When I use a SoftPhone behind NAT, I have following problem: RRQ packet was sent from 192.168.x.x:4751(external IP:195.128.52.250) ==> 194.242.x.x:1719 OK, GnuGK understand, what endpoint is behind NAT, and ready to receive RTP packets from other port then specified in FastStart. As I understand, function, responsive for it is UDPProxySocket::ReceiveData(): === // Workaround: some bad endpoints don't send packets from the specified port === But some bad providers have strange routes, and RTP packets sent from 192.168.x.x:5000 came from 87.251.133.254:5000 (alternate route) - not from 195.128.52.250!!! GnuGK forwards RTP packets from gateway 194.242.33.101 to 195.128.52.250:5000 OK, we assume NAT preventing ports, but ready to change port And GnuGK forwards RTP from 87.251.133.254:5000 to 195.128.52.250:5000 (i.e. to /dev/null) === ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 194.242.33.101:27862 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 194.242.33.101:27862 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 194.242.33.101:27862 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 87.251.133.254:5000 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 194.242.33.101:27862 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 87.251.133.254:5000 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 194.242.33.101:27862 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent ProxyRTP(0) 1 sockets selected from 2, total 2/0 RTP Forward 87.251.133.254:5000 to 195.128.52.250:5000 195.128.52.250:5000<=>194.242.x.x:53016<=>194.242.33.101:27862 84 bytes sent === I think UDPProxySocket::ReceiveData() must be more robust for this type of provider's behavior. If endpoint is behind NAT, GnuGK must not believe on any address/port values, this values must be fully autodetected. -- Best regards, Roman mailto:roman@xxxxxx ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________________ Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Unsubscribe: http://lists.sourceforge.net/lists/listinfo/openh323gk-users Homepage: http://www.gnugk.org/
