Hi-
The 2001 ... ports are used by the async interface ports for ur
modems in a dialup scenario.This is the reverse telnet feature
of Cisco routers to configure the modem for a dialup session.
You can check this up in htttp://www.cisco.com ...
search for modem configuration...will give you the details.
-Sam
On Sun, 22 Dec 1996, Rafi Sadowsky wrote:
> Date: Sun, 22 Dec 1996 19:26:34 +0200 (IST)
> From: Rafi Sadowsky <rafi @
tavor .
openu .
ac .
il>
> To: "Jason T. Luttgens" <luttgenj @
kic .
or .
jp>
> Cc: "'firewalls @
greatcircle .
com'" <firewalls @
greatcircle .
com>
> Subject: Re: Wierd [ cisco revers telnet ports 200x ]
>
> 2001 is a reverse telnet to the aux port (defualt config)
> of the top of my head 4001, 6001, 9001 are also the aux port with
> differnet telnet options preset
> if you had multiple async interfaces ( such as a cisco T/S )
> you would gave 2001-2000+n as reverse to telnet to the async ports
> & 200+n+1 as acess to the aux port ) sam gox fot 4xxx,6xxx,9xxx
> I assum )
>
> hope this helps,
> Rafi
>
> P.S it would be nice if you wrapped your lines ....
> --
> Rafi Sadowsky rafi @
tavor .
openu .
ac .
il
> [postmaster @
openu .
ac .
il] FAX: +972-3-6460744
>
> On Sun, 22 Dec 1996, Jason T. Luttgens wrote:
>
> > Does anyone know why cisco routers (the ones I ran strobe, a
> > portscanner, on anyway) have port 2001, 4001, 6001, 9001 open as a
> > regular telnet port that you can log into ?
> >
> > Luck
> >
>
>
References:
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