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Barracuda admin guide Barracuda Web Filter Administrator ? s Guide Version Barracuda Networks Inc S WInchester Blvd Campbell CA http www barracuda com CCopyright Notice Copyright - Barracuda Networks www barracuda com v - - - All rights reserved Use of th

Barracuda Web Filter Administrator ? s Guide Version Barracuda Networks Inc S WInchester Blvd Campbell CA http www barracuda com CCopyright Notice Copyright - Barracuda Networks www barracuda com v - - - All rights reserved Use of this product and this manual is subject to license Information in this document is subject to change without notice Trademarks Barracuda Web Filter is a trademark of Barracuda Networks Inc All other brand and product names mentioned in this document are registered trademarks or trademarks of their respective holders Barracuda Web Filter Administrator ? s Guide CAdministrator ? s Guide Contents Chapter ?? Introduction Overview Spyware-blocking techniques Content- ?ltering techniques User and group-based policy control Application-blocking techniques Energize Updates minimize administration and maximize protection Deploying the Barracuda Web Filter Inline pass-through transparent mode Forward proxy Chapter ?? Installation and Con ?guration Network considerations Routers External DNS Internal DNS Enterprise class Layer switch VLANS VPN concentrators Firewall DMZ Internal servers Cache QoS packet recon ?guration Quality of Service packet shapers Mounting and cabling considerations Installing and con ?guring the Barracuda Web Filter Step Verify that you have the necessary equipment Step Install the Barracuda Web Filter Step Con ?gure the Barracuda Web Filter IP and network settings Step Con ?gure your corporate ?rewall Step Con ?gure the Barracuda Web Filter Step Update the Barracuda Web Filter ?rmware Step Verify your subscription status Step Update the de ?nitions Step Integrate the Barracuda Web Filter into your network Step Test and adjust the Barracuda Web Filter Connecting the Barracuda Web Filter to your network Advanced installation topics Inline pass-through with pre-existing proxy deployment Supported pre-existing proxy types Connecting inline to your network with a pre- existing proxy server Chapter ?? Con ?guring Monitoring and Managing the Barracuda Web Filter Con ?guring the Barracuda Web Filter Con ?guring system IP information CBarracuda Web Filter Release Setting up linked management Data propagated to the linked systems Switching a system to standby mode Controlling access to the Web interface Customizing the appearance of the Web interface Changing the language of the Web interface Setting the time zone of the system Enabling and disabling virus protection Enabling and disabling Web caching Setting up a syslog server to centrally monitor system logs Creating block and accept ?lters Best practices Filtering and blocking features Content ?ltering Application ?ltering Domain ?ltering URL pattern ?ltering Custom categories ?ltering MIME type blocking IP-based ?ltering IP-based exemption from ?ltering and blocking Block messages About the Barracuda Spyware Removal Tool Enabling the Barracuda Spyware Removal Tool Exception policies HTTPS ?ltering option Scope of HTTPS tra ?c ?ltering Limitations for HTTPS tra ?c ?ltering To enable the HTTPS tra ?c- ?ltering option Testing Web site access Monitoring the Barracuda Web Filter Viewing performance statistics Understanding the indicator lights Viewing the tra ?c log Viewing the application log Viewing the warned activity list Automating the delivery of system alerts and noti ?cations Generating system reports Viewing a list of infected clients Viewing system tasks Managing the Barracuda Web