Hey guys, I wasn't sure if I should post this here or in the "networking" thread, but I figured it might be useful for noobs like myself. I was pretty dumbfounded when it came to firewalls and security, so I did some Google-ing and reading and thought some of what I found might be worth sharing. Antivirus software is another issue and is discussed elsewhere. Personally, I do use an AV but it is because I'm often moving files between a Windows and Linux partition.
I found this site to be an excellent guide that was not too heavy in the lingo yet very encompassing. It's a bit long, but well worth the read.
Procedure I implemented included:
Login - password expires every 30 days, pc locks upon failed login
ClamAV - I still use Windows when a router or game or something is giving me trouble in Linux.
Firewall - denying everything (make exceptions as needed)
TrueCrypt - for encrypting partitions (Their website was also very informative with links included in the startup wizard
AIDE - intrusion detection
And last but not least there is this site if you're really paranoid. I'm really not as obsessed as it may seem after reading this. Just when I get into something it's headlong or not at all haha