This guide is intended to help System Administrators resolve common problems and implement complex features. This guide contains information gathered from Check Point Technical Support's real-world experience in assisting customers. Each chapter was written by a specialist in the particular area. The Advanced Technical Reference Guide does not duplicate the User Guides or Courseware. It expands on information found in the User Guides and Courseware, and provides additional key information. The Guide is current to VPN-1/FireWall-1 NG with Application Intelligence.