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I would have though hide it.

Posted by: Anonymous Coward on March 30, 2007 06:39 PM
Port knocking most effective way I know of.

If scanner does not see it cracker does not know there is a ssh service. So how can cracker attack it if its not there in there eyes.

nmap can be ordered to scan all ports and can attempt to id service by response. So hiding high is not that effective.

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