URL categories are classified into user-defined categories and predefined categories. You can use predefined or user-defined URL categories to filter URLs.
This section provides an example for configuring URL category-based URL filtering to control the access to URL of a specific category. The URL category can be either a predefined category of the FW or a user-defined category.
This section provides an example for configuring URL category-based URL filtering to control the access to URL of a specific category. The URL category can be either a predefined category of the FW or a user-defined category.
For certain types of URL packets, the device can change the DSCP values in the packets, so that other network devices can distinguish between the packets based on the changed DSCP values and take a specified action on each URL category.
The FW and Huawei security center (isecurity.huawei.com) provide the function of querying URL category information. You can enter a URL to query its category.