Use of this product and this manual is subject to license. Information in this document is subject to change without notice. Trademarks Barracuda NG Firewall is a trademark of Barracuda Networks. All other brand and product names mentioned in this document are registered trademarks or trademarks of their respective holders. Barracuda NG Network Access Client Chapter 1 - Introduction . . . . . . . . . . . . . . . . . . . . . . . . .4 Endpoint Security and Network Access Control. . . . . . . . . .