Web Gateway 7.1.5 Product Guide - McAfee

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7 System configuration Database updates Schedule automatic engine updates This section tells you how to schedule automatic updates of database information for the modules of the appliance. If you want to run multiple appliances in a central management configuration, you can schedule these updates when you set up the configuration. Complete the following procedure to schedule automatic engine updates: 1 Go to Configuration | Appliances. 2 On the appliances tree, navigate to the appliance you want to schedule automatic updates for and select Central Management Configuration. 3 Scroll down to Automatic Engine Updates and configure update settings as needed. • Enabling of automatic updates — To make sure updates can happen automatically on an appliance at all • Sources of the updates — These can be external databases on the internet. In a Central Management configuration, these can also be other nodes. • Update intervals — With a special setting for updating certificate revocation lists (CRLs) • Use of update proxies — To enable a fail-over when systems become unavailable • Advanced update settings — For the upload of updated information from one node to others in a Central Management configuration and other functions 4 Click Save Changes. Automatic Engine Updates system settings The Automatic Engine Updates settings are for scheduling automatic updates of database information for modules used in the filtering process. Note: These settings are configured on the Appliances tab of the Configuration top-level menu. Enable automatic updates — When selected, database information is automatically updated Allow to download updates from the internet — When selected, database updates are downloaded from the internet Allow to download updates from other nodes — When selected, database updates are downloaded from other nodes in a Central Management configuration Update interval — Time (in minutes) to elapse before database information is again updated The time is set on a slider scale. Note: The range of allowed values is 15 to 360. CRL update interval — Time (in hours) to elapse before certificate revocation lists used in filtering SSL-secured web traffic are updated This update uses a method that differs from those of other updates and must therefore be configured separately. The time is set on a slider scale. Note: The range of allowed values is 3 to 168. Enable update proxies — When selected, proxy servers are used for routing updated database information 258 McAfee Web Gateway 7.1.5 Product Guide
System configuration Database updates 7 Update proxies (fail over) — List of proxy servers used for routing updated database information The proxy servers are used in fail-over mode. The first server on the list is tried first and only if the configured timeout has elapsed is the next server tried. The following table describes the list entries. For information on maintaining a list of this type, see Inline lists. Table 7-14 Update Proxies list Option Definition Host Host name or IP address of the server that is used as proxy for routing updates Port Port on the proxy that listens for update requests User User name of the user who is authorized to request updates that use the proxy Password Password of this user Comment Plain-text comment on the proxy Advanced Settings Settings for advanced update functions Allow to upload updates to other nodes — When selected, updated database information can be uploaded from the appliance (as a a node in a central management configuration) to other nodes The first time an update starts, it should wait an appropriate time before starting — Time (in seconds) to elapse before an update is started Note: The range of allowed values is 5 to 1200. The first time an automatic update starts, it uses the startup interval to update — Time (in seconds) to elapse between attempts to start an automatic update for the first time During an update, the coordinator subsystem, which stores updated information on the appliance, tries to connect to the appliance core, where the modules reside that use this information. A low value for this interval can therefore speed up updates because it reduces the time the coordinator might have to wait until the core is ready to receive data. Note: The range of allowed values is 5 to 600. Try to update with start interval — Maximum number of attempts (1 to 9) the appliance makes when trying to start an update Use alternative URL — URL of an update server that is used instead of the default server Verify SSL tunnel — When selected, an option to “tunnel” SSL-secured web traffic is used for updates McAfee Web Gateway 7.1.5 Product Guide 259
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Product Guide McAfee ® version 7.1
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Contents Preface 9 About this guide
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Contents Standard authentication .
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Contents Create an error handler .
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Preface About this guide This Produ
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Table i-2 Acronyms (continued) Acro
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1 Introduction Contents Comprehensi
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Deployment of the McAfee Web Gatewa
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Operating system Introduction Filte
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Introduction Chapters of this guide
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2 Setup and logon Contents Setting
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Setup and logon Setting up the McAf
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Installing the appliance software S
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2 Review the summary that is displa
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Import a license Setup and logon Lo
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Main elements of the user interface
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Setting up system management tools
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Setup and logon Setting up system m
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3 Proxies and caching Contents Inte
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Explicit proxy mode Proxies and cac
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Table 3-1 WCCP Services list (conti
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Proxies and caching Network modes 3
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Transparent bridge mode Proxies and
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Transparent router mode Proxies and
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Common proxy settings Proxies and c
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Proxies and caching Common proxy se
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8 Make sure the following is config
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Proxies and caching Reverse HTTPS p
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Proxies and caching Providing proxy
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Preventing data leaks Proxies and c
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Web caching Proxies and caching Web
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Bypass lists for web caching Proxie
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Verify the enabling of the web cach
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4 Rules and rule sets Contents Filt
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Rules and rule sets Filtering contr
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Modules for delivering filtering in
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Rules on the user interface On the
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Property of a URL Property — URL.
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About rule sets Rules and rule sets
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Rules and rule sets About rule sets
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Table 4-4 Rule set library Rule set
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The Rule Sets toolbar provides the
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Add name, comment, and enabling Com
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Add as many parameters as needed. A
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3 Select Event. The Add Event windo
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Adding the action 9 Select Action.
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Rules and rule sets Rule configurat
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Add a new rule set You can also cre
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List maintenance Rules and rule set
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Add a list Complete the following p
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Action and engine settings Rules an
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Access restrictions Rules and rule
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5 Filtering users Authentication an
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Authentication and access managemen
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LDAP Settings specifying the LDAP m
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Administrator accounts Authenticati
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6 Web filtering Contents Filtering
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Virus and malware filtering Web fil
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Web filtering Virus and malware fil
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Whitelists for virus and malware fi
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Module for virus and malware filter
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URL filtering Web filtering URL fil
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Web filtering URL filtering 6 The B
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Modify a filtering rule to block un
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Web filtering URL filtering 6 Add a
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Module for URL filtering Web filter
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Web filtering URL filtering 6 Advan
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Different versions of URL category
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Web filtering Media type filtering
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Web filtering Media type filtering
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Lists for media type filtering Web
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The rule set contains the following
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Monitoring Error handling 8 Handle
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Monitoring Error handling 8 Block o
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9 Troubleshooting Contents Troubles
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Enable the creation of connection t
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List of actions Appendix: Configura
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Table A-2 List of error IDs (contin
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Table A-3 List of events (continued
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Table A-3 List of events (continued
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List of incident IDs Appendix: Conf
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Wildcard expressions Appendix: Conf
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Table A-6 List of important special
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Table A-7 List of important special
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Index A access restrictions 117 act
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I ICAP server, see proxies ICQ, see
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SNMP monitoring 303 SSL scanning Ce
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