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Diego Córdoba 🇦🇷Les aviso que quedan 2 días de la promoción de precios mínimos de Julio en todos los cursos de <a href="https://mstdn.io/tags/JuncoTIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuncoTIC</a> en <a href="https://mstdn.io/tags/Udemy" class="mention hashtag" rel="nofollow noopener" target="_blank">#Udemy</a>!Si quieren aprender algo de <a href="https://mstdn.io/tags/gnu" class="mention hashtag" rel="nofollow noopener" target="_blank">#gnu</a> <a href="https://mstdn.io/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://mstdn.io/tags/redes" class="mention hashtag" rel="nofollow noopener" target="_blank">#redes</a> <a href="https://mstdn.io/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://mstdn.io/tags/ssh" class="mention hashtag" rel="nofollow noopener" target="_blank">#ssh</a> <a href="https://mstdn.io/tags/wireshark" class="mention hashtag" rel="nofollow noopener" target="_blank">#wireshark</a> <a href="https://mstdn.io/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#python</a> <a href="https://mstdn.io/tags/flask" class="mention hashtag" rel="nofollow noopener" target="_blank">#flask</a> <a href="https://mstdn.io/tags/vim" class="mention hashtag" rel="nofollow noopener" target="_blank">#vim</a> <a href="https://mstdn.io/tags/lpic1" class="mention hashtag" rel="nofollow noopener" target="_blank">#lpic1</a> <a href="https://mstdn.io/tags/firealling" class="mention hashtag" rel="nofollow noopener" target="_blank">#firealling</a> <a href="https://mstdn.io/tags/iptables" class="mention hashtag" rel="nofollow noopener" target="_blank">#iptables</a>, esta es la oportunidad 🙂 Como siempre, los enlaces promocionales en nuestro sitio, los esperamos! 👇 <a href="https://juncotic.com/cursos/" rel="nofollow noopener" translate="no" target="_blank">https://juncotic.com/cursos/</a> (Cualquier duda me escriben 💬)

Peter N. M. HansteenYes, 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">https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html</a> 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">https://nostarch.com/book-of-pf-4th-edition</a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#openbsd</a> <a href="https://mastodon.social/tags/pf" class="mention hashtag" rel="nofollow noopener" target="_blank">#pf</a> <a href="https://mastodon.social/tags/packetfilter" class="mention hashtag" rel="nofollow noopener" target="_blank">#packetfilter</a> <a href="https://mastodon.social/tags/freebsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#freebsd</a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#networking</a> <a href="https://mastodon.social/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#security</a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://mastodon.social/tags/ipv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#ipv6</a> <a href="https://mastodon.social/tags/ipv4" class="mention hashtag" rel="nofollow noopener" target="_blank">#ipv4</a> <a href="https://mastodon.social/tags/bookofpf" class="mention hashtag" rel="nofollow noopener" target="_blank">#bookofpf</a>... 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"That said, watch this space for further announcements!

hubertfOn we go with pwn.college's orange belt journey "Intro to Cybersecurity" with the "Intercepting Communications" module now finished. Lessons learned include old (nc, tcpdump/tshark) and new (scapy) friends ending in a MITM proxy where this year's experience from Potsdam Cyber Games was very helpful. <a href="https://mastodon.social/tags/ctf" class="mention hashtag" rel="nofollow noopener" target="_blank">#ctf</a> <a href="https://mastodon.social/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#cybersecurity</a> <a href="https://mastodon.social/tags/nft" class="mention hashtag" rel="nofollow noopener" target="_blank">#nft</a> <a href="https://mastodon.social/tags/scapy" class="mention hashtag" rel="nofollow noopener" target="_blank">#scapy</a> <a href="https://mastodon.social/tags/mitm" class="mention hashtag" rel="nofollow noopener" target="_blank">#mitm</a> <a href="https://mastodon.social/tags/arppoisoning" class="mention hashtag" rel="nofollow noopener" target="_blank">#arppoisoning</a> <a href="https://mastodon.social/tags/tcp" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcp</a> <a href="https://mastodon.social/tags/udp" class="mention hashtag" rel="nofollow noopener" target="_blank">#udp</a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#networking</a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://mastodon.social/tags/pwncollege" class="mention hashtag" rel="nofollow noopener" target="_blank">#pwncollege</a> <a href="https://mastodon.social/tags/pwn" class="mention hashtag" rel="nofollow noopener" target="_blank">#pwn</a>.college

