Linux based HIDS

[Milind Nanal <milindyn () rolta com>]

Hi,

I am looking for good , free , open source HIDS for Linux server. The tool
which detects :-

Attacks on Red Hat Linux OS. 
Analysis system log
Carry our file level audit (like tripwire) 

all in one product. 

Quick response is highly appreciated


Thanks in advance.

Milind

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