[Nice] How to determine the type of NAT you are behind

Marcus Lundblad ml at update.uu.se
Mon Jul 30 23:53:38 PDT 2012

tis 2012-07-31 klockan 10:27 +0530 skrev Gurpreet Sachdeva:
> Hi Friends,
> Does any one here know a good way to determine the type of NAT my
> machine is behind? Is there a easy script or a way to find that out?

You can always use the "stun" utility from the stund package (it is
available in at least Debian and Ubuntu).
Then you can run this against some stun server on the open internet,
such as the one on ds0039.flosoft-servers.net (this is the one pointed
to by the stun SRV records for jabber.org).

Using the command:
stun -v ds0039.flosoft-servers.net

would print out the NAT type at the end of the command's output.


> Thanks,
> Gurpreet Singh
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