List of HTTP Inspection Filters

HTTP > HTTP Inspection > Filters

The HTTP Inspection filters provide a general way to identify Web traffic. It allows for the creation of filtering conditionals using the following components:

• URL Host

• URL Path

• URL Query

• HTTP Header

• HTTP Method

Default filters for HTTP Inspection provide filtering for common scenarios, such as blocking social networking services (SNS) uploads or regulating Web access through the use of certain types of browsers.

Default filters include:

• Browser-type filter—Identifies requests sent from the FireFox browser according to the user-agent header

• Large data download filter—Identifies large file downloads according to the content-length header

• Large data upload filter—Identifies large file uploads according to the content-length header

• Search engine keyword filter—Identifies sensitive keyword querying using Google, Baidu, etc.

• SNS site post filter—Identifies post request (including message posts and video file uploads) for the top three sites: Facebook, YouTube, and Twitter. Additional sites can be added by the administrator as needed.

• WebDAV traffic filter—Identifies WebDAV special request methods PROPFIND, PROPMATCH, MKCOL, COPY, and MOVE

• Web file upload filter—Identifies web file uploads (like BBS or Webmail file uploads) according to the content-type header

See the table below for the default filter settings.

Admins can make minor adjustments to the default or pre-defined filters to obtain the control capabilities needed.

• Add—Opens the Add Filter wizard that will take you through the steps of defining a new filter

• Delete—Allows you to delete a filters

• Import—Allows you to import custom filters created elsewhere or by technical support

• Export—Allows you to export existing filters

Matrix of Default HTTP Inspection Filter Settings

See also:

• Add a basic HTTP Inspection filter

• Add an advanced HTTP Inspection filter

• Edit an HTTP Inspection filter

• Import a Filter

• Export a Filter