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Neelima
Joined: 20 May 2009
Posts: 10
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 Posted: Fri May 22, 2009 3:55 pm Post subject: accessing a SNPP server |
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Hi,
I am able to connect to snpp.americanmessaging.net from my home wireless and able to send a page successfully.
But having trouble connecting from my office network.Seems like a firewall issue.
But I am able to access below from my office network.
http://63.97.58.67:444/
and got the below 500 code from the snpp server..
220 omega1.myairmail.com American Messaging Services SRV OMEGA-LX v4.1 SNPP Ready 500 Unknown command
Now my question is can I connect to the snpp servers using any other allowed protocols like http,ftp.. and send commands..
Thanks
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Tech Support
Joined: 25 Aug 2003
Posts: 4387
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| Posted: Mon May 25, 2009 9:51 am Post subject: |
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American Messaging's host used to be snpp.americanmessaging.net but now it is: amsmsg.net
Try sending all of your connection requests to that host. |
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Neelima
Joined: 20 May 2009
Posts: 10
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| Posted: Tue May 26, 2009 9:54 am Post subject: |
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Tried the other american messaging server but still did not work.
Still seems to be a firewall issue.
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Tech Support
Joined: 25 Aug 2003
Posts: 4387
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| Posted: Tue May 26, 2009 9:58 am Post subject: |
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Hmm... well, if you would, try this test for me:
1) In Windows, go to Start - Run.
2) In the Run line, type the following and click OK: command
3) In the command prompt, type the following and hit enter:
telnet amsmsg.net 444
Let me know what happens when you do that. |
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Neelima
Joined: 20 May 2009
Posts: 10
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| Posted: Wed May 27, 2009 9:35 am Post subject: |
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| I tried the telnet command,got "Connecting To amsmsg.net" but could not connect.
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Tech Support
Joined: 25 Aug 2003
Posts: 4387
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| Posted: Wed May 27, 2009 9:44 am Post subject: |
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| It's definitel a firewall issue. They need to open port 444 for you. |
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Neelima
Joined: 20 May 2009
Posts: 10
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| Posted: Wed May 27, 2009 9:57 am Post subject: |
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| Can I tunnel SNPP using HTTP?This way firewall might not become an issue.
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Tech Support
Joined: 25 Aug 2003
Posts: 4387
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| Posted: Wed May 27, 2009 10:47 am Post subject: |
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| At the risk of seeming ignorant, I'm not sure what you mean? What is tunneling HTTP? |
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Neelima
Joined: 20 May 2009
Posts: 10
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| Posted: Wed May 27, 2009 2:37 pm Post subject: |
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(wikipedia)HTTP Tunneling is a technique by which communications performed using various network protocols are encapsulated using the HTTP protocol, the network protocols in question usually belonging to the TCP/IP family of protocols. The HTTP protocol therefore acts as a wrapper for a covert channel that the network protocol being tunneled uses to communicate.
The HTTP stream with its covert channel is termed an HTTP Tunnel.
HTTP Tunnel software consists of client-server HTTP Tunneling applications that integrate with existing application software, permitting them to be used in conditions of restricted network connectivity including firewalled networks, networks behind proxy servers, and NATs.
Since I am able to browse to
http://snpp.americanmessaging.net:444/ and got
220 img3.myairmail.com American Messaging Services SRV OMEGA-LX v4.1 SNPP Ready 500 Unknown command
thought if SNPP supports http tunneling.
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Tech Support
Joined: 25 Aug 2003
Posts: 4387
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| Posted: Thu May 28, 2009 9:30 am Post subject: |
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Hmm.... enlightening. I didn't know that was possible.
Well, in theory, since you did get the 220 response (even if it was followed by an invalid command response), you should be able to use HTTP tunelling with NotePager Pro/PageGate. As long as we get a 220 response back from the sending system, that initiates the protocol sequence. |
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