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Wireshark 4.6.0 Supports macOS Pktap Metadata (PID, Process Name, etc.)
Four years after my post on doing network captures on macOS with Process ID, Wireshark 4.6.0 has been released which includes support for parsing this…
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 223 posts.
182
Matrix Conference 2025 Highlights
The Matrix Conference 2025 was a huge success, and the energy and enthusiasm was just incredible!
183
The Connectivity Standards Alliance Announces Zigbee 4.0 and Suzi
DAVIS, California – November 18, 2025 – The Connectivity Standards Alliance (Alliance) announced today the release of Zigbee 4.0 and Suzi, the new brand for Zigbee’s Sub-GHz feature…
184
Nostr and ATProto (2024)
This post could’ve been titled “Nostr vs ATProto”, but that really isn’t what I wanted to do here. While I will be comparing and contrasting them a lot, and that’s kind of even the point of writing this, I didn’t want to really pit the two against each other at all, and especially not with the title. I also want to…
185
Calendars, Contacts and Files in Stalwart
We’re excited to announce the release of Stalwart v0.12, a significant milestone that evolves Stalwart from a powerful mail server into a complete, integrated communication and collaboration...
186
AirBorne: Wormable zero-click remote code execution (RCE) in AirPlay protocol
Oligo Security reveals AirBorne, a new set of vulnerabilities in Apple’s AirPlay protocol and SDK. Learn how zero-click RCEs, ACL bypasses, and wormable exploits could endanger Apple and IoT devices worldwide — and how to protect yourself.
187
A bit more on Twitter/X's new encrypted messaging
Update 6/10: Based on a short conversation with an engineering lead at X, some of the devices used at X are claimed to be using HSMs. See more further below. Matthew Garrett has a nice post about T…
188
Fun with Telnet (2024)
Some time ago I came across a cinematic experience ......... @@@@@ @@@@@ ........... ......... @ @ @ @ ........... ......... @@@ @ @ .......... ........ @@ @ @ ......... ........ @@@@@@@ @@@@@ th ....... ...... ----------------------- ...... ..... C E N T U R Y .... .... ----------------------- ... ... @@@@@ @@@@@ @ @…
189
Testing “Exotic” P2P VPN
My standard "everyday" solution when it comes to connecting computers into a single network is Wireguard. Wireguard is good, supports p2p, and generally has no downsides.
190
Chrome Returns 206 when the Server Returns 403
Chrome Returns 206 when the Server Returns 403 Postmortem It is a feature not a bug! I got detailed explanation from chrome developers which is very helpful. You may find the complete response in the bug ticket. Also this blog post draws a lot of attention after I post it on Hackers News. You may find comments here…
191
The input stack on Linux: An end-to-end architecture overview
Let's explore and deobfuscate the input stack on Linux. Our aim is to understand its components and what each does. Input handling can be divided into two parts, separated by a common layer. We’ll try to make sense of all this, one thing at a time, with a logical and coherent approach.
192
How Hyper built a 1M-accurate indoor GPS
To @AndrewHart: “Our app is shit and we know it’s shit”. My life changed forever when a senior exec from one of the world’s largest retailers messaged me on Twitter. This was back in 2017. My outdoor AR navigation demos had just gone viral, and my new open-source project for...
193
Passive Microwave Repeaters
One of the most significant single advancements in telecommunications technology was the development of microwave radio. Essentially an evolution of radar, the middle of the Second World War saw the first practical microwave telephone system. By the time Japan surrendered, AT&T had largely abandoned their plan to…
194
Don't pick weird subnets for embedded networks, use VRFs
Don't pick random subnets to avoid IP address conflicts on foreign networks, use VRFs!
195
IP over Lasers
Mike Kohn's music, software, and electronics projects.
196
Configuring Split Horizon DNS with Pi-Hole and Tailscale
Post describing how I've configured pihole to return different results to clients on my tailnet than those on the LAN.
197
Tailscale 4via6 – Connect Edge Deployments at Scale
In this post, we’re highlighting 4via6 subnet routing — a powerful way to extend Tailscale’s mesh across entire edge or customer networks. It’s ideal for scenarios where traditional VPNs struggle, like fleets of robots, sensors, or isolated cloud environments.
198
RFCs: Blueprints of the Internet
Think about it for a second: could the internet exist without standards and protocols? Of course not! Computers need shared rules and agreements to communicate with one another. Even human languages, like English, work much the same way. They function as a kind of communication protocol because we’ve all agreed on…
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Radicle 1.3.0
Sovereign code infrastructure.
201
Giving Up on Element and Matrix.org
The Matrix.org network has great potential, but after years of dealing with glitches, slow performance, poor UX, and one too many failures, I’m done with it.
202
Kea 3.0, our first LTS version
ISC is excited to announce the release of Kea 3.0.0! This is a major release, and is the first Long-Term Support (LTS) version of Kea.
203
Noise cancellation improves turn-taking for AI Voice Agents
Turn-Taking is a big challenge AI Voice Agents are rapidly evolving, powering critical use-cases such as customer support automation, virtual assistants, gaming, and remote collaboration platforms. For these voice-driven interactions to feel natural and practical, the underlying audio pipeline must be resilient to…
204
Residential Networking over Telephone
Recently, I covered some of the history of Ethernet's tenuous relationship with installed telephone cabling . That article focused on the earlier and more business-oriented products, but many of you probably know that there have been a number of efforts to install IP networking over installed telephone wiring in a…
205
A dive into open chat protocols
You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites . This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.
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Morse Code in Tubular Bells (2021)
A quick look at how the movie The Exorcist from 1973 has links to the late great Alan Turing via Mike Oldfield’s album Tubular Bells, Scotland and Amateur Radio. It’s Halloween so figured why not throw some horror in the mix.
208
The Begining of the End for ANT+ Wireless
First off, no, your ANT+ devices aren’t goin...
209
Internet usage pattern during power outage in Spain and Portugal
What patterns do we see in RUM data during the April 28th power outage in Portugal and Spain?
210
An argument for increasing TCP's initial congestion window (2024)
Introduction Google has a long history of performing networking research, making changes, and pushing those changes to the entire internet. In 2011, they published one of my favorite papers, which described their decision to increase the TCP initial congestion window from 1 to 10 on their entire infrastructure. This…