Server / Workstation Firewall
HardWall can be used to Protect just about any Linux 2.4.x or 2.6.x Enabled Machine.
Weather it is used on Workstation or a Gateway or with a Single or Multi Interface
traffic is always split up into atleast Two areas, Local Lan Traffic & Internet Traffic.
This Firewall Script is ideal for people that dont know but still want full functionality.
Gateway / Router Firewall
HardWall Firewall started off as a Single Script Gateway Firewall. Since then it has grown
to include many options and features that invlove Access Control Lists and even Data Quotas ..
There are many other features included, you can find them in the Main Configuration File ...
This is ideal for people that want to share there internet connection with hosts on a LAN.
Bridging / B-Router Firewall
This is HardWall's Recently Added Functionality... It allows you to build Transparent Bridging Firewalls
that can be used to fix up unseen Network Design Flaws, or even just as Added Security to your network.
It works by using EBTables http://ebtables.sf.net/ allong with NetFilter http://www.netfilter.org/ ...
This is ideal if you plan to Join Two networks with the same subnet, without needing to reconfigure clients.