Posted by Artis Schlossberg on Dec 10
For Linux, a good starting point is a hardening guide by NSA:http://people.redhat.com/sgrubb/files/hardening-rhel5.pdf
Although it covers RHEL specifically, many points apply to other
distributions too.
I'd then also look at checklist provided by SANS Institute:
http://www.sans.org/score/checklists/linuxchecklist.pdf
Guide to General Server Security from NIST is also worth mentioning:...