[Freeswitch-users] Zoiper goes crazy with registrations RPORT bug?

[Bipin Patel]

This is not a bug and works fine at my side using zoiper on a TLS profile


On February 28, 2019 8:27:41 AM Rajil Saraswat <rajil.s at gmail.com> wrote:
> Can somebody from Freeswitch dev team confirm if this is a legitimate bug?
>
> Thanks
>
> On Mon, Feb 25, 2019, 8:12 PM Rajil Saraswat <rajil.s at gmail.com> wrote:
> On 2/21/19 8:05 PM, Rajil Saraswat wrote:
>>   Hello,
>>
>> I have a Zoiper android client with Freeswitch server version
>> 1.8.4-5-749a6e108b~64bit. If i select RPORT option in Zoiper along
>> with TLS/TCP transport protocol, i get hundreds for registration
>> requests per minute. Zoiper customer support thinks that Freeswitch is
>> at fault here. The message i received from them is below. Is there any
>> fix for this?
>>
>> ------------
>>
>> The issue in your case is that the topmost Via header does not have
>> the mandatory received parameter.
>>
>> According to RFC 3581 (An Extension to the Session Initiation Protocol
>> (SIP) for Symmetric Response Routing) Section 4. Server Behavior:
>>
>> "When a server compliant to this specification (which can be a proxy
>> or UAS) receives a request, it examines the topmost Via header field
>> value. If this Via header field value contains an "rport" parameter
>> with no value, it MUST set the value of the parameter to the source
>> port of the request. This is analogous to the way in which a server
>> will insert the "received" parameter into the topmost Via header
>> field value. * In fact, the server MUST insert a "received" parameter*
>> containing the source IP address that the request came from, even if
>> it is identical to the value of the "sent-by" component. Note that
>> this processing takes place independent of the transport protocol."
>>
>> This is a server side issue and it is related most likely to the
>> version of FreeSWITCH that you are using.
>>
>> ----------
>>
>> Thanks
>>
> Anybody else using Zoiper and facing this issue or is it just me?
>
> Thanks
>
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