André

Thank you for the fast Response. I've thought that I had "Trace UPNP Calls" set to true, but it was set to false. So I changed it to true on...

I've manually added the value to the config file and now i get some more information in the log. If I read the Log correctly there is a request from...

@bwssytems yes, thats rigth. Its the only IPv4 Adresse of the System, there are also couple of IPv6 Adresses assigned to the Networking Device.