I am trying to understand properly how to navigate firewalls using ekiga. I have read the wiki and even contributed to it in the past.
Just now I using wireshark to compare a failed echo test (ekiga.net's own on 500) and the ideal sip successful echo test when sent via ekiga net. ekiga is set to use udp_port_range (on this machine) of 5081:5089 and the firewall forwards those ports & 5080 to this machine. The sip listen_port is 5080. ATM I am testing audio only, so although tcp_port_range is set to 30000:30010, the firewall is *not* forwarding those ports. I attach the two simple (wide) text flow recordings from wireshark of the successful and failed calls. Wireshark does not decode the udp audio packets in the successful call, so that is not shown. In the failed call to 5...@ekiga.net, the first INVITE goes out, and ekiga.net replies with the 407 Authentication request. ekiga responds with the ACK and the modified INVITE, but ekiga.net never responds (or is blocked by the firewall) thereafter. Is this enough for an expert to explain what is happening? I can of course post a -d4 log etc. if more information is needed, but I wanted to keep this initial post simple and short. Thanks in advance for any enlightenment. ael
|Time | shelf.conquest | | | | ekiga.net | |19.710059000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |19.733743000| 407 Proxy Authentica |SIP Status | |(5080) <------------------ (5060) | |19.734424000| ACK | |SIP Request | |(5080) ------------------> (5060) | |19.738620000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |20.260050000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |21.260591000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |23.260083000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |27.260152000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |31.260685000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |35.261727000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) | |39.262237000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:5...@ekiga.net | |(5080) ------------------> (5060) |
|Time | shelf.conquest | | | | ekiga.net | |6.994588000| INVITE SDP (Speex g7 |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:*850...@ekiga.net | |(5080) ------------------> (5060) | |7.017845000| 100 Giving a try |SIP Status | |(5080) <------------------ (5060) | |8.363391000| 200 OK SDP (g711U g7 |SIP Status | |(5080) <------------------ (5060) | |8.366462000| ACK | |SIP Request | |(5080) ------------------> (5060) | |8.475639000| INVITE SDP (g711U te |SIP From: "ael" <sip:usern...@ekiga.net To:<sip:*850...@ekiga.net | |(5080) ------------------> (5060) | |8.499757000| 100 Giving a try |SIP Status | |(5080) <------------------ (5060) | |8.620696000| 200 OK SDP (g711U te |SIP Status | |(5080) <------------------ (5060) | |8.622031000| ACK | |SIP Request | |(5080) ------------------> (5060) | |13.692827000| BYE | |SIP Request | |(5080) ------------------> (5060) | |13.837151000| 200 OK | |SIP Status | |(5080) <------------------ (5060) |
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