Patent ID: 11888823
Assignee: BLACKBERRY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A computer-implemented system, comprising:
one or more computers; and
one or more computer memory devices interoperably coupled with the one or more computers and having tangible, non-transitory, machine-readable media storing one or more instructions that, when executed by the one or more computers, perform one or more operations comprising:
establishing a tunneling connection between a server and an endpoint;
receiving a packet from the server over the tunneling connection, wherein an Internet Protocol (IP) address field of the packet is set to a particular value indicating that the packet is to be inspected by the endpoint;
determining, whether to inspect the packet based on whether the IP address field of the packet is set to the particular value; and

determining, based on the IP address field of the packet, that the packet comprises a tunneling control message, wherein the tunneling control message indicates a tunneling event.