Cannot connect to login server
Hi,
I have a PAP2 that has been configured and working with Voxalot for the last 5 months, until this past week. I am getting the "Cannot connect to login server" error message. My PAP2 configuration has not changed, and I had done it per the voxalot instructions. I have tried all 3 server clusters: us, eu and au and with different combinations of ports (80, 443, 2060...etc port 5060 is blocked here, I have been changing the prefered cluster both in my voxalot profile and PAP config to match). I have tried "telnet xxx.voxalot.com port#" and I get a connected, so these are not blocked (xxx = eu, us and port # = 80, 443, 2060 ...etc). My login ID and password are correct, so what gives? I am out of ideas to try. Any help will be appreciated. Thanks, Chafik |
Some "debugging" information, telnetting to active ports 80, 4060 and bogus port 9999 as a control
$ telnet us.voxalot.com 80 Trying 64.34.173.199... Connected to us.voxalot.com. Escape character is '^]'. sip? Connection closed by foreign host. Chafik@CHStudio17 /cygdrive/c/downloads/SIPtrace $ telnet us.voxalot.com 4060 Trying 64.34.173.199... Connected to us.voxalot.com. Escape character is '^]'. Connection closed by foreign host. Chafik@CHStudio17 /cygdrive/c/downloads/SIPtrace $ telnet us.voxalot.com 9999 Trying 64.34.173.199... telnet: Unable to connect to remote host: Connection refused Chafik@CHStudio17 /cygdrive/c/downloads/SIPtrace $ I believe the above shows that I can get through to us.voxalot.com on ports 80 and 4060. Now using Sipsak on the same host/ports, obviously mypassword and myid I used were the real things. C:\Downloads\SIPTrace>sipsak-0.9.5.exe -T -a mypassword -s sip:myid@us.voxalot.com:4060 warning: IP extract from warning activated to be more informational (I had to CTRL-C out of it after a few minutes wait). C:\Downloads\SIPTrace>sipsak-0.9.5.exe -T -a mypassword -s sip:myid@us.voxalot.com:80 warning: IP extract from warning activated to be more informational nothing received, select returned error C:\Downloads\SIPTrace>sipsak-0.9.5.exe -T -a mypassword -s sip:myid@us.voxalot.com:9999 warning: IP extract from warning activated to be more informational 0: timeout after 500 ms 0: timeout after 1000 ms 0: timeout after 2000 ms I might be wrong, but this seems to indicate that the problem is not on my end. Thanks, Chafik |
Cannot connect to login server - Any help from an admin?
Hello again,
Any chance an admin can quickly check my account to make sure there is nothing wrong with it? I have a VoxLite account so that I could connect to axvoice on their default port 5060 (blocked here), and I really need to use my phone line. I understand that this is a low cost service ($15/yr) and I knew not to expect much in terms of support, but I would be grateful if voxalot could just tell me that my account is fine, and to look for the problem elsewhere. (using wireshark and sipsack to initiate the registration didn't help much, there were no replies whatsoever from voxalot). Thanks, Chafik |
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Have you used Wireshark to monitor packets to and from your PAP2? How do you know that your ISP has not switched from simple blocking of port 5060 to a more sophisticated deep packet inspection? |
First, thanks for your reply.
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Chafik |
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nmap -P0 -sU -p4060 us.voxalot.com no packet was returned nmap -P0 -sU -p4040 us.voxalot.com ICMP Destination unreachable" packet was returned because us.voxalot.com does not use UDP port 4040. nmap -P0 -sU -p4060 proxy01.sipphone.com ICMP Destination unreachable" packet was returned because proxy01.sipphone.com does not use UDP port 4060. |
Here is the nmap UDP scans:
$ ./nmap.exe -PO -sU -p4060 us.voxalot.com Starting Nmap 5.00 ( Nmap - Free Security Scanner For Network Exploration & Security Audits. ) at 2009-10-08 08:24 Eastern Daylight Time Interesting ports on premium.voxalot.com (64.34.173.199): PORT STATE SERVICE 4060/udp open|filtered unknown Nmap done: 1 IP address (1 host up) scanned in 5.97 seconds Well no needed to paste all the scans, the result is the same. Thanks, Chafik |
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