PIX Configuration

This section explores how to configure a PIX Firewall for a number of different scenarios. This section defines terms and gives explanations of how different scenarios require different hardware and software configurations.

The basic PIX configuration is extremely simple. By default, this configuration allows outgoing packets and responsive packets into the LAN. This configuration also denies all ICMP packets traversing the PIX from the outside to the inside, even when such a packet is in response to a ping issued from the inside.

Like any other Cisco IOS, the Cisco PIX has a command-line interface (CLI). There is a user mode and an enable mode. For the moment, you will configure the PIX by connecting the console port on the ...

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