[OpenSIPS-Users] Nathelper / rtpproxy , problem with trusted IP

Ovidiu Sas osas at voipembedded.com
Wed Feb 2 18:45:10 CET 2011


How did you started the session?  Maybe you should start the session
from the beginning in "trusted" mode.

Regards,
Ovidiu Sas

On Wed, Feb 2, 2011 at 11:26 AM, Laurent Schweizer
<laurent.schweizer at peoplefone.com> wrote:
> Hello all,
>
>
>
> Small problem with rtpproxy and nathelper
>
>
>
> as you can see in the log bellow , I use the force_rtp_proxy method  with
> the 'r' flag to indicate to trust the IP of the SDP.
>
>
>
> In the example bellow, the trusted IP is "95.128.80.6 3966" , the problem is
> that the old rtp source (in this case a MoH server) continue to send 1 or 2
> packet so the RTP proxy change them with "95.128.80.92:1086" so packet are
> not correctly forwarded.
>
>
>
> If the IP must be trusted why he take care of a received Packet ?
>
>
>
> I use the rtpproxy 1.2.1.
>
>
>
> Regards
>
>
>
> Laurent
>
>
>
> Feb  2 16:58:42 dns2 kamailio-1.5.4-notls/kamailio[31518]:  route 5 | INVITE
> has SDP | we trust the IP in SDP
>
> Feb  2 16:58:42 dns2 kamailio-1.5.4-notls/kamailio[31518]:  route 5 |
> force_rtp_proxy ocrf
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: DBUG:handle_command: received command
> "31518_84 Uc0,101 408970232 95.128.80.6 3966 16e48326;1 2107358281;1"
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:handle_command: adding strong flag
> to existing session, new=1/0/0
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:handle_command: lookup on ports
> 3162/3820, session timer restarted
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:handle_command: update
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:handle_command:   Unless the
> address provided by client historically
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:handle_command: pre-filling
> callee's address with 95.128.80.6:3966
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: DBUG:doreply: sending reply "31518_84
> 3820 95.128.80.6 "
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:rxmit_packets: callee's address
> filled in: 95.128.80.92:1086 (RTP)
>
> Feb  2 16:58:42 dns2 rtpproxy[8101]: INFO:rxmit_packets: guessing RTCP port
> for callee to be 1087
>
>
>
>
>
>
>
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