Network Adapter Controller for Single-Connection Security
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Solution Overview
Problem
There is a need to control communication connectivity of a computer device with multiple networks to prevent concurrent connections, which can lead to security issues, especially when a device is connected to a local area network and a wireless local area network simultaneously.
Innovation Solution
A mechanism is provided that allows a computer device to be connected to only one network at a time by using network adapters and a controller to enable communication with the selected network while disabling connections to all other networks, with user selection through a graphical user interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a computer device is configured to connect to multiple networks simultaneously, then network connectivity flexibility is improved, but security risks increase due to concurrent connections
Solution Approach 1:
The system dynamically enables or disables network adapters based on user selection and policy rules. The controller monitors connection status and automatically adjusts adapter states to prevent concurrent connections, transforming a static multi-connectivity configuration into a dynamic single-connection state system that maintains flexibility while ensuring security
Solution Approach 2:
The controller continuously monitors the connection status of multiple network adapters and provides feedback to determine which adapter should be active. When a connection is detected on one network, the system feedback-drivenly disables other adapters to prevent concurrent connections, creating a closed-loop control system that maintains security while allowing network flexibility
2Adaptability or versatility
If concurrent network connections are allowed, then communication versatility is improved, but system security deteriorates
Solution Approach 1:
The system preemptively disables network adapters that are not selected for active use, before security incidents can occur. By proactively controlling which adapters are enabled based on user selection and policy rules, the system prevents potential security vulnerabilities from concurrent connections while maintaining the capability to connect to multiple networks when needed
3Ease of operation
If automatic network selection is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The controller automatically monitors network adapter status and performs enable/disable operations without requiring manual user intervention. The system self-services by detecting connection states and autonomously adjusting adapter configurations according to predefined policies, simplifying user operation while the underlying complexity is managed by the automated control logic
Data Source
AI summary
A computer device can include a plurality of network adapters each operable to connect the computer device with a network, such as a private wired local area network (LAN) or a wireless local area network (WLAN). The computer device can include a controller to detect and select a first network of the plurality of networks. The controller can further enable a first network adapter of computer device to connect the computer device with the first network. In response to enabling the first network adapter, the controller can disable the other network adapter(s) to prevent connectivity with the other network(s).