netstat-nat(1) on Linux
The text e47dcffcb2dc, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
Show the natted connections on a linux iptable firewall
Flags it lists
-
-D -
-L -
-S -
-h -
-n -
-o -
-p -
-r -
-v -
-x