I am struggling with rtpproxy and I would like some help, because the documentation is rather scarce to be honest.

I am running ser on an OpenBSD 3.3 box, with one internal interface (192.168.x.x) and a public interface (62.x.x.x).

I am not sure wether I have to force rtpproxy to listen to a specific interface or not.

I launch rtpproxy rather basically with ./rtpproxy -s /var/run/rtpproxy.sock

Then I launch ser, it spawns some process and then run into race condition (see ps -aux below)

Feb 2 15:34:28 cdg8-ser1 ser: WARNING: could not read from /dev/random (5)
Feb 2 15:34:28 cdg8-ser1 ./ser[20970]: ERROR: send_rtpp_command: can't connect to RTP proxy
Feb 2 15:34:28 cdg8-ser1 ./ser[32404]: ERROR: send_rtpp_command: can't connect to RTP proxy
Feb 2 15:34:28 cdg8-ser1 ./ser[32404]: WARNING: rtpp_test: can't get version of the RTP proxy
Feb 2 15:34:28 cdg8-ser1 ./ser[32404]: WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily
Feb 2 15:34:28 cdg8-ser1 ./ser[20970]: WARNING: rtpp_test: can't get version of the RTP proxy
Feb 2 15:34:28 cdg8-ser1 ./ser[20970]: WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily
Feb 2 15:34:28 cdg8-ser1 ./ser[147]: ERROR: send_rtpp_command: can't connect to RTP proxy
...

USER       PID %CPU %MEM   VSZ   RSS TT   STAT STARTED       TIME COMMAND
ser      16586 99.0 0.5 1744 2672 ?? R      3:34PM    6:15.11 ./ser -P /var/run/ser.pid
root     16613 0.0 0.1   752   272 ?? Ss     3:33PM    0:00.01 ./rtpproxy -s /var/run/rtpproxy.sock

#./rtpproxy -v
20040107
# ./ser -V
version: 0.8.14 (i386/openbsd)

#-------------- nathelper parameters
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "rtpproxy_sock", "/var/run/rtpproxy.sock")

Could it be that ser running as ser user cannot read the rtpproxy socket (running as root) ?