Diego Córdoba 🇦🇷1/3 Por cierto, sin ánimo de hacer spam, les cuento que tenemos todos los cursos de <a href="https://mstdn.io/tags/juncotic" class="mention hashtag" rel="nofollow noopener" target="_blank">#juncotic</a> en descuento por 5 días en <a href="https://mstdn.io/tags/Udmey" class="mention hashtag" rel="nofollow noopener" target="_blank">#Udmey</a> :-)Si les interesa <a href="https://mstdn.io/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://mstdn.io/tags/firewall" class="mention hashtag" rel="nofollow noopener" target="_blank">#firewall</a> <a href="https://mstdn.io/tags/iptables" class="mention hashtag" rel="nofollow noopener" target="_blank">#iptables</a> <a href="https://mstdn.io/tags/ssh" class="mention hashtag" rel="nofollow noopener" target="_blank">#ssh</a> <a href="https://mstdn.io/tags/redes" class="mention hashtag" rel="nofollow noopener" target="_blank">#redes</a> <a href="https://mstdn.io/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://mstdn.io/tags/comandos" class="mention hashtag" rel="nofollow noopener" target="_blank">#comandos</a> <a href="https://mstdn.io/tags/scripting" class="mention hashtag" rel="nofollow noopener" target="_blank">#scripting</a>, <a href="https://mstdn.io/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#python</a>, <a href="https://mstdn.io/tags/flask" class="mention hashtag" rel="nofollow noopener" target="_blank">#flask</a> y relacionados, tal vez les interese!Les dejo los enlaces, cualquier duda me escriben: 👇

Diego Córdoba 🇦🇷Nueva tarde de grabación para <a href="https://mstdn.io/tags/JuncoTIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuncoTIC</a>!! 🎙️ 📹 Media hora más de video, hoy todo práctico! ✨Esquema de red virtualizado, y configuración desde cero del firewall nftables, creando tablas, cadenas de input, output, forward, y reglas para varias cositas 😉 Hace mucho que no armaba tanto escenario para grabar, ahora a aprovecharlo para todas las prácticas que se puedan! En el curso no s vamos a cansar de ejecutar comandos 😃 🖥️ <a href="https://mstdn.io/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://mstdn.io/tags/curso" class="mention hashtag" rel="nofollow noopener" target="_blank">#curso</a> <a href="https://mstdn.io/tags/firewall" class="mention hashtag" rel="nofollow noopener" target="_blank">#firewall</a> <a href="https://mstdn.io/tags/iptables" class="mention hashtag" rel="nofollow noopener" target="_blank">#iptables</a> <a href="https://mstdn.io/tags/nft" class="mention hashtag" rel="nofollow noopener" target="_blank">#nft</a> <a href="https://mstdn.io/tags/nftables" class="mention hashtag" rel="nofollow noopener" target="_blank">#nftables</a> <a href="https://mstdn.io/tags/redes" class="mention hashtag" rel="nofollow noopener" target="_blank">#redes</a> <a href="https://mstdn.io/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a>

mkjDo I have anyone within my reach who would be willing to help me debug a DNAT issue on OPNsense?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.Boosts appreciated.<a href="https://social.mkj.earth/tags/OPNsense" class="mention hashtag" rel="nofollow noopener" target="_blank">#OPNsense</a> <a href="https://social.mkj.earth/tags/NAT" class="mention hashtag" rel="nofollow noopener" target="_blank">#NAT</a> <a href="https://social.mkj.earth/tags/DNAT" class="mention hashtag" rel="nofollow noopener" target="_blank">#DNAT</a> <a href="https://social.mkj.earth/tags/network" class="mention hashtag" rel="nofollow noopener" target="_blank">#network</a> <a href="https://social.mkj.earth/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#networking</a> <a href="https://social.mkj.earth/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a>

Peter N. M. Hansteendhcpd(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">https://www.undeadly.org/cgi?action=article;sid=20250613111800</a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#openbsd</a> <a href="https://mastodon.social/tags/dhcpd" class="mention hashtag" rel="nofollow noopener" target="_blank">#dhcpd</a> <a href="https://mastodon.social/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://mastodon.social/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#networking</a> <a href="https://mastodon.social/tags/udp" class="mention hashtag" rel="nofollow noopener" target="_blank">#udp</a> <a href="https://mastodon.social/tags/bpf" class="mention hashtag" rel="nofollow noopener" target="_blank">#bpf</a> <a href="https://mastodon.social/tags/development" class="mention hashtag" rel="nofollow noopener" target="_blank">#development</a> <a href="https://mastodon.social/tags/newfeature" class="mention hashtag" rel="nofollow noopener" target="_blank">#newfeature</a> <a href="https://mastodon.social/tags/testing" class="mention hashtag" rel="nofollow noopener" target="_blank">#testing</a> <a href="https://mastodon.social/tags/freesoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#freesoftware</a> <a href="https://mastodon.social/tags/libresoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#libresoftware</a>

