Solved

Telnetting Problem

Posted on 2002-04-11
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Last Modified: 2010-04-17
I'm trying to telnet into a port and having a lot of difficulty. The port that I am trying to telnet into is 5993. An application called Goldmine uses this as a port to do server synchronization.

When I try to telnet into that port, it hangs for a few seconds and then displays the following text :

%%ER

Then it disconnects. I have a flowpoint router and I  opened the port on the router by keying in

sys addserver 192.168.0.1 5993 TCP


Is there something else I need to do to get this to work?

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Question by:ONYX
5 Comments
 
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Expert Comment

by:geoffryn
ID: 6935535
The service may be waiting for authentication.  Are y ousure that you are supposed to be able to connect and not get an error?  Is the Goldmine box inside of or outside of the Flowpoint?
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Author Comment

by:ONYX
ID: 6935541
The Goldmine Box is inside the router. I can ping it. I'm not sure what is supposed to happen upon telnet. I thought, like other telnet apps, it would prompt me for a login.
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Expert Comment

by:geoffryn
ID: 6935549
Probably not.  The application has to support a challenge/response mechanism.  You need to test it with the client software.
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Accepted Solution

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scraig84 earned 50 total points
ID: 6936688
Have you ever tried to telnet against it from the router itself or from another box inside the router?  If the result is different, then you have a possible problem with the router.

Not all apps work with telnet sessions, but telnet can still be used to just see if a port is open.  It is common to telnet to port 80 for example as a test.  Most web servers will respond with a blank screen and then disconnect after a couple of keys are pressed.  Others will hang and you have to manually break the session.  Either way, if you get a response, you know the port is open.  I am assuming that this is your primary concern, and considering you connected, it looks like the desired result was achieved.
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