[Serusers] nathelper updated

Maxim Sobolev sobomax at portaone.com
Thu Sep 25 23:16:44 CEST 2003


Dovid wrote:
> Now I'm confused.
> Can't someone register with transport=tcp?
> If the Contact has a private IP address (or possibly more correctly anything
> other than the received address), don't we want to change it to the received
> address and save it that way?
> Doesn't fix_nated_contact do that?

The problem is that even if we do that you won't be able to contact to 
that ip:port. As far as I know this is a fundamental difference between 
TCP and UDP servers located behind a NAT.

-Maxim

> 
> Dovid
> 
> -----Original Message-----
> From: Maxim Sobolev [mailto:sobomax at portaone.com]
> Sent: Thursday, September 25, 2003 2:13 PM
> To: Dovid
> Cc: serusers at lists.iptel.org
> Subject: Re: [Serusers] nathelper updated
> 
> 
> Dovid wrote:
> 
> 
>>Thanks.
>>
>>
>>
>>>>- fix_nated_contact() now ignores non-UDP contacts.
>>
>>What about TCP?
> 
> 
> It will not work with TCP anyway, because TCP is connection-oriented.
> 
> -Maxim
> 
> 
>>
>>-----Original Message-----
>>From: serusers-bounces at iptel.org [mailto:serusers-bounces at lists.iptel.org]On
>>Behalf Of Maxim Sobolev
>>Sent: Thursday, September 25, 2003 12:33 PM
>>To: serusers at lists.iptel.org
>>Subject: [Serusers] nathelper updated
>>
>>
>>Folks,
>>
>>I've updated nathelper module in trunk. The following changes were made:
>>
>>- Applied patch from Bogdan-Andrei IANCU <iancu at fokus.fraunhofer.de>,
>>which allows to use nathelper without usrloc module if natpinger isn't
> 
> used;
> 
>>- fixed natpinger for clients without explicit transport specified in
>>the Contact header field, which means that transport is UDP;
>>
>>- fix_nated_contact() now ignores non-UDP contacts.
>>
>>Please let me know if you will see any unusual problems with the module.
>>
>>-Maxim
>>
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>>
> 
> 
> 
> 
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