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Network Security Pen-Test
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Re: Attacking TACACS

Subject: Re: Attacking TACACS
Date: 26 Jul 2006 07:43:05 -0000
Hey Mike,

DoS it :) 

  Cisco devices should have a secondary login stored locally if they can't 
reach the TACACS server. You can test this my flooding the port. UDPFlood so 
on. This could also test for security setting on the Cisco Gear.

 - TACACS (Terminal Access Controller Access Control System) is an older 
authentication protocol common to Unix networks that allows a remote access 
server to forward a user's logon password to an authentication server to 
determine whether access can be allowed to a given system. TACACS is an 
encryption protocol and therefore less secure than the later TACACS+ and Remote 
Authentication Dial-In User Service protocols. A later version of TACACS is 
XTACACS (Extended TACACS). Both are described in Request for Comments 1492.

Josh Perrymon
CEO
Packetfocus.com

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