Upnpry is an upnp port opener for linux. It intercepts upnp port opening requests to routers and opens the corresponding ports on the linux box.
A Netfilter firewall tool written in bash scripting, designed to be easy to use but yet flexible and powerful.
fwsnort translates SNORT rules into iptables rules on Linux systems and generates a corresponding iptables policy in iptables-save format. This ruleset allows network traffic that matches Snort signatures (i.e. attacks and other suspicious network behavior) to be logged and/or dropped by iptables directly without putting an interface into promiscuous mode or queuing packets from kernel to user space. Note that fwsnort can also build an iptables policy that combines the string match extension wit