How Data Moves Through The Fwsm In Routed Firewall Mode; An Inside User Visits A Web Server - Cisco 7604 Configuration Manual

Catalyst 6500 series switch and cisco 7600 series router firewall services module configuration guide using the cli

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Routed Mode Overview

How Data Moves Through the FWSM in Routed Firewall Mode

This section describes how data moves through the FWSM in routed firewall mode, and includes the

following topics:

Source Addr Translation

The following steps describe how data moves through the FWSM (see

Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM

An Inside User Visits a Web Server, page 5-2

An Outside User Visits a Web Server on the DMZ, page 5-3

An Inside User Visits a Web Server on the DMZ, page 5-4

An Outside User Attempts to Access an Inside Host, page 5-5

A DMZ User Attempts to Access an Inside Host, page 5-6

shows an inside user accessing an outside web server.

Inside to Outside

209.165.201.10

The user on the inside network requests a web page from www.example.com.

The FWSM receives the packet and because it is a new session, the FWSM verifies that the packet

is allowed according to the terms of the security policy (access lists, filters, AAA).

www.example.com

209.165.201.2

Configuring the Firewall Mode

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