Re: Discovering hosts behind NAT

From: Javier Fernandez-Sanguino Peņa (jfernandezat_private)
Date: Wed May 23 2001 - 00:28:42 PDT

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    > 
    > There are two known network devices: a cisco, which seems totally silent, and a wellfleet router.
    > 
    
    
    	Have you tried SNMP access? First try to check if the SNMP ports (udp) are open
    (nmap -sU) and then do a dictionary attack against the router. A common
    misconfiguration is to have SNMP open to the outside world and with well-known
    communities.
    	If so, you could probably get the information the router holds in its internal
    tables and (maybe) configure it to allow you access to the "hidden" network.
    
    	Javi
    



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