1. Overview . 3 1.1 Release Notes . 4 1.1.1 Barracuda Web Security Gateway Web Application Definitions Release Notes . 17 1.2 Deployment Options . 18 1.2.1 Inline Pass-Through (Transparent) Mode Deployment . 19 1.2.2 Forward Proxy Deployment of the Barracuda Web Security Gateway . 21 1.2.3 High Availability - Clustering the Barracuda Web Security Gateway . 23 1.2.3.1 Linked Management Versus Barracuda Cloud Control . 25 1.2.4 Inline Pass-through With Pre-existing Proxy Deployment . 27 1.2.5 Connecting Inline to your Network with a Pre-existing Proxy Server . 28 1.2.6 Deploying the Barracuda Web Security Gateway with a Peer Proxy . 30 1.2.7 Policy-Based Routing . 31 1.2.8 Source-Based Routing . 35 1.2.9 Dual Bridge Deployment 7.0 . 36 1.2.10 VLAN Deployments . 37 1.2.11 Virtual Deployment . 40 1.2.11.1 How to Deploy Barracuda Web Security Gateway Vx Images . 41 1.2.11.2 Allocating Cores, RAM, and Hard Disk Space for Your Barracuda Web Security Gateway Vx . 44 1.2.11.3 Barracuda Web Security Gateway Vx Quick Start Guide . 46 1.2.11.4 Directing Traffic to the Barracuda Web Security Gateway Vx . 48 1.2.11.5 Backing Up Your Virtual Machine System State . 49 1.2.12 WCCP Deployment . 50 1.2.12.1 WCCP Deployment With the Cisco ASA . 54 1.2.13 Proxying Web Traffic Using a PAC File . 56 1.2.14 Filtering Traffic for Offsite and Mobile Users . 58 1.2.14.1 Release Notes - Barracuda Web Security Agent for Macintosh . 59 1.2.14.2 Release Notes - Barracuda Web Security Agent for Windows . 61 1.2.14.3 Barracuda Safe Browser Setup Guide - With Barracuda Web Security Gateway . 65 1.2.14.4 How to Get and Configure the Barracuda Chromebook Security Extension . 67 1.2.14.5 How to Troubleshoot the Barracuda Chromebook Security Extension . 76 1.2.15 How to Load Balance Barracuda Web Security Gateway With the Barracuda Load Balancer ADC . 78 1.2.16 How to Configure a Transparent Redirection from a Barracuda NextGen Firewall F-Series . 79 1.3 Getting Started . 84 1.3.1 Step 1 - Network Considerations . 85 1.3.1.1 Using Static Routes . 87 1.3.2 Step 2 - Installation . 88 1.3.3 Step 3 - Configure the Barracuda Web Security Gateway . 91 1.3.4 Step 4 - Configure and Secure the Web Interface . 94 1.3.5 Step 5 - Connect the Barracuda Web Security Gateway to Your Network . 96 1.3.6 Barracuda Web Security Gateway 30 Day Evaluation Guide . 98 1.4 Securing the Barracuda Web Security Gateway . 100 1.5 Managing Policies . 101 1.5.1 Best Practices in Configuring Policy . 102 1.5.2 BLOCK/ACCEPT Order of Precedence - Barracuda Web Security Gateway . 105 1.5.3 Block Messages . 106 1.5.4 Block Pages, SSL Inspection and HTTPS Filtering . 108 1.5.5 Using Custom Categories . 109 1.5.6 Typosquatting Protection . 110 1.5.7 Web and Desktop Application Control . 112 1.5.8 How to Configure Web Application Monitoring version 6.x - 7.x . 114 1.5.9 Exception Policies Version 7 and Above . 117 1.5.10 Policy Rule Checking . 120 1.5.11 Barracuda Web Security Gateway for Education . 121 1.5.11.1 How to Configure Dropbox Business Support . 123 1.5.12 How to Restrict YouTube Content On Your Network . ..