Choose random UDP destination ports

[mbrueckner-psi]

State the feature:

Instead of manually choosing the UDP destination ports the receiver should find out which ones are free to use and inform the client (and at the end the server) about the ports.

Priority: Low

Is your feature request related to a problem. Please describe:

Choosing the UDP destination ports manually is error prone since the chosen ports could be in use already. This leads to more support requests.

Describe the solution you'd like:

After starting up the receiver it searches for free udp ports within a certain range. The client can ask for these ports and inform the detector servers.