OSSEC HIDS is a self-contained system for Host-based intrusion detection. It performs log extraction, integrity checking and health monitoring. All this information is correlated and analyzed by a single engine, creating a very powerfull detection tool.
As an HIDS, agents need to be installed on every
server/system to be monitored. On each of these
systems, the OSSEC HIDS agent will collect every log generated (in real time), perform integrity checking and health monitoring.
These information will be encoded, encrypted and sent
to the OSSEC HIDS analysis server.
On the OSSEC HIDS analysis server, these events will
be compared against a set of "analysis rules", checked
using the "FTS" detection and using a statistical
analysis. The analysis server can also receive syslog
messages remotely (UDP 514) and analyze Snort, Barnyard and Apache logs (for better correlation).
These new version includes a lot of fixes, new features and much more detection rules.
To look at our log analysis rules:
http://www.ossec.net/hids/rules/
To download:
http://www.ossec.net/hids/files/ossec-hids-0.2.tar.gz
For more information:
http://www.ossec.net/hids/
Read this full article at ossec.net
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