Just how long do DNS resolvers cache last?

Flexing the Windows RRAS BGP implementation At this point I am a bit of a BGP protocol implementation connoisseur thanks to

Better IX network quality monitoring This post is a textual version of a talk I gave at the first NetUK. You can watch the talk on YouTube that was recorded by the wonderful AV team below if that’s your preferred medium:

Reclaiming IPv4 Class E’s 240.0.0.0/4 A video recording of

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 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