[Serusers] STUN server

[Jiri Kuthan]

At 11:03 PM 4/7/2005, Lucas Aimaretto wrote:
>The only circumstances that I know where STUN does not help is when the
>UA is located behind a symmetric nat. In the othre 3 cases of nat, it
>should help you just fine. Or if the clients do not implement a good
>stun-client or the stun server does not implement the protocol
>correctly. But, let say that every body follows the standars ( JA!, ask
>cisco ) ... you should not have problems at all.

It is worse than that. The STUN taxonomy is brittle, there are NATs
which feature different behaviour than anticipated in RFC3489.

see http://ietfreport.isoc.org/ids/draft-jennings-behave-test-results-00.txt

-jiri