sshd(8) on macOS
The text 280f9ff333c9, as Mac OS X 10.1.3 shipped it.
OpenSSH SSH daemon
Flags it lists
-
-4 -
-6 -
-D -
-b -
-d -
-e -
-f -
-g -
-h -
-i -
-k -
-p -
-q -
-t -
-u