4 ms·

You also might want to consider changing your SSH Port http://danielmiessler.com/blog/security-and-obscurity-does-changing-your-ssh-port-lower-your-risk/ http:

• sireat 12y ago
  As the author of that post says it greatly reduces the login attempts. It has been my experience as well. An analogy with a house it would be like making a brick wall behind your front door and making a new door on the side of the house. Sure, it would not change significantly the time for a determined thief wanting your house specifically,. However moving the door would do wonders against some punk with a bunch of keys who runs around trying them on all neighborhood doors. You still have to make sure you have a good lock and door.