Monitoring UDP port

Hi,

Checking TCP is ok, but how do i check an openvpn UDP port?

 /usr/lib/centreon/plugins//centreon_protocol_udp.pl  --plugin=apps::protocols::udp::plugin --mode=connection  --hostname=192.168.0.1 --port=1111

CRITICAL: Connection failed on port 1111

thanks,

Mathias

🤔