Icinga/Nagios plugin to query ALLNET ALL4500 sensors via HTTP/XML
check_allnet4500.pl -h|--help
check_allnet4500.pl --man
check_allnet4500.pl -V|--version
check_allnet4500.pl -H hostname|hostaddress [-p port] [--path path]
[-a agent] [-t timeout]
[-U user] [-P password]
[-l legend]
[-w warning] [-c critical]