An Open Source Host-based Intrusion Detection System

OSSEC is a scalable, multi-platform, open source Host-based Intrusion Detection
System (HIDS). It has a powerful correlation and analysis engine, integrating
log analysis, file integrity checking, Windows registry monitoring, centralized
policy enforcement, rootkit detection, real-time alerting and active response.
It runs on most operating systems, including Linux, OpenBSD, FreeBSD, MacOS,
Solaris and Windows.

This package contains common files required for all packages.