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Cisco Firewall Configuration Fundamentals

Chapter Description

This chapter describes the configuration fundamentals for IOS and ASA-based firewalls, highlighting the similarities between the product families.

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Summary

This chapter described the configuration fundamentals for IOS and ASA-based firewalls, frequently highlighting the similarities between the product families. After being introduced to the main CLI features (such as the help (?) command, completion using the <Tab> key, and the output filters), you learned interface configuration activities and how to enable the remote management protocols (Telnet, SSH, and HTTPS).

The following services were covered:

  • Clock synchronization using NTP.
  • Dynamic Address Assignment using the PPPoE client on Cisco firewalls, which is well suited for xDSL broadband environments.
  • Dynamic Address Assignment using the server, client, and relay features of DHCP.

This chapter examined basic ways to connect firewalls to the network and the essential tasks associated with their management. If more complex ways to insert firewalls in the network topology are required, consider Chapter 5, "Firewalls in the Network Topology."

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