[c-nsp] A question about TACACS+ and controlling command use

[Ian MacKinnon]

Don't know if this would work, but why not bar them from the controller command instead
Ie
Conf t
Controller T3 1/0 -----Block this command
shut

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Byrd, William
> Sent: 12 June 2009 14:42
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] A question about TACACS+ and controlling command use
>
> I've done a lot of thinking and searching on this problem and I haven't
> been able to figure out any way to solve it. The rest of the Engineers
> here have come to the conclusion it just can't be done.
>
> We have a pretty large deployment of Cisco 7200's with the vast
> majority
> being carded out with PA-MC-2T3 cards. Typically a customer will order
> a
> DS1 or several DS1's which will be delivered MLPPP to the customer.
>
> As we do not currently have any automation tools in place to provision
> or
> remove old provisioning for customers we frequently end up in
> situations
> where a technician building or removing a customer has shutdown a DS3
> and
> taken down a lot of customers.
>
> The obvious answer is to restrict the use of the shutdown command.
> Unfortunately the technicians that often make the mistakes have to be
> able
> to use the command to shut down Serial or Ethernet interfaces in the
> course of their work.
>
> As TACACS is setup to basically permit or deny the use of the command I
> can't find a way to restrict it on say a T3 controller but permit it
> for
> everything else; example:
>
>         cmd = no
>                 {
>                         permit ^shutdown.<cr>$
>                         deny .*
>
>         cmd = shutdown
>                 {
>                         permit .*
>                 }
>
> Anyone ever deal with a similar problem and find a good solution to it?
>
> -Will
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