Howtoforge posted a tutorial about installing MyDLP
This document can be used as a guide to installation of MyDLP Appliance. It also describes the basic usage. MyDLP is an easy, simple and open DLP (data loss prevention) solution, licensed under GPLv3. MyDLP 1.0 is released on 10 November 2010. MyDLP Appliance is a distribution based on Ubuntu Server. The distribution comes as a easy to deploy key solution. Protecting customer records, securing confidential files, data flow enforcements... they are all achievable within 30 minutes.How To Install And Use MyDLP