Diego Córdoba 🇦🇷1/3 🔥 ¡Nueva promoción de precios mínimos por tiempo limitado!¿Querés aprender Linux, Redes, Python/Flask, shell scripting, Wireshark, SSH, iptables y más?Todos nuestros cursos a sólo USD 9.99 por 5 días!Acá los descuentos. Te esperamos!! 👇 👇 (Por otras formas de pago: info@juncotic.com)<a href="https://mstdn.io/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://mstdn.io/tags/Redes" class="mention hashtag" rel="nofollow noopener" target="_blank">#Redes</a> <a href="https://mstdn.io/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a> <a href="https://mstdn.io/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#Python</a> <a href="https://mstdn.io/tags/Flask" class="mention hashtag" rel="nofollow noopener" target="_blank">#Flask</a> <a href="https://mstdn.io/tags/shellscripting" class="mention hashtag" rel="nofollow noopener" target="_blank">#shellscripting</a> <a href="https://mstdn.io/tags/Wireshark" class="mention hashtag" rel="nofollow noopener" target="_blank">#Wireshark</a> <a href="https://mstdn.io/tags/SSH" class="mention hashtag" rel="nofollow noopener" target="_blank">#SSH</a> <a href="https://mstdn.io/tags/iptables" class="mention hashtag" rel="nofollow noopener" target="_blank">#iptables</a> <a href="https://mstdn.io/tags/firewall" class="mention hashtag" rel="nofollow noopener" target="_blank">#firewall</a> 🧵

Diego Córdoba 🇦🇷[Resumen semanal]Cerrando una semana bastante fría, de mucho trabajo, que arrancó con un lunes nublado y sin luz, que parece que pasó hace 3 meses.La semana que viene sale contenido nuevo en el blog de juncotic.com! Estamos cocinando posts sobre <a href="https://mstdn.io/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#Python</a> y <a href="https://mstdn.io/tags/pandas" class="mention hashtag" rel="nofollow noopener" target="_blank">#pandas</a>, <a href="https://mstdn.io/tags/redes" class="mention hashtag" rel="nofollow noopener" target="_blank">#redes</a> <a href="https://mstdn.io/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a> y <a href="https://mstdn.io/tags/firewalls" class="mention hashtag" rel="nofollow noopener" target="_blank">#firewalls</a> 😃 También seguiré grabando nuevas clases del <a href="https://mstdn.io/tags/curso" class="mention hashtag" rel="nofollow noopener" target="_blank">#curso</a> de <a href="https://mstdn.io/tags/NFTables" class="mention hashtag" rel="nofollow noopener" target="_blank">#NFTables</a>! Ya jugando con los comandos! 😄 Foto: pedaleada de hoy, descargando estrés! 🚴 (si usan strava me avisan y nos seguimos)

Diego Córdoba 🇦🇷Por cierto, si a alguien le interesa, tenemos todos los cursos a USD 9.99 por 2 días más en: <a href="https://juncotic.com/cursos" rel="nofollow noopener" translate="no" target="_blank">https://juncotic.com/cursos</a>Ahí siempre publicamos los enlaces con descuento para todos los cursos.Cualquier duda me comentan!<a href="https://mstdn.io/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#python</a> <a href="https://mstdn.io/tags/flask" class="mention hashtag" rel="nofollow noopener" target="_blank">#flask</a> <a href="https://mstdn.io/tags/wireshark" class="mention hashtag" rel="nofollow noopener" target="_blank">#wireshark</a> <a href="https://mstdn.io/tags/redes" class="mention hashtag" rel="nofollow noopener" target="_blank">#redes</a> <a href="https://mstdn.io/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://mstdn.io/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://mstdn.io/tags/terminal" class="mention hashtag" rel="nofollow noopener" target="_blank">#terminal</a> <a href="https://mstdn.io/tags/scripting" class="mention hashtag" rel="nofollow noopener" target="_blank">#scripting</a> <a href="https://mstdn.io/tags/bash" class="mention hashtag" rel="nofollow noopener" target="_blank">#bash</a> <a href="https://mstdn.io/tags/lpic1" class="mention hashtag" rel="nofollow noopener" target="_blank">#lpic1</a> <a href="https://mstdn.io/tags/vim" class="mention hashtag" rel="nofollow noopener" target="_blank">#vim</a> <a href="https://mstdn.io/tags/ssh" class="mention hashtag" rel="nofollow noopener" target="_blank">#ssh</a> <a href="https://mstdn.io/tags/iptables" class="mention hashtag" rel="nofollow noopener" target="_blank">#iptables</a>

