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Passive Os Fingerprinting, version 2.0.x
p0f "Passive Os Fingerprinting"
P0f v2 is a versatile passive OS fingerprinting tool. P0f can identify the system on:

- machines that connect to your box (SYN mode),
- machines you connect to (SYN+ACK mode),
- machines you cannot connect to (RST+ mode),
- machines that talk through or near your box.

But checking the system is not all P0f can do, p0f will also check the following:

- masquerading and firewall presence (useful for policy enforcement),
- the distance to the remote system and its uptime,
- other guys' network hookup (DSL, OC3, avian carriers) and his ISP.


p0f is written by Michael Zalewski, is free and works on Windows and Linux Michael Zalewski's Official p0f homepage

Download p0f for Win32
 
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