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Firewall Builder makes the capabilities and advanced functions of various firewall engines such as iptables easily accessible to any systems or network Engineer. It provides a single...

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John V.
Chief Architect

Getting Started: Configuring Cisco ASA and PIX Firewalls

Firewall Builder is a configuration management application used to configure and manage firewall rules for multiple types of firewalls. This guide goes through the steps necessary to create a Cisco ASA firewall object in Firewall Builder, and then install rules created in Firewall Builder onto the firewall.

1. How Firewall Builder works with Cisco ASA Firewalls

Conceptually Firewall Builder works the same way no matter what type of firewall is being configured. Firewall Builder is based on the idea of using objects to represent rule elements, such as IP networks and Host addresses, and then using these objects to define firewall rules.

For Cisco ASA and Cisco PIX firewalls, after the firewall object rules creation Firewall Builder generates a configuration file containing all the Cisco CLI commands required to implement the defined security policy. This configuration file includes optional information required to configure interfaces, static routes, and other configuration options as needed.

Once the configuration file has been created, Firewall Builder can use the secure SSH and SCP protocols to transfer the configuration to the Cisco ASA or PIX firewall and activate the generated configuration, or users can manually copy-and-paste the generated configuration file into a command line session.

Figure 1. Basic Workflow for Configuring ASA Firewall with Firewall Builder

Basic Workflow for Configuring ASA Firewall with Firewall Builder

 

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