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P4 Server Administration Documentation | 2026.1

# Enable SSL support

To encrypt the connection between a P4 Broker and its end users, your broker must have a valid private key and certificate pair in the directory specified by its `P4SSLDIR` environment variable. Certificate and key generation and management for the broker works the same as it does for the P4 Server. The users' P4 Server applications must be configured to trust the fingerprint of the broker.

To encrypt the connection between a P4 Broker and a P4 Server, your broker must be configured to trust the fingerprint of the P4 Server. Therefore, the user that runs `p4broker` must:

1. Use the `p4 trust` command to create a `P4TRUST` file that recognizes the fingerprint of the P4 Server.

2. Set `P4TRUST` to specify the path to the `P4TRUST` file because `P4TRUST` cannot be specified in the broker configuration file.

For more information about enabling SSL for the broker, see the Perforce Support Center on Enabling SSL Support for the Server/Broker/Proxy.

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