Parameterized Filter Instances for Application Server Security
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Solution Overview
Problem
Existing systems face challenges in providing tailored authentication and authorization for multiple web-based applications running on different virtual machines, as conventional filters are typically application-specific and require separate installations, leading to inefficiencies in managing security policies across diverse applications.
Innovation Solution
The method involves instantiating multiple filter instances for each application using a single configuration file, allowing for application-specific security policy enforcement and authentication, with an agent intercepting requests and replicating filter instances on different virtual machines to manage varying security requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate filters are installed for each application to provide tailored authentication and authorization, then application-specific security policies can be enforced, but device complexity and management overhead increase
Solution Approach 1:
The patent implements a universal filter framework where a single filter class can serve multiple applications through parameterization. The filter accepts configuration parameters that define application-specific security policies, allowing one filter implementation to enforce different authentication and authorization rules across diverse applications without requiring separate filter installations for each application.
Solution Approach 2:
The filter's behavior is dynamically adjusted by changing its parameters rather than installing different filters. The system modifies filter parameters (such as authentication mechanisms, authorization rules, and security policies) based on the target application, enabling tailored security enforcement through parameter configuration rather than structural duplication.
2Adaptability or versatility
If an agent is installed for each application to provide necessary policy validations and user authentication, then application-specific authentication can be provided, but the number of agents and system resources increase
Solution Approach 1:
The patent employs a single agent that can serve multiple applications by configuring it with different filter parameters. Instead of installing a separate agent for each application, the same agent is reused and configured to provide authentication and policy validation services tailored to each application's specific requirements, thereby reducing the total number of agents needed.
Solution Approach 2:
Rather than copying entire agents for each application, the system creates parameterized instances of the filter within the single agent framework. This allows the agent to replicate filter behavior for different applications through parameter configuration rather than full agent duplication, reducing resource consumption while maintaining application-specific functionality.
3Reliability
If conventional filters are used with proprietary security implementations, then user authentication can be performed, but flexibility in integrating with different identity servers and security protocols is limited
Solution Approach 1:
The filter framework allows dynamic configuration of security parameters to adapt to different identity servers and authentication protocols. By changing filter parameters such as authentication mechanisms, protocol types, and server endpoints, the system can integrate with various security implementations while maintaining reliable user authentication functionality across different environments.
Solution Approach 2:
The patent creates a universal filter design that can interface with multiple identity servers and security protocols through a single implementation. The filter's parameterized structure enables it to perform authentication against different security implementations (e.g., LDAP, Active Directory, SAML, OAuth) without requiring separate proprietary filter code for each protocol or server type.
Data Source
AI summary
A method for processing a first request including receiving the first request, determining a first application associated with the first request, determining a first filter instance parameter associated with the first application, instantiating a first filter instance using the first filter instance parameter, and processing the first request using the first filter instance.