[c-nsp] Changing SSH Port on IOS

Phil Mayers p.mayers at imperial.ac.uk
Sun Mar 22 08:31:53 EDT 2009


On Sat, Mar 21, 2009 at 05:33:39PM +0000, Andy BIERLAIR wrote:
>I'm running s72033-ipservicesk9-mz.122-18.SXF15a with SSH on Port 22.
>
>Due too many bots hammering that well-known port, I wanted to change it to
>something else, but somehow I can't:

I don't think you can.

Investigate CoPP (Control-plane policing) which, unlike the VTY ACLs, 
will let you drop port 22 traffic in hardware, silently, before it hits 
the CPU (you can of course put in a trusted ACL)


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