RE: Securing Telnet access

From: Steve Connolly (sconnolly@aisnets.com)
Date: Sun Oct 31 2004 - 01:29:51 GMT-3


Using method 1, not only will you block telnet traffic that is destined
for the router, you will also block any telnet traffic that is
traversing the router.

Method 2 will only effect telnet sessions into the router it is applied
on.

Stephen Connolly
Network Engineer
Applied Information Systems
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ccie2be
Sent: Saturday, October 30, 2004 8:41 AM
To: Group Study
Subject: Securing Telnet access

Hi guys,

What's the a difference or benefit to securing telnet access between
these 2
methods?

Method 1

Applying a deny telnet acl to all the physical interfaces

Method 2

Applying a deny telnet acl to line vty 0 4

To me, the only difference I can see is that with method 1, I would need
to
type (or cut and paste) a bit more. Besides that, is there anything
else or
would either method be considered equally suitable?

TIA, Tim



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