Ready to Roll NIDS Sensor Based on OpenBSD 3.5 specifically for NIDS sensor. The system consists of: 1. OpenBSD 3.5 with minimal filesets (stripdown version with a customised kernel) 2. Snort 2.1.3 (with mysql support) 3. Barnyard 0.2.0 (with mysql support) 4. Stunnel http://www.mycert.org.my/sensor/