SunScreen 3.1 Lite Installation Guide

Routing Mode

This Lite version of SunScreen 3.1 only operates in routing mode (where the Screen performs routing as well as firewall functions).

Typically, you operate the Screen in routing mode if you need a machine to act both as a router and a firewall. In this mode, you need at least two exposed IP interfaces, and a hop visible to traceroute and other network utilities.

Be aware of the following considerations when operating in routing mode: