Sammy says, 'Join the team and come in for the Big Win!'
Rice LUG Security Tips
May the flames of Linux consume your degenerate operating system

Obviously the inital step in cracking a system is gaining access. There are several things that can be done to reduce a system's external vulnerbility:
Further Links

LDP Security HOWTO

Red Hat Errata

SSH Communications Security


Getting Started with SSH

Rice Linux User Group

Created on 2 December 1998, last modified on 2 December 1998.
Contributions, constructive criticism, and commentary always welcome!
Thanks to Sam Carter and James Mitchell.