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When I scan the interface ip address of a PIX (version 6.2.2.111) with Nessus, I'm shown a Security Issue Warning refering to non-random ip id values in the ip_id field in IP packets. Some research indicates that this can be used for:stealth os finge...
I'm using a vpn client to connect to a PIX. After I've established the VPN connection, I can reach most IP addresses via ping but there is one address that I can't reach. I can reach it when connected directly to the LAN and I can ping it from the PI...
My mistake, you're right, this is an information discovery technique not a vulnerability. I still have some questions though:Does the PIX use non-random ip id values?Should I be concerned about this?How does the PIX respond to this type of reconnaiss...
