tcpbug(1) on Linux
The text 80f7bedd8d72, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink) shipped it.
TCP/IP connection bugging device
Flags it lists
-
-T -
-b -
-c -
-t -
-x