$ ssh -o ProxyCommand="openssl s_client -quiet -connect 172.16.0.10:2222 -servername server1" dummyName1
$ ssh -o ProxyCommand="openssl s_client -quiet -connect 172.16.0.10:2222 -servername server2" dummyName2
$ ssh -o ProxyCommand="openssl s_client -quiet -connect 172.16.0.10:2222 -servername server3" dummyName3