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# check_nmap.sh
This script runs a nmap scan and checks the discovered ports against a whitelist
## Arguments
* --host | -h: Host that shall be scanned by nmap
* --portrange | -p: Ports that shall be scanned (nmap format)
* --known | -k: A port number that is expected to be open
* --input | -i: Use input file instead of a real nmap scan (for testing)
* --debug | -d: More debugging output, cannot be used with icinga2
* all arguments after -- are passed to nmap
## Results
* CRITICAL: if any expected port is open