Server Security Compliance for Communication Devices
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Solution Overview
Problem
Existing communication systems lack the ability to dynamically adjust setting values of communication devices based on predetermined security policies, leading to potential unauthorized access and management challenges for administrators managing multiple printers.
Innovation Solution
A server system that sends requests to communication devices to change setting values if they do not meet predetermined security conditions, ensuring compliance with policy information by executing GET and SET requests over the Internet, establishing a constant connection via XMPP, and monitoring notifications to maintain secure configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the server automatically changes setting values of communication devices to meet security policies, then security compliance is improved, but device complexity and potential interference with device operation increase
Solution Approach 1:
The server acts as an intermediary between security policies and communication devices. It receives policy information, evaluates it against current device settings, and automatically sends change requests to modify settings. This intermediary role centralizes security management logic, improving compliance while isolating the complexity within the server rather than requiring complex changes in each communication device.
2Reliability
If the server continuously monitors and adjusts setting values to maintain security compliance, then security reliability is improved, but communication load and energy consumption increase
Solution Approach 1:
The server performs periodic monitoring of setting values rather than continuous monitoring. It evaluates whether current settings comply with security policies at scheduled intervals, and only initiates change requests when non-compliance is detected. This periodic approach maintains security compliance while significantly reducing communication frequency and energy consumption compared to continuous monitoring.
3Reliability
If the server sends frequent change requests to ensure security compliance, then security reliability is improved, but communication load increases
Solution Approach 1:
The system implements a feedback mechanism where the server monitors setting values, compares them against security policies, and only sends change requests when non-compliance is detected. After sending a change request, the server waits for confirmation or detection of the changed value before initiating further actions. This feedback-based approach ensures security compliance while minimizing unnecessary communication load by acting only when needed.
Data Source
AI summary
A server may send a sending request to a communication device via the Internet, the sending request being a signal for requesting the communication device to send a first setting value corresponding to a first setting item of the communication device; after the sending request has been sent to the communication device, receive the first setting value from the communication device via the Internet; determine whether the received first setting value satisfies a first predetermined condition; and in a case where it is determined that the received first setting value does not satisfy the first predetermined condition, send a first changing request to the communication device via the Internet, the first changing request being a signal for requesting the communication device to change a specific setting value corresponding to a specific setting item of the communication device.