As far as one true checklists go, I really like NSA Guide to securing RHEL. http... | Hacker News

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adamsaleh on March 5, 2013 | parent | context | favorite | on: How I spend my first 5 minutes on a server

As far as one true checklists go, I really like NSA Guide to securing RHEL.

http://www.nsa.gov/ia/_files/os/redhat/NSA_RHEL_5_GUIDE_v4.2...

and TLDR version: http://www.nsa.gov/ia/_files/factsheets/rhel5-pamphlet-i731....

It is starting to get a little bit dated (RHEL 5 is quite old), but general rules still apply and usually they explain their reasoning.

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