All tagged tech

Fail2ban for Sendmail AUTH

Mail server admins always notice when spammers try to use an AUTH command to try to relay spam through a mail server. But when they start hammering away with a much more sophisticated botnet, things start to get serious - especially for the paranoid.

Edge Case

Perspective is everything. Looking at anything, tech-related or not, from a different perspective can be eye opening. I give a few really weird scenarios I’ve tried, and some are extreme.