[Users] Weird forwarding with Route header

[Daniel-Constantin Mierla]

Hello,

is the IP/domain from R-URI (BYE sip:12345678 at xx.xx.xx.xx SIP/2.0) a 
local one for OpenSER? If so, then the rr module interprets that is a 
strict routing and routes accordingly.

Cheers,
Daniel


On 08/24/06 17:20, Jeremie Le Hen wrote:
> Hi list,
>
> my proxy (yy.yy.yy.yy) receives a message like this:
>
> BYE sip:12345678 at xx.xx.xx.xx SIP/2.0
> Record-Route: <sip:xx.xx.xx.xx;ftag=875188d2;lr=on>
> Via: SIP/2.0/UDP xx.xx.xx.xx;branch=z9hG4bK07cb.466d8587.0
> Via: SIP/2.0/UDP ww.ww.ww.ww:5060;branch=z9hG4bK875196bf
> Route: <sip:xx.xx.xx.xx;ftag=1056999653;lr=on>
>
> My ruleset is something like this (with the REGISTER logic pulled out) :
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> route {
>         if (!mf_process_maxfwd_header("10")) {
>                 sl_send_reply("483","Too Many Hops");
>                 exit;
>         };
>         if (msg:len >=  2048 ) {
>                 sl_send_reply("513", "Message too big");
>                 exit;
>         };
>
>         force_rport();
>         if (!method == "REGISTER") {
>                 record_route();
>         };
>         if (loose_route()) {
>                 route(1);
>         };
> 	loopkup("location");
> 	route(1);
> }
> 	
>
> route[1] {
>         if (!t_relay()) {
>                 sl_reply_error();
>         };
>         exit;
> }
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
>
> I would expect the packet to leave my router, back to xx.xx.xx.xx :
>
> BYE sip:12345678 at xx.xx.xx.xx SIP/2.0
> Record-Route: <sip:yy.yy.yy.yy;lr;ftag=2873864>
> Record-Route: <sip:xx.xx.xx.xx;ftag=875188d2;lr=on>
> Via: SIP/2.0/UDP yy.yy.yy.yy;branch=zu83fdhDB8d.67235676.0
> Via: SIP/2.0/UDP xx.xx.xx.xx;branch=z9hG4bK07cb.466d8587.0
> Via: SIP/2.0/UDP ww.ww.ww.ww:5060;branch=z9hG4bK875196bf
> Route: <sip:xx.xx.xx.xx;ftag=1056999653;lr=on>
>
> But the outgoing packet is :
>
> BYE sip:xx.xx.xx.xx;ftag=1056999653;lr=on SIP/2.0
> Record-Route: <sip:xx.xx.xx.xx;ftag=875188d2;lr=on>
> Via: SIP/2.0/UDP yy.yy.yy.yy;branch=z9hG4bK07cb.02005244.0
> Via: SIP/2.0/UDP xx.xx.xx.xx;rport=5060;branch=z9hG4bK07cb.466d8587.0
> Via: SIP/2.0/UDP ww.ww.ww.ww:5060;branch=z9hG4bK875196bf
>
>
> Do you have any idea about what is going on ?
>
>
> Thank you.
> Best regards,
>