Tunneling Endpoint Packet Inspection for Control Message Identification
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Solution Overview
Problem
Existing tunneling connection technologies face challenges in transmitting tunneling control messages between endpoints and servers, as endpoint software does not perform packet inspection, leading to difficulties in determining connection requests, server status, and ownership verification, and relying on unreliable push notifications with security and privacy risks.
Innovation Solution
A method is introduced to identify tunneling control messages by determining address information within packets, allowing endpoints to receive indications about connection requests, server status, and ownership requests, enabling secure and efficient message transmission through protocol selection and packet processing techniques that include IP table rules, signaling messages, and access control mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If endpoint software does not perform packet inspection, then data transmission simplicity is maintained, but tunneling control message identification becomes impossible
Solution Approach 1:
The patent introduces a mediator component (tunneling endpoint software with packet inspection capability) that sits between the application layer and network layer. This mediator selectively inspects packets to identify tunneling control messages while leaving regular data transmission unaffected, thus resolving the contradiction between maintaining simplicity and enabling control message identification.
Solution Approach 2:
The patent segments packet inspection functionality into a dedicated tunneling endpoint software component that operates independently from the main data transmission path. By separating control message handling from general data traffic, the system maintains simplicity for bulk data transmission while enabling specialized inspection for control messages where needed.
2Speed
If push notifications are used for server status notification, then real-time communication is achieved, but security and privacy risks increase
Solution Approach 1:
The patent introduces the tunneling connection as an intermediary channel that carries both data traffic and control messages (including server status notifications) securely. This intermediary mechanism replaces direct push notifications by third-party services, achieving real-time communication while maintaining security and privacy through the encrypted tunnel.
Solution Approach 2:
The patent converts the potential harm of relying on third-party push notification services (security risks, privacy leaks) into a benefit by implementing an alternative notification mechanism within the secure tunnel. The tunneling mechanism itself becomes the vehicle for delivering server status notifications, eliminating the need for external push services and their associated risks.
3Measurement precision
If packet inspection is implemented at endpoint, then control message detection improves, but processing overhead increases
Solution Approach 1:
The patent applies packet inspection selectively rather than universally. The tunneling endpoint software inspects packets only to identify tunneling control messages using specific criteria (protocol type, destination address, port), while allowing regular data packets to pass through with minimal processing. This localized inspection approach improves control message detection accuracy without imposing excessive processing overhead on all traffic.
Data Source
AI summary
Systems, methods, and software can be used for securing in-tunnel messages. One example of a method includes establishing a tunneling connection between a server and an endpoint. The method further includes receiving a packet from the server over the tunneling connection. The method yet further includes determining that the packet comprises a tunneling control message based on at least one address in the packet. Based on the determination of a received packet comprising a tunneling control message, the method can ensure the security of in-tunnel messages based on an indication in the tunneling control message.