response. It runs on most operating systems, including Linux, *BSD, Solaris, Windows and Mac.
We are pleased to announce the availability of OSSEC v1.1. This new version comes with numerous new features, including support for Microsoft IIS6, Cisco VPN concentrator, Cisco PIX VPN AAA, Cisco FWSM and OpenBSD/Solaris 10 "su" logs. We also added more granular e-mail alerting options, a new Windows agent installer and more advanced log analysis rules options.
Download it from here