href="https://mastodon.social/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internet</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/cgnat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cgnat</span></a></p>
Peter N. M. Hansteen<p>Enable local-to-anchors tables in PF rules <a href="https://www.undeadly.org/cgi?action=article;sid=20240714154257" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">undeadly.org/cgi?action=articl</span><span class="invisible">e;sid=20240714154257</span></a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> <a href="https://mastodon.social/tags/pf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pf</span></a> <a href="https://mastodon.social/tags/packetfilter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>packetfilter</span></a> <a href="https://mastodon.social/tags/anchors" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>anchors</span></a> <a href="https://mastodon.social/tags/tables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tables</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/filtering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>filtering</span></a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a></p>
Interpeer Project<p>Interpeer Architecture Part 1: The Internet/Web Stack</p><p><a href="https://makertube.net/videos/watch/1662e120-b86a-4040-a230-dc6ad5f658ce" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">makertube.net/videos/watch/166</span><span class="invisible">2e120-b86a-4040-a230-dc6ad5f658ce</span></a></p>
Tom Lyon ✅<p>OTD 1974: TCP/IP is born! 50 years! <br><a href="https://ieeexplore.ieee.org/document/1092259" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ieeexplore.ieee.org/document/1</span><span class="invisible">092259</span></a> <a href="https://mastodon.social/tags/TcpIp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TcpIp</span></a></p>
Peter N. M. Hansteen<p>pfctl(8) and systat(8) to display fragment reassembly statistics <a href="https://www.undeadly.org/cgi?action=article;sid=20240423052538" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">undeadly.org/cgi?action=articl</span><span class="invisible">e;sid=20240423052538</span></a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>networking</span></a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tcpip</span></a> <a href="https://mastodon.social/tags/fragments" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fragments</span></a> <a href="https://mastodon.social/tags/reassembly" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>reassembly</span></a> <a href="https://mastodon.social/tags/pfctl" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pfctl</span></a> <a href="https://mastodon.social/tags/systat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>systat</span></a></p>