ListenAddress for SSH on Ubuntu not working
ListenAddress for SSH on Ubuntu not working
You can manage this using iptables. Check the guide here: http://unix.stackexchange.com/questions/...ip-address. For your setup, port knocking is a good approach—your SSH port stays closed while only you know the sequence to unlock it. Search for a port knoking tool online; it should be straightforward to install and set up. This method works well on mobile devices too.