Re: Linux Hardening

Date: 05/24/02

Date: Fri, 24 May 2002 12:22:44 -0400 (EDT)

On Thu, 23 May 2002, Koen wrote:

> > Anyone know where I can find step-by-step documentation
> > on Hardening RH Linux boxes? I usually just use Bastille
> > Linux to do the hardening but I'd also like a better
> > understanding to be able to also perform the task manually
... snipped ...
> What I do first after installation is an 'rpm -qa > rpmfiles' and check out
... snipped ...

All good tips. I would add:

After doing a CLEAN install, use a package like tripwire to
verify the integrity of your system. It will not protect you
from being hacked, but it will let you know if something has been

The open source version of tripwire is available at or

  - Paul Beltrani