tcpspy(8) on Linux
The text bcf9b11668b0, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
TCP/IP Connection Monitor
Flags it lists
-
-d -
-p