RetrópolisMais um dia de passagem do garbage collector<a href="https://retropolis.com.br/2025/05/19/mais-um-dia-de-passagem-do-garbage-collector/" rel="nofollow noopener" target="_blank">https://retropolis.com.br/2025/05/19/mais-um-dia-de-passagem-do-garbage-collector/</a><a href="https://bitbang.social/tags/MundoRetro" class="mention hashtag" rel="nofollow noopener" target="_blank">#MundoRetro</a> #6502 <a href="https://bitbang.social/tags/BenEater" class="mention hashtag" rel="nofollow noopener" target="_blank">#BenEater</a> <a href="https://bitbang.social/tags/CP437" class="mention hashtag" rel="nofollow noopener" target="_blank">#CP437</a> <a href="https://bitbang.social/tags/DEC" class="mention hashtag" rel="nofollow noopener" target="_blank">#DEC</a> <a href="https://bitbang.social/tags/GarbageCollector" class="mention hashtag" rel="nofollow noopener" target="_blank">#GarbageCollector</a> <a href="https://bitbang.social/tags/IBMPC110" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBMPC110</a> <a href="https://bitbang.social/tags/Intel80386" class="mention hashtag" rel="nofollow noopener" target="_blank">#Intel80386</a> <a href="https://bitbang.social/tags/KenShirriff" class="mention hashtag" rel="nofollow noopener" target="_blank">#KenShirriff</a> <a href="https://bitbang.social/tags/LLaMa2" class="mention hashtag" rel="nofollow noopener" target="_blank">#LLaMa2</a> <a href="https://bitbang.social/tags/MicrosoftBASIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#MicrosoftBASIC</a> <a href="https://bitbang.social/tags/MSDOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#MSDOS</a> <a href="https://bitbang.social/tags/PDP11" class="mention hashtag" rel="nofollow noopener" target="_blank">#PDP11</a> <a href="https://bitbang.social/tags/RaymondChen" class="mention hashtag" rel="nofollow noopener" target="_blank">#RaymondChen</a> <a href="https://bitbang.social/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a> <a href="https://bitbang.social/tags/Venix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Venix</a>

TomAokiFor anyone who could be affected (using bridge on FreeBSD): <a href="https://lists.freebsd.org/archives/freebsd-current/2025-May/007640.html" rel="nofollow noopener" translate="no" target="_blank">https://lists.freebsd.org/archives/freebsd-current/2025-May/007640.html</a><a href="https://mastodon.bsd.cafe/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#FreeBSD</a> <a href="https://mastodon.bsd.cafe/tags/Bridge" class="mention hashtag" rel="nofollow noopener" target="_blank">#Bridge</a> <a href="https://mastodon.bsd.cafe/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a>

Some Bits: Nelson's LinkblogConsolePi: Turn a Raspberry Pi into a serial console with Internet access <a href="https://github.com/Pack3tL0ss/ConsolePi?tab=readme-ov-file" rel="nofollow noopener" translate="no" target="_blank">https://github.com/Pack3tL0ss/ConsolePi?tab=readme-ov-file</a> <a href="https://tech.lgbt/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#internet</a> <a href="https://tech.lgbt/tags/console" class="mention hashtag" rel="nofollow noopener" target="_blank">#console</a> <a href="https://tech.lgbt/tags/hacking" class="mention hashtag" rel="nofollow noopener" target="_blank">#hacking</a> <a href="https://tech.lgbt/tags/server" class="mention hashtag" rel="nofollow noopener" target="_blank">#server</a> <a href="https://tech.lgbt/tags/serial" class="mention hashtag" rel="nofollow noopener" target="_blank">#serial</a> <a href="https://tech.lgbt/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> #+

