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10.4: Change the default sshd port
Authored by: Anonymous on Jul 20, '05 03:12:00AM

I agree, changing port numbers is not a security measure. However, it can be useful in a number of situations. For example: traffic on port 22 may be blocked or considered suspicious by ISPs or a workplace thus choosing a different port (such as 443) can be a great alternative.



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10.4: Change the default sshd port
Authored by: JLG on Nov 20, '08 02:37:21PM

Not to disagree for the sake of disagreeing, but changing the ssh port is definitely a security measure, for the reason Josh mentions. Those ssh bots hammer port 22 on any server running ssh on the default port, to the point that they can overwhelm DirectoryServices, creating a DOS attack. If the scans are successful in guessing a password, your system is hacked. By changing the ssh port, you remove the server's exposure to these bots--so yes, it is a security measure.



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