extremely geeky

Fixing Drupal core!

Drupal 4.7.4 has a bug in it regarding story previews. The teaser preferences allowed you to set the maximum length of a teaser, but the underlying code treated it as the minimum length of a teaser.

So, say you wanted a teaser that was 400 characters or less; what you would get was a teaser that was always 400 character or more. Ouch.

Everything you ever wanted to know about Essential ICMP traffic (but were afraid to ask rfc792)

Information on how to create a firewall using ipfw is hard to come by. I’ve found bits and pieces of useful information in various places. I’m working on creating a tutorial on how to configure ipfw for Mac OS X, but in the mean time, here’s some information on the extremely low-level internet packet, ICMP.