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- Feb 27, 2008
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I have a fresh installaton of 5.1 sitting behind a firewall with a static IP. I have the firewall configured as follows :
Rule Type | Source | Destination | Options | QOS Type
11 Allow and Forward WAN (Internet) This Gateway:9000 - 9015 (UDP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
12 Allow and Forward WAN (Internet) This Gateway:5060 - 5070 (TCP/UDP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
13 Allow and Forward WAN (Internet) This Gateway:5090 (TCP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
14 Allow and Forward WAN (Internet) This Gateway:3478 (TCP/UDP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
To my mind this seems to follow the guidelines laid out in the manual, statically mapping traffic to the ports above on my public IP through to my work laptop for testing. The laptop is XP sp2 with the integral firewall turned off.
Whenever I run the firewall checker I get the following error results on all the ports.
1 9000 Error (4) The STUN server returned an ip which is not accessible from outside. addrFromSTUN = 84.xx.xx.137:10206
2 9000 Error (6) An incompatible NAT configuration has been detected. Please check FAQ for further information. addrFromAgent = 84.xx.xx.137:10225addrFromSTUN = 84.xx.xx.137:10206
3 9000 Warning (8) Local port is not blocked from outside. STUN server has returned global port different from the local one, but the local port is also accessible from outside.
4 9000 Warning (10) Port is open, but port number has been changed. In many cases, this will present a problem and cause one way audio or no inbound calls. See this FAQ: http://www.3cx.com/support/firewal-checker.html externalAddress = 84.xx.xx.137:10206
I don't really understand why this is happening and I don't have any real knowledge of how STUN works so I cannot intepret the data into something useful so that I can modify the firewall or 3cx to make things better. The net result is unreliable audio issues.....
If anyone can advise on what I need to do here that would be really useful.
Thanks in advance
Rob
Rule Type | Source | Destination | Options | QOS Type
11 Allow and Forward WAN (Internet) This Gateway:9000 - 9015 (UDP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
12 Allow and Forward WAN (Internet) This Gateway:5060 - 5070 (TCP/UDP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
13 Allow and Forward WAN (Internet) This Gateway:5090 (TCP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
14 Allow and Forward WAN (Internet) This Gateway:3478 (TCP/UDP) Forward To : Work-Laptop (Network Object) QoS Class : VOIP
To my mind this seems to follow the guidelines laid out in the manual, statically mapping traffic to the ports above on my public IP through to my work laptop for testing. The laptop is XP sp2 with the integral firewall turned off.
Whenever I run the firewall checker I get the following error results on all the ports.
1 9000 Error (4) The STUN server returned an ip which is not accessible from outside. addrFromSTUN = 84.xx.xx.137:10206
2 9000 Error (6) An incompatible NAT configuration has been detected. Please check FAQ for further information. addrFromAgent = 84.xx.xx.137:10225addrFromSTUN = 84.xx.xx.137:10206
3 9000 Warning (8) Local port is not blocked from outside. STUN server has returned global port different from the local one, but the local port is also accessible from outside.
4 9000 Warning (10) Port is open, but port number has been changed. In many cases, this will present a problem and cause one way audio or no inbound calls. See this FAQ: http://www.3cx.com/support/firewal-checker.html externalAddress = 84.xx.xx.137:10206
I don't really understand why this is happening and I don't have any real knowledge of how STUN works so I cannot intepret the data into something useful so that I can modify the firewall or 3cx to make things better. The net result is unreliable audio issues.....
If anyone can advise on what I need to do here that would be really useful.
Thanks in advance
Rob