99 stories tagged networking, newest first.
15 points by brndnbuilds | 4 comments
Landing page for Rouler, a free-beta Windows tool that routes traffic per app, IP or subnet across multiple network interfaces and VPNs.
3 points by QuantumNomad_ | 0 comments
Globus blog post recounting the history of GridFTP, a protocol for high-speed bulk file transfer used in scientific and grid computing.
120 points by zdw | 15 comments
The DNS Museum is a catalog of odd, inventive, and impractical uses of DNS, such as traceroute art, DNS tunnelling, and DNS-based tools and toys.
103 points by ibobev | 79 comments
Blog post from The Silicon Underground explaining the history of IBM's Token Ring networking technology and its competition with Ethernet in the 1980s and 1990s.
90 points by porridgeraisin | 49 comments
Blog post by Anurag Bhatia describing experiments with RFC8950, routing IPv4 prefixes over an IPv6 next-hop without tunnels, and its use cases for networks.
161 points by speckx | 63 comments
APNIC blog post by Geoff Huston on submarine cable resilience, opening with the Matsu Islands' cable cuts near Taiwan.
113 points by Ixander | 124 comments
Ask HN post gauging interest in buying routers with DD-WRT pre-installed, comparing existing options like OpenWrt One, GL.iNet Flint and pfSense boxes.
7 points by eraclide | 5 comments
Event page for SNTPings by Studenten Net Twente, a shared canvas drawn by sending IPv6 ping packets to celebrate the SURFnet Infinity launch.
12 points by joekarlsson | 7 comments
A personal blog post by Joe Karlsson reviewing his homelab two years on, detailing each upgrade and its cost.
6 points by kunggaochicken | 8 comments
GitHub repository for EventMaxxer, a tool that automatically applies to events on your behalf to help you network.
60 points by peter_hansteen | 13 comments
Christie's online auction lot listing for a framed printout of the first packet sent via the RFC 1149 avian carrier (carrier pigeon) Internet protocol, April 2001.
7 points by Brajeshwar | 1 comments
Tom's Hardware news article marking the anniversary of the 1980 Ethernet specification drafted by DEC, Intel, and Xerox.
13 points by mortenvp | 5 comments
NanoPing benchmark page showing live video streamed from a moving laptop over three Wi-Fi networks at once, with every packet arriving within 100 ms.
10 points by tenesripranav | 0 comments
A Lupyd blog post arguing that QUIC stream multiplexing beats traditional TCP connection pooling for Postgres over WAN, with benchmark numbers.
41 points by sschueller | 23 comments
Event page for Startup Nights, the annual two-day Swiss startup ecosystem meetup with keynotes, workshops, pitch competitions and networking.
271 points by ibobev | 87 comments
A personal blog post by Yash Garg about intercepting the PlayStation 5's RTMP broadcast stream as a roundabout way to do screen sharing.
209 points by yarapavan | 81 comments
Tailscale product blog post announcing work to make Tailscale faster, by Kabir Sikand and Kevin Purdy.
809 points by jcbhmr | 308 comments
Landing page for Cloudflare Quick Tunnels, a free service that exposes a local application to the Internet with a single command.
635 points by nderjung | 114 comments
GitHub repository for tailcat, a netcat-like tool that works over Tailscale's data plane without using Tailscale's control plane.
377 points by Error6571 | 107 comments
Tailscale blog post describing additional ways to run Tailscale on a jailbroken Kindle, covering proxy and TUN networking modes.
461 points by FigurativeVoid | 68 comments
A personal blog essay offering heuristics for asking strangers for help, centered on putting yourself in the other person's mind and showing proof of work.
358 points by barqawiz | 343 comments
APNIC blog post by George Michaelson discussing Google's measurements showing IPv6 usage among its users reaching 50% for the first time.
376 points by signa11 | 77 comments
A tutorial by Ivan Velichko on iximiuz Labs explaining SSH local and remote port forwarding, the sshd settings involved, and how to remember the flags.
1348 points by xiaoyu2006 | 488 comments
Blog post recounting how an AI agent trying to join the DN42 hobbyist network to scan it ran up a $6531.30 AWS bill for its operator.
575 points by calcifer | 340 comments
Jeff Geerling blog post reviewing new RTL8159-based 10 GbE USB 3.2 adapters that are smaller, cooler, and cheaper than Thunderbolt 10 GbE adapters.
757 points by Aaronmacaron | 542 comments
Google's IPv6 statistics page showing the percentage of users accessing Google over IPv6, with an adoption graph and per-country data.
734 points by yabones | 255 comments
Blog post explaining how to build a homebrew Linux router from a mini-PC or other computer, prompted by a US policy restricting imports of new consumer routers.
324 points by adamamyl | 165 comments
GitHub Gist bug report describing how a macOS 26.3.1 update breaks /etc/resolver/ supplemental DNS configuration for custom TLDs like .internal.
451 points by sz4kerto | 227 comments
Tailscale blog post announcing that its Peer Relays feature, for relaying traffic between devices when direct connections fail, is now generally available.
