$ rsync -rzs -e "ssh -v" --update --progress local/ [email protected]:/path/to/remote
OpenSSH_7.6p1, OpenSSL 1.1.0h-fips  27 Mar 2018
...
debug1: Authentication succeeded (publickey).
Authenticated to 192.168.0.11 ([192.168.0.11]:22).
debug1: channel 0: new [client-session]
debug1: Requesting [email protected]
debug1: Entering interactive session.
debug1: pledge: network
debug1: client_input_global_request: rtype [email protected] want_reply 0
debug1: Sending environment.
debug1: Sending env LANG = en_US.UTF-8
debug1: Sending command: rsync --server -surze.iLsfxC