Nmap Development: IPsec fingerprinting Was: Re: Enhancement Request

[Mikael Olsson <mikael.olsson () enternet se>]

H D Moore wrote:
> Nmap 2.54BETA1 already has this capability built in with the IP protocol
> scanning option (-sO).  Does anyone know of a tool to query ESP/AHP
> protocols (gather version info/software vendor info/etc)?
As far as I know, you can't query anything via ESP/AH. They're
very simplistic and extremely picky about properly authenticated
messages:-)

The way to do an "IPsec fingerprint" is to poke around on port 
500/udp and get vendor info from there. (500/udp is IKE).

-- 
Mikael Olsson, EnterNet Sweden AB, Box 393, S-891 28 ÖRNSKÖLDSVIK
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