This is a thread I've decided to do just really to get a feel for all the ways people here lock down their *NIX machines. If you use any form of UNIX, and lock it down, reply with what steps you generally take, and share how they work.
I'll be replying as well to pop in with what I've done before, and what I do now. So anyway, you can reply with whatever style you'd like, just eb sure to list the following:
That's all for now, have a lot of fun.