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Network Security Focus-Linux
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Re: Re: Linux hardening

Subject: Re: Re: Linux hardening
Date: 15 Sep 2005 19:40:42 -0000
All,
In addition to your wonderful suggestions, I would like to point out one more 
item that must be performed when hardening a Linux, or any other, system - and 
that is specifically hardening the TCP/IP stack. 
Although this step may sound unwanted or marginal, it can save you a lot of 
headaches sifting through useless looking NIDS signatures!!
Some good suggestions are provided at 
http://www.cromwell-intl.com/security/security-stack-hardening.html
 
http://www.securityfocus.com/infocus/1729

Another suggestion - and I do not wish to start a religious war on this one, 
given the varying and normally limited amounts of time admins usually have - is 
to use a honeypot, perhaps even a virtual one with VMs.

Just my 2pence
-CBC

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