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Archive of posts tagged technology

dnsextd, TCP, and IPv6

Hello interested parties. dnsextd (in my git repository) now supports TCP. It was actually sort of an amusing bug. I guess the dnsextd code must date back to PowerPC, because it had an extra ntoh call which on little-endian systems would cause TCP requests to fail. It’s fixed in the “tcp” branch of my git [...]

Dynamic DNS: Part Two

This post is a follow-up to Dynamic DNS
When last I left you, we had basic updateable DNS running and could update it from OS X. I’ve been a bit busy since then, but thanks to some prodding from @Loredo, I got back in and started looking at. What follows is the exciting story of how [...]

iPad Reactions

So, yesterday was the big day. The Coming of The Tablet. I’m not exactly a big tech pundit. I’ve never seen an iPad in person. I haven’t even played with the emulator yet. But I thought I’d still post my immediate reactions.
The Name: It’s not that bad. It doesn’t trigger the same juvenile “feminine products” [...]

SpamAssassin 2010 Bug

Hey all. One of the sysadmins at Mudd, Claire Connelly, pointed out that there’s a widespread bug in SpamAssassin that might cause large numbers of false positives on mail sent after 2010-01-01. Apparently, the “date in future” rule is hardcoded to look for years after 2010. You can read more at LWN; the short of [...]

*nix Tip of the Day: Dynamic DNS

It’s nice to have DNS records for all of your computers. It’s a giant pain in the ass to remember IP addresses, especially if you’re on something like a cable connection, where the IP address is dynamic (but only changes every month or two). Now, you could go ahead and use DynDNS or No-IP or [...]