tcpbug(1) on Linux
The text a0dc82f4edd8, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
TCP/IP connection bugging device
Flags it lists
-
-T -
-b -
-c -
-t -
-x