Cisco Cisco ISA550W Integrated Security Appliance Quick Setup Guide

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Follow these steps to add a new zone, specify its security level, and map the interface to the zone:

Step 1.

From the ISA500 Configuration Utility main page, choose Networking > Zones.

Step 2.

To add a new zone, click Add. 

Step 3.

Enter a name for the new zone. For example: Employee.

Step 4.

Specify the zone security level. 

–

For VLANs, all security levels are supported. In this example, the security level is set to 
Trusted (100).

–

For DMZs, choose Public (50). 

–

For WAN ports, choose Untrusted (0).

Step 5.

Map interfaces to this zone. 

Choose the existing VLANs or WAN ports from the Available Interfaces list and then click the 
right arrow to add them to the Mapped to Zone list. Up to 16 VLANs can be mapped to a zone. 

Step 6.

Click OK to apply your settings.

After you create a new zone, the firewall rules are automatically generated between zones. To 
customize your own rules, see