364 points by indigodaddy | 156 comments
Jeff Geerling blog post showing how rclone with parallel transfers synced video project files from a NAS about 4x faster than rsync.
618 points by giancarlostoro | 104 comments
Trey Harris's classic sysadmin story about a university department that couldn't send email farther than about 500 miles, and the debugging that explained why.
623 points by eieio | 331 comments
Blog post by Nolen Royalty investigating why an SSH session sends around 100 packets for a single keystroke, using tcpdump analysis.
446 points by linolevan | 153 comments
Cloudflare blog post examining the ordering of CNAME and A records in DNS responses and what the DNS standards say about it.
368 points by ChrisArchitect | 200 comments
Cloudflare Blog post by Bryton Herdes examining a BGP routing anomaly observed in Venezuela.
547 points by Brajeshwar | 1089 comments
The Register feature marking IPv6's 30th anniversary, reviewing its history since RFC 1883 and why it hasn't replaced IPv4 yet remains relevant.
436 points by flurdy | 377 comments
Ubiquiti blog post announcing the UniFi Travel Router, a pocket-sized device that extends a user's UniFi network configuration while traveling.
446 points by eieio | 160 comments
Marc Brooker's blog post arguing that Nagle's algorithm is outdated and TCP_NODELAY should be enabled to avoid latency issues in distributed systems.
471 points by tymscar | 161 comments
A blog post describing how the author set up a network-wide VPN proxy on NixOS and Docker to bypass Imgur's geo-block for UK users across their homelab.
457 points by billiob | 118 comments
Fabien Sanglard article explaining how Quake.exe, a DOS game from 1996, gained TCP/IP networking support amid the shift from DOS to Windows.
327 points by signa11 | 149 comments
A blog post by Moncef Abboud giving a deep dive into how TCP works, with detailed examples and a step-by-step walkthrough of its internals.
362 points by zachlatta | 61 comments
Interactive site by Lexi Mattick and Hack Club that traceroutes your connection to its server, showing hops, ASNs and networks, and explains how internet routing works.
338 points by seemaze | 100 comments
Tailscale blog post from its Fall Update Week announcing Peer Relays, a beta feature that lets customer-run nodes relay traffic when direct connections fail.
533 points by hhutw | 45 comments
A Zenodo poster record by Hrvoje Horvat presenting a diagram of the entire Linux network stack, from virtualization and sockets to TCP/UDP, GRO/RPS, scheduler and Netfilter.
328 points by Bender | 64 comments
Blog post by Max Inden on replacing Firefox's NSPR-based UDP I/O with a faster Rust implementation to support HTTP/3 and QUIC traffic.
444 points by guntars | 138 comments
Blog post describing building an HTTPS web server in Rust using io_uring and kernel TLS to avoid system calls on the request path.
361 points by alphabetting | 107 comments
Part 12 of Google's "How To Scale Your Model" book, a deep dive into how NVIDIA GPUs work and are networked, and what that means for LLMs compared to TPUs.
921 points by udev4096 | 211 comments
Landing page for Dumb Pipe, a tool for connecting two devices directly over the network via a simple peer-to-peer pipe.
377 points by Bogdanp | 167 comments
Homepage of The Promised LAN, a closed membership-only network of friends running a 24/7 always-on LAN party since 2021, describing its manifesto and backbone network.
431 points by truxs | 282 comments
Blog post explaining how TCP slow start makes web pages under about 14kB load noticeably faster than slightly larger pages.
325 points by goodburb | 130 comments
A blog post by Jordan Webb investigating, detective-style, why Android cannot use USB CDC Ethernet adapters despite supporting USB ethernet.
421 points by susam | 98 comments
Blog post by Susam Pal recounting a netcat loop on a Debian server that replied 'ok' and beeped his terminal whenever Hacker News readers connected.
600 points by louis-paul | 296 comments
Tailscale company blog post announcing its $160M Series C funding round and outlining its plans for what comes next.
322 points by adriangrigore | 81 comments
Tailscale blog post describing the effort to port the Tailscale client to the Plan 9 operating system.
443 points by jedeusus | 139 comments
Go Optimization Guide is a series of technical articles on patterns and techniques for writing high-performance Go applications.
601 points by alexflint | 142 comments
GitHub repository for httptap, an open-source tool that shows the HTTP and HTTPS requests made by any Linux program.
345 points by hhthrowaway1230 | 69 comments
Tailscale blog post from 2020 explaining how NAT traversal works for establishing direct peer-to-peer connections between devices.
337 points by Liriel | 171 comments
Blog post introducing the TJS (Journey to Synergy) collaboration model for building professional relationships, drawn from the author's career experience with gatekeeping.
372 points by todsacerdoti | 119 comments
A GitHub-hosted blog post by Francis Stokes about sending an Ethernet packet from a microcontroller as the start of building a TCP/IP stack from scratch.
490 points by scd31 | 103 comments
Blog post by delroth describing how spoofed-source mass port scans triggered abuse complaints to his hosting provider Hetzner, and investigating the attack.
