Utility to guess a remote hosts operating system?

[Jan Grant]

On Wed, 23 Jun 2004, Edd wrote:

> My question is:
>
> Does such a utility exist? I know nmap can guess os, but it takes a few
> seconds and a port scan is needed first. Is there just a simply util
> that can tell me without the port scan?

How would that operate? Some kind of network fingerprinting is required.
If you can narrow down the parameters of your question (eg: I have a
network of windows machines and I'd like to figure out exact versions on
each one) then you might have more luck.

-- 
jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/
Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/
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