Snort

Snort (R) is an open source network intrusion prevention and
detection system utilizing a rule-driven language, which
combines the benefits of signature, protocol and anomaly
based inspection methods. Snort is the most widely deployed
intrusion detection and prevention technology worldwide
and has become the de facto standard for the industry.

The Snort homepage is located at:

	http://www.snort.org/

Snort download pages are located here:

	http://www.snort.org/dl/

Cryptographic signatures and checksums may be provided by 
the developers at the URL(s) above.  Wiretapped recommends
that users check these before use of the software/information.