TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.
iptables is the userspace command line program used to configure the Linux 2.4.x and later packet filtering ruleset. It is targeted towards system administrators.
IPtables extension to transmit UDP with fake TCP headers
Minimalistic iptables module, so I can use as a base for future throwaway tests.
Fast Perl interface to the Netfilter/iptables C-library libiptc