707 points by MrVandemar | 119 comments
Free online book by Pavel Panchekha and Chris Harrelson explaining how to build a basic but complete web browser in a couple thousand lines of Python.
340 points by todsacerdoti | 49 comments
An illustrated guide explaining SSH tunneling and local, remote, and dynamic port forwarding, published on ittavern.com in 2023.
518 points by HelenePhisher | 185 comments
Objective Development blog post warning that macOS Sequoia 15 may send DNS queries unencrypted, bypassing configured DNS encryption.
593 points by Shank | 270 comments
ACM Digital Library page for a WWW '24 research paper finding that QUIC underperforms TCP-based HTTP/2 on high-bandwidth networks.
376 points by dp-hackernews | 92 comments
GitHub repository for OpenSnitch, a GPL-licensed interactive application firewall for GNU/Linux inspired by Little Snitch.
412 points by ingve | 257 comments
Tailscale blog essay by CEO Avery Pennarun titled "The New Internet," discussing his vision for how internet networking should evolve.
790 points by oumua_don17 | 377 comments
Robert Heaton's blog post describing PySkyWiFi, a hack that tunnels internet traffic through an airline airmiles profile field to get free in-flight wi-fi.
625 points by Hello9999901 | 155 comments
Documentation page from MUREX Robotics, a high school team, describing their open-source low-cost Ethernet networking switch board.
362 points by mfiguiere | 183 comments
Engineering at Meta blog post describing the software, hardware, and network considerations behind training large language models at scale in production.
744 points by todsacerdoti | 232 comments
Marc Brooker's blog post arguing that Nagle's algorithm causes latency issues in distributed systems and TCP_NODELAY should be enabled by default.
456 points by Lwrless | 128 comments
Fly.io blog post describing how they provision WireGuard peers just-in-time across their gateway infrastructure.
358 points by sysoleg | 140 comments
SSH Academy page from ssh.com explaining SSH ports and the story of how SSH was assigned port 22.
466 points by alden5 | 391 comments
PCMag news article on a SpaceX engineer's account of Starlink's 9,000 inter-satellite lasers carrying about 42 petabytes of data per day.
409 points by zdw | 161 comments
A rachelbythebay blog post describing how WPA3 Wi-Fi connections fail after about 11 hours and investigating the cause.
480 points by p1mrx | 256 comments
A Tell HN post noting that news.ycombinator.com now resolves to an IPv6 address alongside its IPv4 address, with DNS and ASN details.
420 points by finallyy | 54 comments
Homepage of dns.toys, a DNS server offering handy utilities and services such as time, weather, and conversions queryable from the command line via DNS.
319 points by indosauros | 103 comments
Tell HN post noting microsoft.com's DNS A records briefly included private addresses 192.168.1.0 and 192.168.1.1, with nslookup output.
337 points by monkburger | 81 comments
IETF Datatracker page for RFC 9330, the informational RFC describing the architecture of the Low Latency, Low Loss, and Scalable Throughput (L4S) Internet service.
544 points by archmaster | 121 comments
Interactive Hack Club project by Lexi Mattick that runs a live traceroute from your device to its server and explains how internet routing and BGP work.
365 points by pseudolus | 354 comments
IEEE Spectrum article on Ethernet's 50-year history and its status as the worldwide standard LAN technology, recognized as an IEEE Milestone.
386 points by romac | 107 comments
CodeCrafters course overview for a challenge to build a BitTorrent client that parses .torrent files, talks to trackers, and downloads from peers.
776 points by fanf2 | 231 comments
Tony Finch's blog post adapting his RIPE meeting lightning talk explaining how computers obtain the time, from NTP servers back to atomic clocks.
535 points by skilled | 398 comments
APNIC blog guest post by Robin Marx explaining why HTTP/3 and QUIC adoption is growing and how the protocol differs from earlier HTTP versions.
1726 points by jamesbvaughan | 643 comments
A blog post by James Vaughan exploring what he could do while connected to a Southwest flight's wifi network without paying for internet access.
1065 points by dvrp | 182 comments
Trey Harris's classic sysadmin story about a statistics department that could not send email farther than about 500 miles, traced to a sendmail misconfiguration and timeouts.
406 points by mfiguiere | 109 comments
Tailscale blog post announcing its VPN client for Apple TV, enabled by tvOS 17's new VPN support, and describing new use cases.
399 points by dreampeppers99 | 93 comments
GitHub repository explaining where Linux network sysctl variables fit into the kernel's network packet flow, aimed at performance tuning.
337 points by weeha | 75 comments
A blog post by Graham Helton offering a detailed guide to useful SSH features like port forwarding, aimed at red teamers navigating networks.
323 points by thunderbong | 133 comments
Narrowlink documentation page comparing its open source remote access tool with Tailscale's WireGuard-based mesh VPN in architecture, features and use cases.
482 points by monstermunch | 374 comments
A blog post detailing the author's elaborate 2023 home network and homelab setup, including rack hardware, servers, and networking gear.
500 points by RadixDLT | 167 comments
Cloudflare's web-based internet speed test measuring download, upload, latency, jitter, packet loss and a network quality score.