Cisco 7604 Configuration Guide - Page 532
AAA for System Administrators, Configuring Authentication for CLI and ASDM Access
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AAA for System Administrators Chapter 23 Configuring Management Access Like access lists, the FWSM matches a packet to each icmp statement in order. You should use specific statements first, and general statements later. There is an implicit deny at the end. For example, if you allow all addresses first, then deny a specific address after, then that address will be unintentionally allowed because it matched the first statement. Note If you only want to allow the FWSM to ping a host (and thus allow the echo reply back to the interface), and not allow hosts to ping the FWSM, you can enable the ICMP inspection engine instead of entering the command above. See Chapter 22, "Applying Application Layer Protocol Inspection." For example, to allow all hosts except the one at 10.1.1.15 to use ICMP to the inside interface, enter the following commands: hostname(config)# icmp deny host 10.1.1.15 inside hostname(config)# icmp permit any inside To allow the host at 10.1.1.15 to use only ping to the inside interface, enter the following commands: hostname(config)# icmp permit host 10.1.1.15 inside AAA for System Administrators This section describes how to enable CLI authentication, command authorization, and command accounting for system administrators. Before you configure AAA for system administrators, first configure the local database or AAA server according to Chapter 11, "Configuring AAA Servers and the Local Database." Note In multiple context mode, you cannot configure any AAA commands in the system configuration. However, if you configure Telnet authentication in the admin context, then authentication also applies to sessions from the switch to the FWSM (which enters the system execution space). See the "Configuring Authentication for CLI and ASDM Access" section on page 23-10 for more information. This section includes the following topics: • Configuring Authentication for CLI and ASDM Access, page 23-10 • Configuring Authentication to Access Privileged EXEC Mode, page 23-13 • Configuring Command Authorization, page 23-14 • Configuring Command Accounting, page 23-22 • Viewing the Current Logged-In User, page 23-22 • Recovering from a Lockout, page 23-23 Configuring Authentication for CLI and ASDM Access This section explains how to configure CLI authentication when you use Telnet or SSH, and how to configure ASDM authentication. This section includes the following topics: • CLI Access Overview, page 23-11 • ASDM Access Overview, page 23-11 23-10 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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