Re: [Turnserver-users] Using Test Turn Client...

[Sebastien V. <se...@ji...>]

Hi Bill,

See inline.

Le 15/02/12 20:27, Bill Clark a écrit :
>
> Hello --
>
> We recently found this project to provide TCP Relay and we're in the 
> evaluation process.  Unfortunately I have not found documentation 
> describing proper use and setup of Test Turn Client.
>
> Q.  Can someone please point me to (or provide) instructions of 
> establishing a TCP relay between two clients which transmit data?
>

Here are the actors schema of how works TURN-TCP:

TURN-TCP client <--------> TURN server <-------> standard TCP server 
(HTTP, SSH, ...) or standard TCP client (telnet, ...)

In fact there are two ways to make a TCP relay:
- the TURN-TCP client establish the connection (connect);
- the TURN-TCP client receive the connection (listen).

If you have not did it, I suggest you to read the TURN-TCP specification 
(http://tools.ietf.org/html/rfc6062) to better understand all the concepts.

Let's consider the following situation:
- TURN server : 192.168.0.254
- TURN-TCP client: 192.168.0.1
- TCP server: 192.168.0.5 running an HTTP server on port 80
- domain: yourdomain.org
- user/password: test/1234

Basically to test the first way (connect) with the test_turn_client, you 
need to run:
./test_turn_client -t tcp -s 192.168.0.254 -p 192.168.0.5 -w 80 -r tcp 
-t test -g 1234 -d yourdomain.org

To test the second way (another standard client connect to TURN-TCP 
client), it is a bit more complicated you have to run a nestat -aptn on 
the TURN server, get the port allocated by the TURN-CLIENT and do a 
connection on that port from a standard TCP client (like telnet) IIRC in 
the 10 seconds after running the above test_turn_client command.

> We have the turn server running on standard ports 3478, basic 
> authentication (file test/1234) and configured to allow TURN-TCP 
> (turn_tcp = true).
>
> Another area of clarification that would help is determining values to 
> provide test_turn_client peer address and port.  What should these 
> values be for each test_turn_client instance?
>

The peer address and port is the address/port of the peer you want to 
contact (connect), typically in the above case it is the HTTP server.

Best regards,
--
Seb

> Thank you in advanced.
>
> Regards,
>
> Bill Clark
>
>
>
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