451
Guest WiFi using a QR code
On my home network I have guest WiFi configured and when guests come round they need to know the password. Happily there's a way to make thi...
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
452
How NAT Traversal Works (2020)
Learn how NAT traversal works, how Tailscale can get through and securely connect your devices directly to each other.
453
Research shows that nearly every U.S. cell provider is doing throttling
YouTube resolution down again? Through a collaboration with another Massachusetts university, this Northeastern team unveils exactly who’s responsible.
454
How SSH port became 22 (2017)
The SSH port is 22. This is the story of how it got that port number. And practical configuration instructions.
455
456
How I got over 300 Tor exit nodes removed
On Friday Oct 2, 09:35am, 333 infected exit nodes started a coordinated campaign to intercept SSH connections and gather as much unencrypted data as possible.
457
Measuring Input Latency on Linux: X11 vs. Wayland, VRR, and DXVK
I built a device to measure end-to-end input latency, then used it to find out what actually moves the needle.
458
Dear EU: Please Don't Ruin the Root
I love Europe, and I want to see the European Union succeed. I also love the Internet, and I want to see it thrive as well. And it therefore pains me that it now appears that the European Union might inadvertently be picking an ugly fight with “The Internet”. UPDATE: I am EXCEPTIONALLY happy to report that through…
459
Visual guide to SSH tunneling and port forwarding (2023)
Sysadmin doing syadmin stuff
460
461
How the “Kim” dump exposed North Korea's credential theft playbook
A rare and revealing breach attributed to a North Korean-affiliated actor, known only as “Kim” as named by the hackers who dumped the data, has delivered a new insight into Kimsuky (APT43) tactics, techniques, and infrastructure. This actor's operational profile showcases credential-focused intrusions targeting South…
462
Removing data transfer fees when moving off Google Cloud
Customers discontinuing their use of Google Cloud can move their data without incurring any network data transfer fees.
463
Setting up Starlink
In March, I got an email from SpaceX saying Starlink was available at my address, and I could pre-order. I paid $500 for the equipment, plus $25 for a Volcano Roof Mount, and $99 for the first month of service, and a few weeks later, I got the kit you see in the image above. I was a little too excited about getting…
464
My ISP Is Killing My Idle SSH Sessions
tl;dr: My ISP’s CGNAT session timeout is too short, meaning TCP keepalives gets dropped. Test if your own NAT, or your ISP’s CGN, violates RFC5382 ‘s REQ-5 using this tool: https://github.com/AndersTrier/NAT-TCP-test .
465
The FCC responds to my ATSC 3 encryption complaint – they want to hear from you
The FCC reached out to me and is asking all of you who signed the petition to also file a comment in their docketing system for the ATSC 3 petition. This is very easy to do and will just take a few minutes. So far there are only about a dozen or so complaints filed. … Continue reading The FCC Responds to my ATSC 3…
466
MacOS sometimes leaks traffic after system updates
We have found that you could be leaking traffic on macOS after system updates. To our current knowledge a reboot resolves it. We are currently investigating this and will follow up with more information.
467
Just disconnect the internet
So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of their Windows install base with a poorly tested content update. Rough day at the office, huh? There are lots of things you could say about this, lots of reasons it happens this way, lots of people to blame and not to…
468
Small mail server best current practices
(This post was originally written as a reply on the mailop mailing-list, but a friend asked me to turn it into a blog post. I’ve edited it, mostly adding more links to elsewhere, but there are some additions here.)
469
470
A cartoon intro to DNS over HTTPS
At Mozilla, we closely track threats to users' privacy and security. This is why we've added tracking protection to Firefox and created the Facebook container extension. In today's cartoon intro, ...
471
A closer look at a BGP anomaly in Venezuela
There has been speculation about the cause of a BGP anomaly observed in Venezuela on January 2. We take a look at BGP route leaks, and dive into what the data suggests caused the anomaly in question.
472
I fought my ISP's bad behavior and won
Just before black friday I was surfing some major retailers sites and on a whim wanted to see how they were using jav...
473
The Long, Slow Decline of BitTorrent (2017)
BitTorrent used to dominate not just piracy, but the internet. Now, it’s barely noticed in traffic studies. What happened to the platform?
474
Using eSIMs with devices that only have a physical SIM slot via a 9eSIM SIM car
Do you have a phone, tablet, or laptop (or, well, any device…) which will only take a physical SIM, but with which you’d like to use eSIMs?
475
Why ActivityPub is the future
We often tout things like “Mastodon is based on open web protocols” as one of its advantages. I want to elaborate why exactly that’s a good thing.
476
477
Stopping the Internet of Noise – A useful internet back again
The internet is getting noisy. Too noisy. Having grown up in the nineties, with 56k dial-up, I sometimes struggle to understand how little I'm accomplishing today with all the bandwidth I can leverage. There were some key factors that made the old internet so productive, by the way,
478
Exposing a web service with Cloudflare Tunnel
What if you could host a web service with no ports exposed? With Cloudflare Tunnel, you can!
479
Don't use Linksys routers
Back in 2012 I gave a talk at a conference titled Blended Threats and JavaScript . I demonstrated how anybody could design an internet worm that targeted common network devices like routers and turn them into a powerful botnet that is able to monitor traffic across all types of networks. For the pr
480
How Do Routers Work, Really?
An accessible overview of how exactly a router works, with code examples.