Steps to securing a new Linux system |
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EXPERT RESPONSE FROM: Anton Chuvakin
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QUESTION POSED ON: 01 October 2004
What steps do I need to take to secure a new Linux system, and in what order?
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The most basic hardening procedure involves:
- removing the unnecessary applications and services
- patching
- deploying a host firewall
- increasing system logging
- then installing an integrity checking application (such as Tripwire)
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