Spring Security

  1. Customization and Extensibility
    1. Customizing the `UserDetailsService`
      1. Implementing Custom User Lookup
        1. Database Integration
          1. LDAP Integration
            1. External Identity Provider Integration
              1. Caching User Details
              2. Implementing a Custom `AuthenticationProvider`
                1. Custom Authentication Logic
                  1. Multi-Factor Authentication
                    1. Integrating with Third-Party Systems
                      1. Token-Based Authentication
                        1. Certificate-Based Authentication
                        2. Customizing Authentication Entry Points
                          1. Custom Login Entry Points
                            1. Handling Unauthenticated Requests
                              1. Multiple Entry Points
                                1. Conditional Entry Points
                                2. Customizing Access Denied Handlers
                                  1. Custom Error Responses
                                    1. Logging Access Denials
                                      1. Auditing Access Attempts
                                        1. Custom Error Pages
                                        2. Customizing Authentication Success and Failure Handlers
                                          1. Custom Success Redirects
                                            1. Custom Failure Responses
                                              1. Logging Authentication Events
                                                1. Conditional Handling
                                                2. Adding Custom Filters to the Security Filter Chain
                                                  1. Filter Ordering and Placement
                                                    1. Custom Authentication Filters
                                                      1. Custom Authorization Filters
                                                        1. Request/Response Modification Filters
                                                          1. Use Cases for Custom Filters
                                                          2. Customizing Authorization Decisions
                                                            1. Custom Permission Evaluators
                                                              1. Implementing Domain-Specific Permissions
                                                                1. Object-Level Permissions
                                                                  1. Context-Aware Permissions
                                                                  2. Custom Authorization Managers
                                                                    1. Implementing Authorization Managers
                                                                      1. Registering Custom Managers
                                                                        1. Use Cases and Best Practices
                                                                          1. Combining Multiple Managers
                                                                        2. Event Handling and Auditing
                                                                          1. Authentication Events
                                                                            1. Success Events
                                                                              1. Failure Events
                                                                                1. Custom Event Listeners
                                                                                2. Authorization Events
                                                                                  1. Access Granted Events
                                                                                    1. Access Denied Events
                                                                                    2. Session Events
                                                                                      1. Session Creation Events
                                                                                        1. Session Destruction Events
                                                                                        2. Security Event Publishing
                                                                                          1. Custom Event Publishers
                                                                                            1. Event Processing

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                                                                                        7. Advanced Topics and Integrations

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                                                                                        1. Introduction to Spring Security