Tip: how to check UDP/10000 connectivity

On the server side

Install ngrep

apt-get install ngrep

and start to watch the UDP/10000 traffic

ngrep -q 'is accessable' udp port 10000

On the client side

Install netcat

apt-get install netcat

and send a message to the server through UDP/10000

echo 'yes, it is accessable' | nc -u your.server.com 10000

Result

If you can see the sent message on the server side, this means that there is no UDP/10000 connectivity problem between this client and the server.

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