Sysadmin friendly high speed ethernet switching
Sysadmin friendly high speed ethernet switching
I’ve been on the lookout for a ethernet switch that I don’t hate, the problem with a lot of higher
Signed but not secure
Signed but not secure
At the start of the year a very interesting (and some would say inevitable) event happened involving internet routing security, the first case study of a large-scale victim o
Appreciation of automated IX Quarantine LAN testing
Appreciation of automated IX Quarantine LAN testing
Something that bgp.tools (my company) does a great deal is joining internet exchanges.
Where is all of the fediverse?
Where is all of the fediverse?
Spurred on by the problems at Twitter, a lot of my social media timeline has “moved out” of Twitter/“X” on to what people mostly describe as mastodon or
The browsers biggest TLS mistake
The browsers biggest TLS mistake
Much like a previous talk of mine at Chaos Computer Congress this blog post is a direct write-up of a talk, if you prefer to consume this kind
Grave flaws in BGP Error handling
Grave flaws in BGP Error handling
Border Gateway Protocol is the de facto protocol that directs routing decisions between different ISP networks, and is generally known as the “glue”
Driver adventures for a 1999 webcam
Driver adventures for a 1999 webcam
We generally know that when we buy a piece of technology that it will not last forever, connectors wear out and/or go out of fashion. But I think the most frust
Going multipath without Multipath TCP
Going multipath without Multipath TCP
Gigabit ethernet has been around for a long time, it’s so ubiquitous that there is a very strong chance that if you have a RJ-45 port on your compu
Who is Squatting IPv4 addresses?
Who is Squatting IPv4 addresses?
It’s an established fact on the internet that we have ran out of IP(v4) addresses, and we are st
Who is squatting IPv4 addresses?
Who is squatting IPv4 addresses?
It’s an established fact on the internet that we have ran out of IP(v4) addresses, and we are st
LTO Tape data storage for Linux nerds
LTO Tape data storage for Linux nerds
Tape storage is surprisingly not dead! If you are here then you may be considering using LTO tape as part of your backup or your lo
Ghost in the ethernet optic
Ghost in the ethernet optic
A few months ago I stumbled on a tweet pointing out a kind of [SFP optic](https://en.wikiped
One of these JPEGs is not like the other
One of these JPEGs is not like the other
“JPEG” or the image encoding specification by the “Joint Photographic Experts Group” (JPEG) is a truly universal format at this stage. You really cannot go very far on the internet without seeing a JPEG file
Imaging mounted disk volumes under duress
Imaging mounted disk volumes under duress
Backups are critical. If you are lucky and organised you have a set of useful backup primitives, such as Point in Time snapshots on your Infra
Hunting down the stuck BGP routes
Hunting down the stuck BGP routes
BGP is the glue between all of the thousands of border routers that make up the internet (you can find this post (battleships) and [this post (EvE)](https://blog.b
Splitting the ping
Splitting the ping
Ping is one of the fundamental pillars of networking. It’s simple, universally supported, and is normally one of the f
Hacking Ethernet out of Fibre Channel cards
Hacking Ethernet out of Fibre Channel cards
This story, like another in the past, started as an eBay purchase that I wo
Stressing the network when it’s already down
Stressing the network when it’s already down
[Impact by Eric Wienke, edits by Ben Cartwright-
How 1500 bytes became the MTU of the internet
How 1500 bytes became the MTU of the internet
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Writing userspace USB drivers for abandoned devices
Writing userspace USB drivers for abandoned devices
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