Re: All Ports filtered, no OS identify

[Martin Mačok <martin.macok () underground cz>]

On Tue, Jan 25, 2005 at 03:15:21AM -0800, dednj cjcb ekdj wrote:

> But how can I get any information (OS, Service Pack) out, if even do
> not get any answer from the machine? Is there any trick or do I have
> forgotten something?

Check if it does not respond at all or if it responds with some kind
of ICMP Destination Unreachable. Search the web for ICMP OS
fingerprinting if the latter happens (for example, TTL could reveal
some information).

Martin Mačok
ICT Security Consultant

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