[Plugins-writers] Non standard port enumeration...

From: Martin O'Neal (martin.oneal@private)
Date: Thu Jun 24 2004 - 07:44:07 PDT

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    Hiya chaps,
    
    Is there a standard consensus to dealing with looking for UDP and TCP
    services on all listening ports (for the occasions when they are
    configured on non-standard ports)?
    
    The two problem scenarios I want to address are:
    
    - A server (TCP & UDP) that requires an explicit source port (random
    source elicits no response) which may not get picked up by the port
    scanning module.
    - A UDP server that needs a specific payload before it responds (wrong
    payload elicits no response).
    
    As a worst case I can simply enumerate all the ports, but if the target
    is silently dropping packets, then the script will take a small eternity
    to complete.
    
    Thoughts?
    
    Regards,
    Martin O'Neal
    
    
    
    
    
    
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