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Distribution: Slackware, Fedora Core, Red Hat Enterprise
Originally Posted by glebovitz
While all of these apps serve different purposes, SELinux has done the most for me. Labeling and kernel based policy enforcement does a great job of partitioning security. I got tired of running "jails" for each service.
I agree, and I dont consider SELinux an app. Its by far the most complex technology on the list which enhances the kernel to a higher security level. Check the "Orange Book"http://www.radium.ncsc.mil/tpep/libr...00.28-STD.html, SELinux (Mandatory Access Control level) makes Linux (if well configured) far more secure than any other Windows (Discretionary Access Control) or even UNix.
I must say IPCop is badly broken / sucks. Back orifice, trace route and many other things slip past. Port scans are never logged. I can not say enoff bad things about this firewall. Run firestarter or any other firewall behind IPCop to see just how bad it is.