Bugtraq mailing list archives
Re: Cisco 2509/2511
From: erdi () RAKSNET COM TR (Erdinc KAYA)
Date: Tue, 25 Mar 1997 00:43:16 +0200
first enter conf terminal mode and then in line 1 16 enter
"modem ri-is-cd" command.. it makes a protection to the port 2001-2-3-4
(modem attached ports) and when you telnet to these ports the connection
will be closed (refusing).. Sincerely.
Erdinc Kaya
Specialist
Erdinc.Kaya () raksnet com tr
On Mon, 24 Mar 1997, Dan Brown wrote:
This is an old one, but I keep seeing comfigurations (also posted to UseNet) where people forget to do a: transport input none on their 'line 1 16' (or whatever) config. If you use the default values ('telnet' I think) and you have no filters (stupid idea too) on your Cisco then someone is able to use ports 2001 and up to connect to one of the devices attached to it. If this is a modem that same person can type any AT command he/she wants. Go figure..You can also password protect each interface or a range of interfaces using either a single password, or tacacs, or radius, or... -- Dan Brown dbrown () seismo css gov
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