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To configure SSL Forward Proxy decryption on a Palo Alto Networks firewall, certain key components must be set up to ensure secure and effective decryption and inspection of SSL/TLS encrypted traffic:

B. Define a Forward Trust Certificate:

• A Forward Trust Certificate is essential for SSL Forward Proxy decryption. This certificate is used by the firewall to dynamically generate certificates for SSL sites that are trusted. When the firewall decrypts and inspects the traffic and then re-encrypts it, the new certificate presented to the client comes from the Forward Trust Certificate authority. This certificate must be trusted by client devices, often requiring the Forward Trust CA certificate to be distributed and installed on client devices.

C. Configure SSL decryption rules:

• SSL decryption rules are the policies that determine which traffic is to be decrypted. These rules specify the source, destination, service, and URL category, among other criteria. The rules define what traffic the SSL Forward Proxy will apply to, enabling selective decryption based on security and privacy requirements.

Together, these components form the basis of the SSL Forward Proxy decryption setup, allowing for the decryption, inspection, and re-encryption of SSL/TLS encrypted traffic to identify and prevent threats hidden within encrypted sessions.

User-ID is a feature that allows the firewall to identify and classify users and groups on the network based on their usernames, IP addresses, and other attributes1. User-ID information can be collected from various sources, such as:

• A: Windows User-ID agent: A software agent that runs on a Windows server and collects user information from Active Directory domain controllers, Exchange servers, or eDirectory servers2. The agent then sends the user information to the firewall or Panorama for user mapping2.
• B: GlobalProtect: A software agent that runs on the endpoints and provides secure VPN access to the network3. GlobalProtect also collects user information from the endpoints and sends it to the firewall or Panorama for user mapping4.
• C: XMLAPI: An application programming interface that allows external systems or scripts to send user information to the firewall or Panorama in XML format. The XMLAPI can be used to integrate with third-party systems, such as identity providers, captive portals, or custom applications.

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