Je nmap jasnovidec?

[Petr Tomasek]

Muzete me nekdo rict, jak to ta potfora (nmap) zjistil? Podle nejakych
cisel packetu? Nemate o tom nekdo neco (text, atd)?

PT>
-------------
Starting nmap V. 2.54BETA24 ( www.insecure.org/nmap/ )
Interesting ports on xxxxx (x.x.x.x):
(The 1 port scanned but not shown below is in state: closed)
Port       State       Service
80/tcp     open        http

Remote operating system guess: Linux kernel 2.2.13
Uptime 31.528 days (since Thu May  3 01:37:04 2001)
^^^^^^^^^^^^^^^^^^
Nmap run completed -- 1 IP address (1 host up) scanned in 2 seconds
--------------

--
Petr Tomasek, http://www.etf.cuni.cz/~tomasek/

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