uh, so how will that help if you use a username/password og say... god/god and a root pass like... god? If you think that chip is the be all and end all of security please let me know who you work for so I never do business with them.
rather than convoluted scripting why not disable passwords, set up keys, and if you really feel the need change ports?
On DMZ boxes where a firewall cannot restrict port 22, we have used allowusers and only permit ssh key access. We've a couple of boxes where script kiddies scan for days using brute force ssh attacks against users that even if they existed could not login via ssh or login via password.
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