sshd(8) on macOS
The text edc98eeb754c, as macOS 10.13.1, macOS 10.13 shipped it.
OpenSSH SSH daemon
Flags it lists
-
-4 -
-6 -
-C -
-D -
-E -
-T -
-c -
-d -
-e -
-f -
-g -
-h -
-i -
-o -
-p -
-q -
-t -
-u