The BACnet Firewall Router (BTR) is an application that combines BACnet routing capability with traffic management functions to carefully control access to building automation and control networks.
Forwards non-NTLM HTTP client requests to an NTLM proxy server (ie. Microsoft IAS). Can also forward a local port to a remote machine.
A simple port-relaying program written in Java; sits on specified ports for either TCP or UDP, re-sends packets to the given IP. Doesn't forward packets, actually receives and re-sends them. Could be handy to learn Java Sockets/networking. Public Domain.
Easiest way to turn a Linux System into a Nat router with a web interface for firewall configuration and monitoring. For beginers, offers a simple and secure solution. For advanced users, a customizable and friendly way of remote administration.
Running as a daemon it monitors /var/log/messages(configurable) for bastille iptables and PSAD scan alerts with a max threshold (configurable) It will block ip on iptables instantly and send abuse email out. Requires a few perl modules (tries to install)