Blocking DLSW with IP Extended Access-list

From: Hotmail (jthao1@xxxxxxxxxxx)
Date: Mon Dec 03 2001 - 02:25:57 GMT-3


   
Hello Group,

How do you block(or permit) DLSW from entering an interface using an
Extended IP Access list and the 'IP Access-group in' command on the
interface? The idea is to block DLSW while permitting other TCP traffic in.
I know DLSW uses a TCP connection buy I don't know what the protocol number
is.

I've tried to research this buy I couldn't find the answer. Any help or
insight would be appreciated.

Joseph

----- Original Message -----
From: "Sukhdev" <sukhdev@first-engr.com.sg>
To: < >
Sent: Sunday, December 02, 2001 10:58 PM
Subject: Blocking egress numbers on AS5300 (OT)

> Hi Guys,
>
> Apologies as this question is a little OT. I have an AS5300 that is only
> terminating traffic into a particular city. The machine is not connected
to a
> billing sytem, Gatekeeper or authentication server. In other word, its
just
> connected raw to the Internet. A remote softswitch from US directs calls
to
> this gateway. The question I have is how can I block a telephone number
from
> being called (citywide) from the gateway, if I dont have access to the
remote
> softswitch nor the remote billing system. Is there an access list or
something
> equivalent that can be used for blocking telephone numbers on the AS5300.
>
> Appreciate your responses.
>
>
> Regards,
>
> S Dave



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