First of all, thank you all for the amazing work you are doing!
I’m planning to build a small tool to check the connectivity status between client machine and the VB servers, to check if 10000/udp port connections are blocked or not.
I know there is a way to check using netcat and other tools, but I think they required the VB to be stopped and run netcat server on port 10000/udp in the server side.
What I planning to do is to build a tool to communicate with the VB directly over port 10000.
I tried to communicate with JVB over port 10000/udp but there is no response from the server.
I opened Wireshark and capture the traffic from a real client and replay the first packet which JVB responded to it, which is a STUN packet, but it did not work, there is no response from the server either.
I also tried STUN client with JVB also did not work.
am I missing something? is there anything I can lookup in the source code or hints where to look? I need any data to be in the request that make JVB respond with anything even error is fine,
TL;TR: what payload I can send to VB over udp socket which make it respond?
Note: I’m sure port 10000/udp is fine in the testing JVB.