You can enable the URL filtering feature on the WLAN controller to block or allow access to specific web sites or web pages. 
  
 
	 
		 By configuring the controller, the administrator can create a wireless network SSID and allow or deny access to a category of websites for all users that join this SSID. 
	 
 
	  Follow these steps to enable URL filtering on the controller:
-  
		   In the 
			 Wireless LANs page, from the System tree hierarchy, select the domain, zone or WLAN system for which you want to enable URL. 
		   
		
-  
		   Click 
			 Create. 
		   
		   The 
			 Wireless LANs page appears. 
		   
-  
		   In 
			 Advance Options, select the 
			 Enabled check-box against the 
			 URL Filtering option. 
		   
		   The 
			  URL Filtering Profile field appears. Select a profile from a list of existing URL filtering profiles displayed in the drop-down menu. You can also click 
			  Create to create a new URL filtering profile. 
			  For more information, see 
				Creating a URL Filtering Policy. 
			  Figure 145 
            Enabling URL Filtering   
NOTE  Application rules are applied based on the following priority, and user defined rules take precedence over URL filtering. 
				  
				  - User defined ARC profile 
				  
- URL Filtering 
				  
- ARC 
				  
 
You have enabled URL filtering on the controller.