Block Facebook Chat using App Control Advanced
Description
This article covers how to block Facebook chat using App Control Advanced.
Resolution
1. Login to the SonicWall Management GUI.
2. Navigate to the Firewall | App Control Advanced page. In Gen5 TZ devices this page is under Security Services | App Control
3. Check the box under Enable App Control and click on the Accept button at the top to enable App Control.
4. Under App Control Advanced | View Style, select SOCIAL NETWORKING under Category.
5. Select Facebook under Application; select Signature under Viewed By to list the signatures available for Facebook. 
6. Click on the configure button under Message Activity 07 to open.
Enabling Application Control on zones
- Navigate to Network | Zones
- Click on the configure button under the zone where you want to enable App Control.
- Check Enable App Control Service.
- Click on OK to save.
Testing
Before testing, clear the cache of the host browser. Login to Facebook.com. Chat panel would be greyed-out. Clicking on a contact name would open a separate chat window. However, the user will be not able to transmit the chat message due to the above measure.