Firewall Notification via Proxy-Injected Browser Frame
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Solution Overview
Problem
Existing firewalls do not provide adequate feedback to end users when blocking access to content, leading to confusion between application-related errors, network connectivity issues, and firewall actions, lacking transparency in informing users about events or violations.
Innovation Solution
A method and system where a filtering device, such as a firewall, receives and evaluates requests from client applications, determines whether to block or allow them based on policies, and notifies users through a predefined message displayed within the application, providing information on blocked content, including reasons and categories, using a proxy-injected frame within a web browser or other applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a firewall blocks requests based on policies, then network security is improved, but user feedback and transparency deteriorate
Solution Approach 1:
The patent implements a notification system that provides feedback to users when their requests are blocked by the firewall. The system captures blocked request information and displays it through various channels including in-application notifications, toolbar messages, and email alerts, ensuring users receive timely feedback about why their requests were denied while maintaining security policies.
Solution Approach 2:
The patent introduces an intermediary notification component that sits between the firewall and the user. This intermediary captures the firewall's blocking decisions and translates them into user-friendly notifications, mediating the communication between the security system and end users without compromising either security or user experience.
2Device complexity
If a firewall blocks requests without notification, then device complexity is reduced, but user confusion increases
Solution Approach 1:
The notification system is designed to automatically generate and deliver notifications without requiring additional user action or system configuration. Once the firewall blocks a request, the system autonomously captures the event, formats the notification, and delivers it through appropriate channels, making the complexity management self-contained while improving user understanding.
3Loss of information
If real-time notifications are provided to users, then user awareness is improved, but system resource consumption increases
Solution Approach 1:
The notification system dynamically adjusts its behavior based on system conditions and user preferences. It can switch between synchronous real-time notifications and asynchronous delayed notifications, and can adjust notification frequency and channels based on system resource availability and user configuration, optimizing the balance between user awareness and resource consumption.
Data Source
AI summary
Systems and methods are provided for notifying users within a protected network about various events and information. According to one embodiment, a method includes receiving, by a filtering device, a request originated by an application running on a client device. The method further includes making a determination, by the filtering device, whether the request is to be blocked or allowed, based on the one or more policies. If the request is to be blocked, a notification is provided to a user of the client device regarding the determination by causing the application to display a predefined message.