[CentOS] Hardening

> Hi Guys,
>
> I would like advice for best practices to secure my linux boxes. Know if I
> have been hacked, know of security breaches, etc.
>
> Can anyone provide advice?

Check out Bastille Linux. It's not a distro, it's a system hardening tool,
and many things it does are referred to by the NIST guidelines.

I, personally, used a firewall/router that I build using it on RH 9, and
for around 10 years, never had an intrusion.

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