HenWen 2.1.2 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The unique identifier for this application's bundle is com.attbi.home.dreamless.
The program lies within Security Tools, more precisely Mac protection. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The most popular version among HenWen for Mac users is 2.1. HenWen212.dmg.gz is the default file name to indicate this program's installer. The actual developer of this free software for Mac is Geeknet, Inc.
From the developer:
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. The goal of this program is to simplify setting up and maintaining applications that scan the network for undesirable traffic.
You may want to check out more software for Mac, such as Ettercap, VirtualDiskUtility or DataGuard, which might be related to HenWen.