Re: [stun] Re: Port preservation

Thanks for the concrete example of IKE.

On 4/23/04 1:03 PM, "Pyda Srisuresh" <[email protected]> wrote:

> Port preservation is desirable in some limited cases where applications and
> protocols require a certain number to be used for source and/or destination.
> ex: IKE-v1 assumes UDP port 500 on both src and dest.
> 
> cheers,
> suresh
> 
> --- Yutaka Takeda <[email protected]> wrote:
>> 
>> Does anyone know what the real motivation for NAT designers to
>> implement the port preservation[1] is? Is there an actual service
>> or application that depends on this behavior? I just realized that
>> I know such NATs exist but why...
>> 
>> [1]
>> http://www.ietf.org/internet-drafts/draft-jennings-midcom-stun-results-00.txt
>> 
>> Yutaka
>> 
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> 
> 
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