Iptables helper for your laptop
iptx (clean | show | <service> | port/proto) [<interface>] [open | close]
Examples:
iptx ftp # Open ftp port on ethernet interface
iptx ftp close # Close ftp port on ethernet interface
iptx http # Open http port on ethernet interface
iptx http wifi # Open http port on wireless interface
iptx http all close # Close http port on both interfaces
iptx 12345/tcp eth3 # Open 12345/tcp on eth3
iptx 12345/tcp eth3 close # Close 12345/tcp on eth3
iptx clean # Restore iptables defaults