David BombalHow TCP really works: Top 3 things you need to know!YouTube video with the amazing Chris Greer: <a href="https://youtu.be/Auwn3RWapRE" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/Auwn3RWapRE</a><a href="https://infosec.exchange/tags/wireshark" class="mention hashtag" rel="nofollow noopener" target="_blank">#wireshark</a> <a href="https://infosec.exchange/tags/tcp" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcp</a> <a href="https://infosec.exchange/tags/ip" class="mention hashtag" rel="nofollow noopener" target="_blank">#ip</a> <a href="https://infosec.exchange/tags/udp" class="mention hashtag" rel="nofollow noopener" target="_blank">#udp</a> <a href="https://infosec.exchange/tags/quic" class="mention hashtag" rel="nofollow noopener" target="_blank">#quic</a> <a href="https://infosec.exchange/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://infosec.exchange/tags/network" class="mention hashtag" rel="nofollow noopener" target="_blank">#network</a> <a href="https://infosec.exchange/tags/ccna" class="mention hashtag" rel="nofollow noopener" target="_blank">#ccna</a> <a href="https://infosec.exchange/tags/ccnp" class="mention hashtag" rel="nofollow noopener" target="_blank">#ccnp</a> <a href="https://infosec.exchange/tags/ccie" class="mention hashtag" rel="nofollow noopener" target="_blank">#ccie</a> <a href="https://infosec.exchange/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#internet</a> <a href="https://infosec.exchange/tags/tls" class="mention hashtag" rel="nofollow noopener" target="_blank">#tls</a> <a href="https://infosec.exchange/tags/ssl" class="mention hashtag" rel="nofollow noopener" target="_blank">#ssl</a> <a href="https://infosec.exchange/tags/http" class="mention hashtag" rel="nofollow noopener" target="_blank">#http</a> <a href="https://infosec.exchange/tags/https" class="mention hashtag" rel="nofollow noopener" target="_blank">#https</a> <a href="https://infosec.exchange/tags/troubleshooting" class="mention hashtag" rel="nofollow noopener" target="_blank">#troubleshooting</a>

N-gated Hacker NewsWow, 🚀 <a href="https://mastodon.social/tags/revolutionary" class="mention hashtag" rel="nofollow noopener" target="_blank">#revolutionary</a> 🚀! Let's slap a glorified dial-up modem emulation on a fossilized relic and call it a day. Because who doesn't need a TCP/IP stack for the Commodore 64? 😂 Bravo, <a href="https://mastodon.social/tags/time" class="mention hashtag" rel="nofollow noopener" target="_blank">#time</a> traveler! <a href="http://oldvcr.blogspot.com/2025/04/lets-give-provenix-barely-adequate-pre.html" rel="nofollow noopener" translate="no" target="_blank">http://oldvcr.blogspot.com/2025/04/lets-give-provenix-barely-adequate-pre.html</a> <a href="https://mastodon.social/tags/dialup" class="mention hashtag" rel="nofollow noopener" target="_blank">#dialup</a> <a href="https://mastodon.social/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a> <a href="https://mastodon.social/tags/Commodore64" class="mention hashtag" rel="nofollow noopener" target="_blank">#Commodore64</a> <a href="https://mastodon.social/tags/traveler" class="mention hashtag" rel="nofollow noopener" target="_blank">#traveler</a> <a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#HackerNews</a> <a href="https://mastodon.social/tags/ngated" class="mention hashtag" rel="nofollow noopener" target="_blank">#ngated</a>

Hacker NewsLet's give PRO/VENIX a barely adequate, pre-C89 TCP/IP stack, featuring Slirp-CK<a href="http://oldvcr.blogspot.com/2025/04/lets-give-provenix-barely-adequate-pre.html" rel="nofollow noopener" translate="no" target="_blank">http://oldvcr.blogspot.com/2025/04/lets-give-provenix-barely-adequate-pre.html</a><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#HackerNews</a> <a href="https://mastodon.social/tags/PROVENIX" class="mention hashtag" rel="nofollow noopener" target="_blank">#PROVENIX</a> <a href="https://mastodon.social/tags/SlirpCK" class="mention hashtag" rel="nofollow noopener" target="_blank">#SlirpCK</a> <a href="https://mastodon.social/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a> <a href="https://mastodon.social/tags/stack" class="mention hashtag" rel="nofollow noopener" target="_blank">#stack</a> <a href="https://mastodon.social/tags/preC89" class="mention hashtag" rel="nofollow noopener" target="_blank">#preC89</a> <a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#HackerNews</a> <a href="https://mastodon.social/tags/tech" class="mention hashtag" rel="nofollow noopener" target="_blank">#tech</a>

