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Official Description

This program allows you to remote control (KMTronic) a webserver via Ethernet port that is equipped with 2 relays mode UDP

It does not work as a relay, but as a switch.
It has no function sends pulse and changes state from on to off or from off to on.

Tested Local Network on address 192.168.1.199 and mysite.dyndns.org
myaddress.dyndns.org (sampler 192.168.1.199 port in/out 12345tcp)