PF

Stopping FTP Brute Force Attacks in FreeBSD and OpenBSD

This is a great little article that I came across talking about stopping FTP brute force attacks in OpenBSD or FreeBSD (both of my favorite OS’s). It assumes that your using PF as your firewall (which you should!). You can easily stop bruteforce attacks by limiting connections per IP using pf firewall under FreeBSD or
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