[OpenSER-Users] record_route() for responses

Klaus Darilion klaus.mailinglists at pernau.at
Mon Nov 19 11:38:28 CET 2007



Iñaki Baz Castillo schrieb:
> El Viernes, 16 de Noviembre de 2007, Juha Heinanen escribió:
> 
>> this particular problem is easy to avoid in sip ua by configuring it to
>> always use your sip proxy as its outbound proxy.
> 
> For example, Twinkle softphone has the option:
>   "[X] Send in-dialog request to proxy"
> 
> 
> 
>> defining an outbound 
>> proxy should imply that the ua refuses to talk with anybody else.
> 
> Sure of that? does this behaviour appear in any RFC and so?
> I agree with you, but sincerely I'm not sure if most vendors interpret the 
> same for the "outbound proxy" concept.
> 
> IMHO there should be some security options in any good SIP device:
> 
> - [X] "Allow incomings calls just from proxy"
> It could involves a DNS query for incoming calls since the IP can change, 
> humm... Anyway Linksys device have this option.
> 
> - [X] "Send in-dialog request to proxy"
> Even if there are not RR headers, in-dialog request should be sent to our 
> proxy.
> 
> - [X] "Use outbound proxy"
> This option could involve the second option ("Send in-dialog request to 
> proxy").

Yep. IMO this should be the default values.

regards
klaus




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