best security practices on linux

iguimarfernandes
iguimarfernandes used Ask the Experts™
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Experts, I would like to know the best know securities practicies on linux to protect logs, data base, access to servers...
I can be a little generic, but I don´t know where to start.
I would love to have papers, videos, sites to search on network securities best practices : criptography, server logs, access to data base, and so on.
Thank you all
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Start with the Center for Internet Security benchmarks for hardening your Linux/Unix servers (Benchmarks available for many flavours):
https://benchmarks.cisecurity.org/downloads/multiform/

The free benchmark documents are very detailed on:
- What the vulnerability is
- How to check it
- How to remediate it

Members can also download scripts to automate most of the remediation
Top Expert 2015
Commented:
You can use hardening scripts like lynis to check for obvious omissions
In general - root is not used if possible
Each service runs as different unprivilegged user, and other services access it using well defined interfaces e.g. SQL, and not reading mysql datafiles etc

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Commented:
Thanks for your recommendations

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