Do not use. Either replace the term with allow list (noun) or allow-list (adjective), or rewrite the sentence entirely to explain the purpose of that list.

• For secure networks, add community.pega.com to your whitelist to ensure access to all updated documentation. Ensure that you can access all updated documentation by adding community.pega.com to the list of trusted sites.
• Whitelist the PDC service URL base in your proxy server. Add the PDC service URL base to the list of trusted URLs in your proxy server.
• Ensure that the whitelisted CIDR range on the VPN for your VPC includes the network for your database endpoints. Ensure that the CIDR range that is allowed on the VPN for your VPC includes the network for your database endpoints.

• blacklist, black list
• deny list, deny-list
• allow list, allow-list