sslh(1p) on Linux
The text 8485544527e9, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
Switch incoming connection between SSH and SSL/HTTPS servers
Flags it lists
-
--https -
--port -
--ssh -
--ssl -
--timeout -
--verbose -
-l -
-p -
-s -
-t -
-v