Automatic VPN Server Access via SIM IP Detection
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Solution Overview
Problem
Users of proprietary SIM cards with VPN services must manually create VPN profiles and input credentials each time they connect, leading to unsatisfactory user experience.
Innovation Solution
A method and client that automatically connect to a VPN server by acquiring the SIM card's IP address and using preset information bases to retrieve and store VPN server addresses and login accounts, allowing for seamless and automatic network connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual VPN profile creation and credential input are required, then system security and control are maintained, but user experience and connection efficiency deteriorate
Solution Approach 1:
The patent applies preliminary action by pre-storing VPN server addresses and login credentials in information bases before actual connection is needed. When a user connects the SIM card, the system automatically retrieves and uses these pre-prepared credentials, eliminating the need for manual input during connection and significantly improving ease of operation.
2Productivity
If automatic connection is implemented using IP address matching, then connection efficiency is improved, but system complexity increases
Solution Approach 1:
The patent implements self-service by enabling the system to automatically determine which VPN server to connect to based on the SIM card's IP address. The system autonomously queries the IP address, matches it against stored address segments in the information base, retrieves corresponding credentials, and establishes the connection without user intervention, thereby improving productivity while managing complexity through automated workflows.
Solution Approach 2:
The patent uses feedback mechanisms by continuously monitoring the SIM card's IP address assignment and automatically adjusting the VPN connection based on this information. The system queries the current IP address, compares it with stored segments, and dynamically selects the appropriate VPN server, creating a closed-loop control system that improves connection efficiency.
3Loss of time
If IP address-based automatic server selection is used, then manual input is reduced, but information storage and retrieval complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-organizing VPN server addresses and login credentials into structured information bases before they are needed. The system pre-stores address segments and their corresponding credentials, so when connection is required, the matching and retrieval process is already optimized, reducing the time loss for credential input while managing information storage complexity through advance preparation.
Data Source
AI summary
Disclosed in the embodiments of the present invention is a VPN server access method, comprising: acquiring an IP address assigned to a SIM card by a server at the network side, when dialing to the server at the network side is carried out successfully with the dial-up information built-in the SIM card; connecting to the proprietary VPN server automatically, if the acquired IP address of the SIM card belongs to the address segments of the proprietary VPN server. A VPN client is also disclosed in the embodiments of the present invention. With the present invention, the user experience can be improved.


