[Serusers] NAT NAT..and a little more NAT

[Iqbal]

yup, the packets dont go through STUN, the client now acts, or is seen 
to SER as a non-natted client, but what Grag was saying is that STUN 
usually sends messages back, however all client sdont really use those 
messages correcvtly, hence do not correctly fix the client, which means 
even when u use stun ur client may not work properly...Greg did I 
semi-quote u right

Iqbal

hwang at ecs.csus.edu wrote:

> I'm a little confused.
> Correct me if I'm wrong.  If STUN is used, the UA find out what kind 
> of NAT it's behind by talking to the STUN server.  Then the UA modify 
> the address/port send to proxy server depend on the STUN query result.
> The proxy server doesn't need to know the existance of the STUN server.
> The STUN server's only purpose is for the UA to figure out it's 
> "location."
> So, the term "go through STUN" is confusing me.  The SIP packets 
> doens't go "through" STUN, then to proxy.  It should go directly to 
> the proxy.
> Please clear me out, thanks.
>
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