[Users] symmetric fw

[Klaus Darilion]

Just use mediaproxy+mediaproxy module or rtpproxy+nathelper module.

To detect if a client is behind symmetric NAT usually nat_uac_test(2) is 
sufficient (except when there are broken clients)

regards
klaus

Paul van Schagen wrote:
> Hi,
> 
>  
> 
> I am using STUN and that works well most of the time.  
> 
> I do have a problem with UA’s  who sit behind a symmetric firewall.
> 
> ( a Microsoft server with ISA 2004 to be exact ).  I understand this
> 
> is a well known problem. What practical solutions can I use in
> 
> combination with openser ?
> 
>  
> 
> Thanks for any help
> 
>  
> 
> Best regards
> 
> Paul van Schagen
> 
>  
> 
> 
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