[CentOS] Hardening

Stephen John Smoogen wrote:
> On Fri, May 1, 2009 at 10:19 AM, Jason Todd Slack-Moehrle
> <mailinglists at mailnewsrss.com> wrote:
>   
>> Hi All,
>>
>> What tips does everyone have on hardening a CenOS Server that is
>> running web, e-mail, ssh, ftp, mysql, coldfusion and will be
>> processing payments from www?
>>     
>
> NSA hardening guidelines would be a good start. 


extremely good start, 2 useful documents here specific to RHEL5

here -> 
http://www.nsa.gov/ia/guidance/security_configuration_guides/operating_systems.shtml#linux2