Getting Started with the Cisco PIX Firewall
Written by Christian Degu and Greg Bastien; Published by Cisco Press
06.13.2003
Rating: -3.50- (out of 5)
CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide
Chapter 6, Getting Started with the Cisco PIX Firewall
This excerpt is reprinted with permission from Cisco Press. For more information or to order the book, visit the Cisco Press Web site.
This chapter describes the basic preparation and configuration required to use the network firewall features of the Cisco PIX Firewall. It focuses on how to establish basic connectivity from the internal network to the public Internet.
This chapter covers the following exam topics for the Cisco Secure PIX Firewall Advanced Exam:
5. User interface
6. Configuring the PIX Firewall
8. Time setting and NTP support
13. DHCP server configuration
Foundation topics include:
Access Modes
The Cisco PIX Firewall contains a command set based on Cisco IOS Software technologies that provides three administrative access modes:
Unprivileged mode is available when you first access the PIX Firewall through console or Telnet. It displays the > prompt. This mode lets you view only restricted settings.
You access privileged mode by entering the enable command and the enable password. The prompt then changes to # from >. In this mode you can change a few of the current settings and view the existing Cisco PIX Firewall configuration. Any unprivileged command also works in privileged mode. To exit privileged mode, enter the disable, exit, or ^z command.
You access configuration mode by entering the configure terminal command. This changes the prompt to (config)# from #. In this mode you can change system configurations. All privileged, unprivileged, and configuration commands work in this mode. Use the exit or ^z command to exit configuration mode.
Configuring the PIX Firewall
Six important commands are used to produce a basic working configuration for the PIX Firewall:
- interface
- nameif
- ip address
- nat
- global
- route
This chapter is posted in full as a pdf file. To continue reading, click here.
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