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File unusual-port

Script types:
Categories: safe
Download: http://nmap.org/svn/scripts/unusual-port.nse

User Summary

Compares the detected service on a port against the expected service for that port number (e.g. ssh on 22, http on 80) and reports deviations. The script requires that a version scan has been run in order to be able to discover what service is actually running on each port.

Example Usage

nmap --script unusual-port <ip>

Script Output

23/tcp open   ssh     OpenSSH 5.8p1 Debian 7ubuntu1 (protocol 2.0)
|_unusual-port: ssh unexpected on port tcp/23
25/tcp open   smtp    Postfix smtpd

Requires


Author: Patrik Karlsson

License: Same as Nmap--See http://nmap.org/book/man-legal.html

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