Solution: Delete Keys and reboot server... (This should really be on the wiki...)   Edit: root@Tower:~# ssh -v root@Tower OpenSSH_7.4p1, OpenSSL 1.0.2k  26 Jan 2017 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Connecting to tower [127.0.0.1] port 22. debug1: connect to address 127.0.0.1 port 22: Connection refused ssh: connect to host tower port 22: Connection refused   Basically I did a new install of 6.3.5 and for some reason I get:   ss