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dyndns link not working from external network

Posted on 2011-02-13
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Last Modified: 2012-05-11
had a dyndns link working from internal network but not from external. what could be the causes for this besides trying to OFF and ON back the device?
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Question by:grnow
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5 Comments
 
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Expert Comment

by:kdearing
ID: 34883575
Not sure what your asking.
"Dyndns link" ???
"Off and ON back the device"   what device?

Dyndns is a 3rd party DNS service, mainly used by people with ISP-assigned dynamic IP addresses.
This allows you external access to your network, by name, no matter what IP address your ISP assigns.
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Author Comment

by:grnow
ID: 34888146
sorry should be more clear on this... has a link eg. http://xxx.dyndns.org 
this link is working if accessed from internal network(within office), but not when outside the office.

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LVL 13

Assisted Solution

by:kdearing
kdearing earned 100 total points
ID: 34890700
Try to ping the name from outside the office.
It should resolve to an IP address (even if the ping times out).
If the IP address is correct, then the problem is with the firewall/router at that IP address.
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Accepted Solution

by:
grnow earned 0 total points
ID: 34952544
its turns to be an error in the gateway of the device.. will close the qn and reward points for suggestion
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Author Closing Comment

by:grnow
ID: 34990785
its caused by wrong gateway add at the device.
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