[Serusers] Proxy sending ACK on port 5060 instead of on contact port

[Zeus Ng]

Mahesh,



> There is the problem..
> As you pointed out zeus, the SJPhone application is sending 
> the correct 
> format in the request line of ACK, but the ALG is not 
> rewriting the address 
> and port correctly. It is missing the port part of the 
> request line. Hence 

A proper ALG should do both.

> I guess since there is no port in the ACK request line, the proxy is 
> sending the ACK to the default port 5060.(please correct me 
> if i am wrong 
> with the guess)

It's the case here.

> Coming to multiple 200 OK s with different contact ports, 
> Since the ACK 
> sent by host1 is not passing through fw2, the SJPhone 
> application on host2 
> is sending 200 OKs repeatedly, which in turn is causing the 
> ALG to send the 
> 200 OK with a different contact port for each of this 200 OK.

The ALG has to remember the state and reuse the port for repeated messages.
Without that, it broken.
 
> Regards
> Mahesh
> 
> 


Zeus