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Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 1,615 posts.
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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…
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Quick VPN Setup with AWS Lightsail and WireGuard
How to run your own VPN in the cloud for less than a penny per hour ( $0.007 / hr )
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Fun with Telnet (2024)
Some time ago I came across a cinematic experience ......... @@@@@ @@@@@ ........... ......... @ @ @ @ ........... ......... @@@ @ @ .......... ........ @@ @ @ ......... ........ @@@@@@@ @@@@@ th ....... ...... ----------------------- ...... ..... C E N T U R Y .... .... ----------------------- ... ... @@@@@ @@@@@ @ @…
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Solaris adopting OpenBSD's pf
Yet another proprietary tech titan turns to the free OpenBSD operating system as their source of innovation in the networking and security ...
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If You Can Read This, You're SNIing
When TLS was defined, it didn’t allow more than one hostname to be available on a single IP address / port pair, leading to “virtual hosting” issues; each Web site (for example) now requires a dedicated IP address.
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The Great $50M African IP Address Heist
A top executive at the nonprofit entity responsible for doling out chunks of Internet addresses to businesses and other organizations in Africa has resigned his post following accusations that he secretly operated several companies which sold tens of millions of dollars worth of the increasingly scarce resource to…
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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.
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No U PNP
Previously on Deep Space Nine, we discussed (read: I complained about) the short life and quick death of DLNA. On the way, I mentioned DLNA's dependence on UPnP as an underlying autoconfiguration protocol. Let's talk a bit more about UPnP, because it's 1) an interesting protocol, 2) widely misunderstood, and 3)…
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Building a PGP web of trust that people will actually use
Back in the early 1990s, PGP introduced the concept of web of trust (WoT)- a means by which users of personal encryption can know whether or...
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Reasons to not use your own domain for email
Reasons to not use your own domain for email on Eduardo Bautista's blog.
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XMODEM in 2022
Let's start at the beginning: it all started with me trying to boot a system which receives its initial ramdisk over XMODEM.
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"Doors" in Solaris: Lightweight RPC Using File Descriptors (1996)
A door is a "file" descriptor used to describe a procedure in a process and optionally some additional state associated with the procedure. Doors were initially designed as Spring object descriptors used to encapsulate the state and capabilities of C++ objects. A process which obtains a door is free to pass it, along…
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Whois: Fragile, Unparseable, Obsolete
A rather unstructured look at one of the older and infuriatingly trivial internet protocols: WHOIS
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ZeroMQ: Modern & Fast Networking Stack
Berkeley Sockets (BSD) are the de facto API for all network communication. With roots from the early 1980's, it is the original implementation of the TCP/IP suite, and arguably one of the most widely supported and critical components of any operating system today. BSD sockets that most of us are familiar with are…
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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…
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Using Freenet
I've been following the Freenet project for many years, occasionally firing it up and seeing if I can do anything useful with it. I've been using it regularly over the last month and it has come a long way since I first tried it. It's much faster than what it was in the past. This post describes a bit of...
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Why Isn’t Telegram End-to-End Encrypted by Default (2017)
telegra.ph/why-isnt-telegram-end-to-end-encrypted-by-default-08-142021127 points145 commentscited by 11 details
I've been getting this question more often this year. It's based on the wrong assumption that some other popular messaging apps such as WhatsApp are "end-to-end encrypted by default", while Telegram is not. This post is intended to disprove this myth that has been so carefully crafted by Facebook/WhatsApp marketing…
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International domain names: where does https://meßagefactory.ca lead you?
Originally, the domain part of a web address was all ASCII (so no accents, no emojis, no Chinese characters). This was extended a long time ago thanks to something called internationalized domain name (IDN). Today, in theory, you can use any Unicode character you like as part of a domain name, including emojis…
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Was the NE2000 really that bad?
Over the last few months I have been on and off digging into the history of early PC networking products, especially Ethernet-based ones. In that context, it is impossible to miss the classic NE2000 adapter with all its offshoots and clones. Especially in the Linux community, the NE2000 seems to have had rather bad…
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Network Latencies and Speed of Light
In this short post I’m going to attempt to convince you that current network (Internet) latencies are here to stay, because they are already within a fairly small factor of what is possible u…