Telnet over ADSL

Unanswered Question
May 4th, 2008

From some unknown reason i can not telnet into remote router via Dialer (ADSL). I must connect to server behind router (remote desktop) and then telnet to ethernet port. With castrated upload on ADSL that can be painful, so any idea?

I have this problem too.
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Paolo Bevilacqua Mon, 05/05/2008 - 12:08

Which ACL are you using for NAT? If like "permit ip any any", that is causing telnet to fail, so only configure permit for the internal networks you have.

Hope this helps, please rate post if it does!

positive1 Wed, 05/07/2008 - 01:49

Yes, there was "any any" in NAT ACL. But interesting part happend after i changed to "x.x.x.x any". One of seven location was now accessible via Dialup adapter, but other locations remain unaccessible. Next, six locations are on one internet provider, the one that works now is on other ... I compared config files and they look similar

Any other idea?

Paolo Bevilacqua Wed, 05/07/2008 - 03:12

Sorry, can't quite understand what the following problem is then.

ACL NAT however can;t be of "any any" type, else as you notice, telent won't work.


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