Module 7: Advanced application and web filtering. This module explains how application and Web filtering can be used for very specific filtering of traffic that flows through the ISA Server. The module shows how to configure application and Web filtering to provide advanced protection for the internal network. | Module 7: Advanced Application and Web Filtering Overview Advanced Application and Web Filtering Overview Configuring HTTP Web Filters Additional Application and Web Filters Lesson: Advanced Application and Web Filtering Overview What Is an Application Filter? What Is a Web Filter? Why Use Application and Web Filters? Application and Web Filter Architecture What Is an Application Filter? Application filters can: Enable firewall traversal for complex protocols Enable protocol-level intrusion detection Enable protocol-level content filtering Generate alerts and log events ISA Server Application Server What Is a Web Filter? Web filters can: Scan and modify HTTP requests Scan and modify HTTP responses Block specified responses Log and analyze traffic Encrypt and compress data Implement custom authentication schemes ISA Server Web Server Why Use Application and Web Filters? Application and Web filters provide: Protection against malicious code by blocking packets that have worm or virus characteristics Protection against user actions by blocking the download of harmful programs or ensuring that some types of data do not leave the network Protection against specific network connections by blocking connection attempts by specific applications Integration with third-party or custom filters that have been developed using the application filter API or the Web filter API Web Proxy Filter Web Filter API Application Filter API Application and Web Filter Architecture Rules Engine 3 Application Filters Web Filters Firewall Service Firewall Engine 2 1 4 Lesson: Configuring HTTP Web Filters HTTP Web Filtering Overview How to Configure HTTP Web Filter General Properties How to Configure HTTP Web Filter Methods How to Configure HTTP Web Filter Extensions How to Configure HTTP Web Filter Headers How to Configure HTTP Web Filter Signatures How to Identify an HTTP Application Signature Best Practice: HTTP Filter Configuration for Web Publishing HTTP Web Filtering Overview Use HTTP . | Module 7: Advanced Application and Web Filtering Overview Advanced Application and Web Filtering Overview Configuring HTTP Web Filters Additional Application and Web Filters Lesson: Advanced Application and Web Filtering Overview What Is an Application Filter? What Is a Web Filter? Why Use Application and Web Filters? Application and Web Filter Architecture What Is an Application Filter? Application filters can: Enable firewall traversal for complex protocols Enable protocol-level intrusion detection Enable protocol-level content filtering Generate alerts and log events ISA Server Application Server What Is a Web Filter? Web filters can: Scan and modify HTTP requests Scan and modify HTTP responses Block specified responses Log and analyze traffic Encrypt and compress data Implement custom authentication schemes ISA Server Web Server Why Use Application and Web Filters? Application and Web filters provide: Protection against malicious code by blocking packets that have worm or virus .
