How Data Moves Through The Transparent Firewall - Cisco Catalyst 6500 Series Configuration Manual

Firewall Mode Overview

How Data Moves Through the Transparent Firewall

Figure 4-8
public web server. The FWSM has an ACL so that the inside users can access Internet resources. Another
ACL allows the outside users to access only the web server on the inside network.
Figure 4-8
The following sections describe how data moves through the FWSM:
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•
•
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide
4-12
shows a typical transparent firewall implementation with an inside network that contains a
Typical Transparent Firewall Data Path
www.cisco.com
Internet
Switch
209.165.201.2
VLAN 100
VLAN 200
209.165.200.230
Web Server
209.165.200.225
An Inside User Visits a Website, page 4-13
An Outside User Visits a Website on the Inside Network, page 4-14
An Outside User Attempts to Access an Inside Host, page 4-15
FWSM
209.165.201.6
Host
209.165.201.3
Chapter 4 Configuring the Firewall Mode
OL-6392-01