Cisco PIX 525 Spécifications télécharger pdf (Page 51)

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Cisco PIX Firewall and VPN Configuration Guide

78-15033-01

Chapter 1 Getting Started

Using the Command-Line Interface

This section includes the following topics, which describe how to use the PIX Firewall command-line

interface (CLI):

• Access Modes, page 1-25

• Accessing Configuration Mode, page 1-26

• Abbreviating Commands, page 1-27

• Backing Up Your PIX Firewall Configuration, page 1-27

• Command Line Editing, page 1-28

• Filtering Show Command Output, page 1-28

• Command Output Paging, page 1-29

• Comments, page 1-29

• Configuration Size, page 1-30

• Help Information, page 1-30

• Viewing the Default Configuration, page 1-30

• Resetting the Default Configuration, page 1-30

• Clearing and Removing Configuration Settings, page 1-31

Note The PIX Firewall CLI uses similar syntax and other conventions to the Cisco IOS CLI, but the

PIX

Firewall operating system is not a version of Cisco IOS software. Do not assume that a Cisco IOS

CLI command works or has the same function with the PIX Firewall.

Access Modes

PIX Firewall Version 6.2 or higher supports for up to 16 levels of command authorization. This is similar

to what is available with Cisco IOS software. With this feature, you can assign specific PIX

Firewall

commands to one of 16 levels. You can either assign separate passwords for each privilege level or

perform authentication using a local or remote AAA database of user accounts.

For information about configuring this feature, refer to the “Connecting to PIX Firewall Over a VPN

Tunnel” section in Chapter 9, “Accessing and Monitoring PIX Firewall.”

The PIX Firewall provides five administrative access modes:

• Unprivileged mode—Available without entering a password, when you first access the PIX Firewall.

In this mode, the PIX

Firewall displays the “>” prompt and lets you enter a small number of

commands. With PIX

Firewall Version 6.2 or higher, commands in this mode are mapped to

privilege Level 0, by default.

• Privileged mode—Displays the “#” prompt and lets you change configuration information. Any

unprivileged command also works in privileged mode. Use the enable command to start privileged

mode and the disable, exit, or quit commands to exit.

In PIX Firewall Version 6.2 or higher, all privileged mode commands are mapped to privilege Level

15, by default. You can assign enable passwords to other privilege levels and reassign specific

commands to each level.

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