@Josan420
As long as there is no fix you can do the following:
Download this program and run it:
http://www.quantumg.net/portforward_bin.zip
If you want to use port 1934:
Click Redirection => Add
Type: Port: 1934 Destination: 127.0.0.1 1935
Configure RTMPExploreX to use port 1934