ssh-ping(1) on Linux
The text 697bf9cb9498, as Debian 10 (Buster) shipped it.
check if host is reachable using ssh_config
Flags it lists
-
-4 -
-6 -
-D -
-F -
-W -
-c -
-h -
-i -
-l -
-p -
-q -
-v