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Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
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Apple’s Private Relay can cause the system to ignore firewall rules
Apple’s Private Relay (Beta) feature calls home to Apple servers without respecting the firewall rules of the system, creating a leak that neither we, nor you, can stop without disabling the entire Private Relay feature.
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Bunny DNS – A scriptable DNS platform
bunny.net introduces Bunny DNS, a scriptable DNS platform designed to simplify complex routing challenges and enhance internet performance. Offering powerful features like real-time scripting, integrated CDN, and privacy-first design, Bunny DNS is now available for early preview.
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epoll: The API that powers the modern internet (2022)
Linux's epoll API solved the C10K problem, enabling fast and afforable Internet services.
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DNSFS – Store files in others' DNS resolver caches
A while ago I did a blog post about how long DNS resolvers hold results in cache for, using RIPE Atlas probes testing against their default resolvers (in a lot of cases, the DNS cache on their modem/router).
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Mastodon’s eternal September begins?
The fediverse is dealing with a huge wave of Twitter people bringing toxic ideas with them.
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Making IRC better
sourcehut is a network of useful open source tools for software project maintainers and collaborators, including git repos, bug tracking, continuous integration, and mailing lists.
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Hostnames
The idea is to come up with some kind of category, so that people have something to remember all the names by. Some categories: Geographical (countries, cities, parks, rivers, lakes, streets), entertainment (flintsones, simpsons, disney films, celebrities), companies (hotels, airports, local shops, restarants)…
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"BGP at home": getting a DIA circuit installed at home
The infrastructure underlying AS54316 -- the network supporting the services offered by the AP Foundation -- has historically been based out of a datacenter in NYC (NetActuate in Telehouse Chelsea). To add some resiliency, I thought it'd be interesting -- and a potentially fun challenge -- to leverage some spare real…
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Shortwave Trading: The West Chicago Tower Mystery
Since 2014 this blog has extensively covered the wireless networks built by high-frequency trading (HFT) firms or network providers to reduce latencies between the different exchanges around the wo…
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Building a Billion User Load Balancer [video]
Want to learn how Facebook scales their load balancing infrastructure to support more than 1.3 billion users? We will be revealing the technologies and methods we use to global route and balance Facebook's traffic. The Traffic team at Facebook has built several systems for managing and balancing our site traffic…
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Google Fiber Continues Awful ISP Tradition of Banning “Servers”
Update (10/16/2013): Google Fiber has made a change to their Acceptable Use Policy that clarifies that some non-commercial uses for running servers are permitted. We applaud Google for making this change, but note that there are still provisions to take issue with in the policy, such as the...
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Group Video Calls
Today's update lets you turn on your camera or share your screen during Voice Chats in groups – on all devices, including tablets and desktops. This brings voice chats to a whole new level, ready for online classes, business meetings and family gatherings.
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My multi-decade quest for rural broadband
No corporate parables or historical insights this week, just the odd and sometimes amusing tale of the author's multi-decade quest for internet connectivity.
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Ad blocking with Raspberry Pi and Pi-hole
Learn how to use your Raspberry Pi for ad-blocking with Pi-hole and enjoy a distraction-free browsing experience on the Web and other services. Just a simple installation away!
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Google has indexed thousands of publicly accessible HP printers
A quick, well crafted Google search returns “About 86,800 results” for publically accessible HP printers.
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Using USB-VGA dongles as SDR transmitter
Yesterday, during OsmoDevCon 2018, Steve Markgraf released osmo-fl2k, a new Osmocom member project which enables the use of FL2000 USB-VGA adapters as ultra-low-cost SDR transmitters. How does it wor
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Abusing Linux's firewall: the hack that allowed us to build Spectrum
Introducing Spectrum: a new Cloudflare feature that brings DDoS protection, load balancing, and content acceleration to any TCP-based protocol.Today we are releasing Spectrum.
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Researchers exploit HTTP/2, WPA3 protocols to stage ‘timeless timing’ attacks
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
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IPv6 Is Hard
Yesterday I read this toot (German) over on mastodon which starts with “IPv6 is hard.” No it’s not. It’s different. I ran across this multiple times: There is an A and an AAAA-record for a FQDN, but the web server is only reachable via IPv4. You can easily test this with curl $ curl -4 https://github.com -o /dev/null…
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Wikivoyage has disappeared from DuckDuckGo
Update (2021-10-31): DuckDuckGo now includes results for Wikivoyage again, as do Bing and Yahoo. I have been planning a long due vacation and I was doing some research into the places I wanted to visit. My goto travel guide is Wikivoyage: it’s well organised, text-heavy (instead of slideshow-heavy alternatives) and…
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Comparing HTTP/3 vs. HTTP/2 Performance
We announced support for HTTP/3, the successor to HTTP/2, during Cloudflare’s birthday week last year. Our goal is and has always been to help build a better Internet. Even though HTTP/3 is still in draft status, we've seen a lot of interest from our users.
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ssh whoami.filippo.io
I updated the whoami.filippo.io dataset! I explain how it works, and how I fetched the new data.
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Google's CardDAV server isn't standards compliant (2014)
For fruux , we’ve decided to implement syncing with Google Contacts some time ago, allowing people to do bi-directional sync between their fruux and Google Contacts address book.
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Consuming the Bluesky firehose for less than $2.50/mo
*without doing much with it (and maybe not for long at its current growth rate)
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Email could have been X.400 times better
X.400 promised recallable, scheduled, self-destructing email. Why simple SMTP won instead, and what we lost and gained when it did.