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Firewall Configuration Requirements

Your organization will need to configure your firewall to allow the necessary traffic:

• If the private ZENs are deployed in the DMZ of your organization or in your internal network
• If your organization uses PAC files to forward traffic from your internal network to the private ZENS

To view the firewall requirements, log in to the Zscaler service and go to Help > Cloud Configuration Requirements.

• Review the Firewall Configuration Requirements and Cloud Enforcement Node Ranges sections.
• For the list of PAC server IP addresses, go to PAC IP Addresses.