Timed Network Interface Control for Secure Server Access

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Solution Overview

Problem

Existing network communication systems lack efficient methods to secure and manage port-based communication, particularly in environments where endpoints need to communicate with a server, making them vulnerable to unauthorized access and hacking.

Innovation Solution

Implementing a system with a server and endpoint architecture that utilizes timing circuits to control network interfaces, generates secure connection packets with specified IP addresses and ports, and employs ID verification modules to ensure only approved endpoints can communicate within designated time windows, using non-standard ports and encryption protocols.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional open port communication is used, then network communication efficiency is improved, but security against unauthorized access deteriorates

Engineering Contradiction:

Improvenetwork communication efficiencyVSAvoidsecurity against unauthorized access

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The network interface dynamically changes its operational state between active and inactive based on time window signals. During active periods, the interface accepts connections for efficient communication. During inactive periods, the interface rejects all connections to prevent unauthorized access, thus adapting its behavior to balance efficiency and security requirements

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system implements periodic activation and deactivation of the network interface based on received time window signals. This periodic operation creates scheduled communication opportunities that maintain productivity while providing regular security enforcement periods where the interface rejects all connection attempts

Inventive Principle:

Principle #19Periodic action

2Ease of operation

If network interface is kept active continuously, then communication availability is improved, but vulnerability to hacking deteriorates

Engineering Contradiction:

Improvecommunication availabilityVSAvoidvulnerability to hacking

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system receives and processes time window signals in advance that predetermined when the network interface should be active. This preliminary action allows the interface to be available exactly when needed for legitimate communication while automatically protecting against hacking attempts during inactive periods when the interface is not listening for connections

Inventive Principle:

Principle #10Preliminary action

3Reliability

If port access is restricted with verification, then security is improved, but communication speed deteriorates

Engineering Contradiction:

ImprovesecurityVSAvoidcommunication speed

Core Design Contradiction:

ReliabilityVSSpeed

Solution Approach 1:

The communication process is segmented into distinct phases: time window signal reception, interface activation, data transmission, and interface deactivation. This segmentation allows the verification process (time window checking) to occur separately from the actual data transmission, maintaining high communication speed during the active phase while ensuring security through controlled access windows

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS12425373B2Server, switch and endpoints for secure communications

Publication Date: 2025.09.23 THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SEC OF HOMELAND SECURITY

AI summary

A system and method for securely exchanging information between a server and an endpoint. A firewall and switch may administer connections between the endpoint and the server. The network interface of the server may send and receive information through the firewall and switch. A program task in the sever may set the network interface to be in an “on state” for a predetermined amount of time on a specific date thereby creating an active time transfer window that the network interface can receive communications from the endpoint.