RE: Open tcp port 2005 on cisco router
From: Deniz CEVIK (deniz_at_edizayn.com.tr)
Date: 01/07/04
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To: <jamesworld@intelligencia.com>, "Deniz CEVIK" <deniz@edizayn.com.tr> Date: Wed, 7 Jan 2004 09:44:55 +0200
Yes, I can connect but I couldn't recieve or send any data. I don't know the
model of cisco router but this information also gives us some hints about
the model. It should be cisco 2511. As far as I know, in order to get
terminal screen we should telnet to loopback address that has been defined
for this purpose in the router. What I wonder is can we still get terminal
screen when I connect to port 2005 of router's IP from Internet (out of the
router)?
BR
-----Original Message-----
From: jamesworld@intelligencia.com [mailto:jamesworld@intelligencia.com]
Sent: Tuesday, January 06, 2004 9:56 PM
To: Deniz CEVIK
Cc: pen-test@securityfocus.com
Subject: Re: Open tcp port 2005 on cisco router
On a misconfigured router. yes. Can you connect?
The command that enables this in the line configuration is:
telnet access-server 2005
They need an access-list applied to the router line interface(s) to only
allow that from specific (NEEDED) IP's
Good job! You found what you are supposed to!
-J
At 10:34 01/06/2004, Deniz CEVIK wrote:
> Hi All,
>
> While I am scanning one of our customer's border router, I have
> seen that
>TCP port 2005 is open and reachable from Internet. As far as, I know this
>port is being used for async. connection to other devices in this router.
Is
>that normal to see this port as open from Internet?
>
> BR
>
>
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