# 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 unexpected port is open