[Serusers] Outbound Proxy

[Jiri Kuthan]

And the B2BUA would have to keep database of user passwords very
much the same way the registrar does. This data redundancy makes
me think that such a netowrk is actually quite suboptimal -- why
can't be the registrar in the same box as proxy/nat?

-jiri

At 04:24 PM 10/17/2003, Jan Janak wrote:
>Hello,
>
>no, it is not possible because you can't change To and From header
>fields in the message and also the gateway ser can't respond to digest
>challenge from the registrar because it doesn't know user's credentials.
>You will need a B2BUA for this kind of job.
>
>  Jan.
>
>On 17-10 14:43, dhiraj.2.bhuyan at bt.com wrote:
>> Hello All,
>> 
>> Can anyone tell me whether the following setup can be achieved with SER?
>> 
>> 
>> [UA] <-------> [Gateway/NAT/SER Proxy] <--------> [SER Registrar]
>> 
>> 
>> 1. The UA is behind a NAT gateway.
>> 2. Whenever the SER Proxy on the NAT Gateway receives a registration request from a UA ( tester at gateway )on the private network, it sends a registration request ( tester at ser-registrar ) to the "SER Registrar" on behalf of the UA. This means the SER Proxy should be able to translate a SIP URI on the public side ( tester at ser-registrar ) to one on the private side ( tester at gateway ) and forward it to the right machine.
>> 
>> 
>> Any feedback will be greatly appreciated.
>> 
>> Regards,
>> 
>> Dhiraj Bhuyan
>> Security Research Engineer
>> BTexact
>> 
>> Tel:   +44 1473 643932
>> Mob:   +44 7753231984
>> Email: dhiraj.2.bhuyan at bt.com 
>> 
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>
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--
Jiri Kuthan            http://iptel.org/~jiri/