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New
The latest blog posts to take off on Hacker News. 201 posts.
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Matrix at FOSDEM 2019
Matrix, the open protocol for secure decentralised communications
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HTTP/3: from root to tip
Explore HTTP/3 from root to tip and discover the backstory of this new HTTP syntax that works on top of the IETF QUIC transport.
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JMAP: Like IMAP but Not Really
With the new year upon us, I decided it was time to do something ambitious for my Open Source project. This is where I normally quip about never mentioning my project before, even though I literall…
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TLS Termination for Network Load Balancers
When you access a web site using the HTTPS protocol, a whole lot of interesting work (formally known as an SSL/TLS handshake) happens to create and maintain a secure communication channel. Your client (browser) and the web server work together to negotiate a mutually agreeable cipher, exchange keys, and set up a…
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Network protocols for anyone who knows a programming language
The network stack does several seemingly-impossible things. It does reliable transmission over our unreliable networks, usually without any detectable hiccups. It adapts smoothly to network congestion. It provides addressing to billions of active nodes. It routes packets around damaged network infrastructure…
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Mastodon 2.7: Highlights from the changelog
In this release: New profile directory, new tutorial, new public hashtag pages and more moderation tools
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5G: if you build it, we will fill it
What is 5G? Why do we care? How much faster does the pipe get? What can we do with a fatter pipe? How does this relate to VR? Cars? Broadband? What’s the killer app? Really, unless you work in a few very narrow niches, you shouldn’t spend much time thinking about it.
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Networking on AWS (2018)
Disclaimer: I’m not a network engineer and never have been - a tame network engineer has been consulted to ensure factual and terminological accuracy. The following is an in-exhaustive run down of everything I’ve learnt from building and using network infrastructure on Amazon Web Services. If you find you have no…
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The curious case of the Raspberry Pi in the network closet
Personal Blog of Christian Haschek
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Strength in Numbers: An Entire Ecosystem Relies on Tor
If the Tor Project, the Tor network, and Tor Browser were to disappear, what would happen? Not only would millions of global, daily users lose access to Tor’s software, but the diverse ecosystem of privacy, security, and anti-censorship applications that rely on the Tor network would cease to function.
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Is Your Cat 6 Cable a Dog? (2013)
Category 6 cables -- and to a lesser extent, Category 6a cables -- are widely available from a variety of vendors, including variety stores, office supply stores, consumer electronics stores, and online shops. While a great many people are content to run wireless networks in their homes, the fact is that if you need…
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Why Telegram is insecure (2015)
Telegram, the encrypted messaging app loved by terrorists, has been in the news lately. Terrorists have long used existing commercial and…
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Is there hope for IPv6?
Last year Georgia Tech’s Internet Governance Project teamed up with ICANN’s Office of the Chief Technology Officer to research the economic factors affecting the decisions of network operators to deploy Internet Protocol version 6 (IPv6). The study was commissioned because we both believe that the Internet community…
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Happy Birthday, XMPP: 20th Anniversary of Jabber
Explore and join the Movim network
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Apple knows 5G is about infrastructure, not mobile phones (2018)
5G is overkill for phones but that's okay because for carriers it is really about destroying broadcast and cable TV, ISPs, and telephone companies. One network to rule them all.