Browser URL Access Workflow With Visit-Based Warning Control

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Solution Overview

Problem

Existing Internet security measures are slow to adapt to changing threat conditions, leaving vulnerabilities and requiring labor-intensive manual management of blacklists and whitelists for URL access control.

Innovation Solution

Implementing a user-specific domain name list with visit counts and automated warning mechanisms for unknown URLs, combined with blacklist and whitelist management, to enhance security and reduce manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual management of blacklists and whitelists is used for URL access control, then security control is achieved, but labor intensity and time consumption increase

Engineering Contradiction:
Improvesecurity controlVSAvoidtime consumption
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system automatically monitors URLs, compares them against blacklists and whitelists, and controls access without requiring manual intervention. The automated monitoring subject continuously checks new URLs and determines whether to block or permit access based on list comparisons, eliminating the need for manual list management while maintaining security control.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system pre-establishes blacklists and whitelists containing known malicious and safe URLs. Before a user accesses a URL, the system checks it against these pre-prepared lists and makes access decisions in advance, preventing time-consuming manual verification while maintaining security.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If existing security measures are used, then some protection is provided, but adaptability to changing threat conditions is slow

Engineering Contradiction:
ImproveprotectionVSAvoidadaptability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system continuously monitors URL access patterns and user interactions. When users report phishing attempts or when access attempts to suspicious URLs are detected, the system receives feedback and updates the blacklists and whitelists accordingly. This continuous feedback loop enables the system to adapt rapidly to new threats while maintaining existing protection levels.

Inventive Principle:
Principle #23Feedback

3Reliability

If comprehensive security measures are implemented, then security coverage is improved, but system complexity increases

Engineering Contradiction:
Improvesecurity coverageVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system divides security management into separate functional modules: URL monitoring, blacklist comparison, whitelist comparison, and access control. Each module performs a specific function independently, making the overall system easier to manage and maintain while providing comprehensive security coverage through the combination of these segmented functions.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12556575B2Website access workflow
Publication Date: 2026.02.17 CITRIX SYSTEMS INC
  • US12556575B2 patent drawing
  • US12556575B2 patent drawing
  • US12556575B2 patent drawing

AI summary

A website access workflow includes receiving, from a browser associated with a user, a Universal Resource Locator (URL) associated with a website; comparing the URL with at least one domain name in a user domain name list associated with the user to determine whether the URL exists in the domain name list; in response to determining that the URL does not exist in the user domain name list, adding the URL to the user domain name list; and in response to a visit count representing a number of visits to the URL by the user being less than a threshold value, causing the browser to display a warning message. In response to receiving, from the browser, a user confirmation that the website is not malicious, the workflow includes sending permission to the browser to access the website using the URL and incrementing the visit count by one.