zartomPostgreSQL Connection Refused: Troubleshooting Localhost Connection Issues Troubleshooting PostgreSQL Connection Refused errors can be frustrating! This guide explores common causes like misconfigured servers, network settings, and client applications. Learn how to swiftly resolve this issue. <a href="https://mastodon.social/tags/PostgreSQL" class="mention hashtag" rel="nofollow noopener" target="_blank">#PostgreSQL</a> <a href="https://mastodon.social/tags/ConnectionRefused" class="mention hashtag" rel="nofollow noopener" target="_blank">#ConnectionRefused</a> <a href="https://mastodon.social/tags/DatabaseError" class="mention hashtag" rel="nofollow noopener" target="_blank">#DatabaseError</a> <a href="https://mastodon.social/tags/Troubleshooting" class="mention hashtag" rel="nofollow noopener" target="_blank">#Troubleshooting</a> <a href="https://mastodon.social/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a> <a href="https://mastodon.social/tags/TechSupport" class="mention hashtag" rel="nofollow noopener" target="_blank">#TechSupport</a> <a href="https://tech-champion.com/database/db2luw/postgresql-connection-refused-troubleshooting-localhost-connection-issues/" rel="nofollow noopener" translate="no" target="_blank">https://tech-champion.com/database/db2luw/postgresql-connection-refused-troubleshooting-localhost-connection-issues/</a> ...

Neustradamus :xmpp: :linux:<a href="https://mastodon.social/tags/iproute2" class="mention hashtag" rel="nofollow noopener" target="_blank">#iproute2</a> 6.14.0 has been released (<a href="https://mastodon.social/tags/iproute" class="mention hashtag" rel="nofollow noopener" target="_blank">#iproute</a> / <a href="https://mastodon.social/tags/ifconfig" class="mention hashtag" rel="nofollow noopener" target="_blank">#ifconfig</a> / <a href="https://mastodon.social/tags/TCPIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#TCPIP</a>) <a href="https://wiki.linuxfoundation.org/networking/iproute2" rel="nofollow noopener" translate="no" target="_blank">https://wiki.linuxfoundation.org/networking/iproute2</a>

David BombalTCP/IP Model: Where are the devices and protocols? This is part of my FREE CCNA 200-301 Course (2025 edition)YouTube video: <a href="https://youtu.be/0vgUkk-WzcU" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/0vgUkk-WzcU</a><a href="https://infosec.exchange/tags/ccna" class="mention hashtag" rel="nofollow noopener" target="_blank">#ccna</a> <a href="https://infosec.exchange/tags/osi" class="mention hashtag" rel="nofollow noopener" target="_blank">#osi</a> <a href="https://infosec.exchange/tags/tcpip" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcpip</a> <a href="https://infosec.exchange/tags/tcp" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcp</a> <a href="https://infosec.exchange/tags/hub" class="mention hashtag" rel="nofollow noopener" target="_blank">#hub</a> <a href="https://infosec.exchange/tags/switch" class="mention hashtag" rel="nofollow noopener" target="_blank">#switch</a> <a href="https://infosec.exchange/tags/bridge" class="mention hashtag" rel="nofollow noopener" target="_blank">#bridge</a> <a href="https://infosec.exchange/tags/router" class="mention hashtag" rel="nofollow noopener" target="_blank">#router</a> <a href="https://infosec.exchange/tags/network" class="mention hashtag" rel="nofollow noopener" target="_blank">#network</a> <a href="https://infosec.exchange/tags/networking" class="mention hashtag" rel="nofollow noopener" target="_blank">#networking</a> <a href="https://infosec.exchange/tags/cisco" class="mention hashtag" rel="nofollow noopener" target="_blank">#cisco</a> <a href="https://infosec.exchange/tags/model" class="mention hashtag" rel="nofollow noopener" target="_blank">#model</a> <a href="https://infosec.exchange/tags/study" class="mention hashtag" rel="nofollow noopener" target="_blank">#study</a> <a href="https://infosec.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#cybersecurity</a> <a href="https://infosec.exchange/tags/infosec" class="mention hashtag" rel="nofollow noopener" target="_blank">#infosec</a>

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