HenWen 2.1.2 Copyright 2002-2005 Nick Zitzmann. "Snort" is Copyright 1998-2005 Martin Roesch. HenWen is a network security package for Mac OS X that makes it easy to configure and run Snort, a free Network Intrusion Detection System (NIDS). HenWen's goal is to simplify setting up and maintaining software that will scan network traffic for undesirable traffic a firewall may not block. Everything