[SR-Users] rtpengine and security

2015-04-21 Thread GG GG
By port closed, I mean that ports are normally closed, but when rtpengine send the first rtp packets to the client, it opens a pinhole in the firewall, and the matching incoming packets from the client will make the connection established,related in iptables. I think symmetric nat permits that. Bu

[SR-Users] rtpengine and security

2015-04-21 Thread GG GG
Hello, what do you think about opening all RTP ports for rtpengine on Internet, is it a bad practice ? I wonder if it's possible to use rtpengine with all ports closed. Maybe someone could explain how rtpengine learn the source address when the SDP contains a local address. If your rtpengine se