The ssl offloading tunnel function is supported by all models except the USG6510E/6510E-POE/6530E.
License Requirements
The SSL offloading is not license-controlled.
Limitations
An SSL offloading profile can reference only one certificate, but a certificate can be referenced by multiple SSL offloading profiles.
A virtual server address can reference only one SSL offloading profile, but an SSL offloading profile can be referenced by multiple virtual servers.
To allow clients to access intranet servers, you must configure a security policy for access from the security zone of the clients to the security zone of the real server with the destination address being the virtual server address, service being https, and action being permit.