Web Gateway 7.1.5 Product Guide - McAfee

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6 Web filtering URL filtering Rating Settings Settings for retrieving rating information on URLs based on categories and reputation scores Search the CGI parameters for rating — When selected, CGI parameters are included in the search for information CGI (Common Gateway Interface) parameters in a URL trigger scripts or programs when the URL is accessed. Information on CGIs can affect the categorization of a URL. Search for and rate embedded URLs — When selected, embedded URLs are included in the search for information and rated. Information on an embedded URL can affect the categorization of the embedding URL Note: Searching for embedded URLs can reduce performance. Do a forward DNS lookup to rate URLs — When selected, a DNS lookup is performed for a URL that no relevant information has been found for The IP address that was looked up is used for another search. Do a backward DNS lookup for unrated IP-based URLs — When selected, a backward DNS lookup, based on its IP address, is performed for a URL that no relevant information has been found for The host name that was looked up is used for another search. Use the built-in keyword list — When selected, the built-in keyword list is included in the search Only use online GTI web reputation and categorization services — When selected, information on URL categories and reputation scores is only retrieved from the Global Threat Intelligence system Use online GTI web reputation and categorization services if local rating yields no results — When selected, information on URL categories and reputation scores is only retrieved from the Global Threat Intelligence system if the search in the internal database yielded no results Use default GTI server for web reputation and categorization services — When selected, the appliance connects to the default server for retrieving information on URL categories and reputation scores from the Global Threat Intelligence system Note: When this option is not selected, the following options for using a non-default server are accessible. IP of the server — IP address of the server used to connect to the Global Threat Intelligence system when the default server is not used Format: or or Regular IPv6 addresses cannot be specified here. Port of the server — Port number of the port on this server that listens to requests from the appliance Allowed range: 1 – 65535 196 McAfee Web Gateway 7.1.5 Product Guide
Web filtering URL filtering 6 Advanced Settings Advanced settings for the URL Filter module Force rating attempts to run in synchronous mode — When selected, the search is performed in synchronous mode Searching in synchronous mode means that if the Global Threat Intelligence system is involved, the appliance connects to the Global Threat Intelligence server for processing a particular request and does not begin with processing other requests before the server has responded and processing of the first request has been completed. Note: Using this option will reduce performance if the Global Threat Intelligence server is slow in responding. Treat connection problems to the cloud as errors — When selected, problems arising on the connection from the appliance to the Global Threat Intelligence server are logged as errors Properties for error handling are set and eventually rules from an Error Handler rule set are executed. Do a backward DNS lookup also for private addresses — When selected, private IP addresses are included in the backward DNS lookup Excluding these addresses from the lookup leads to an increase in performance for URL filtering. Note: This option is disabled by default. The lookup includes the following types of addresses: • IPv4 • Private addresses • Zeroconf addresses • IPv6 • Link local addresses • Site local addresses • Unique local addresses Proxy Settings Settings for configuring a proxy the appliance can use to connect to the Global Threat Intelligence system Use upstream proxy — When selected, the appliance uses a proxy for connecting to the Global Threat Intelligence server on which lookups for URL category information, also known as “in-the-cloud” lookups, can be performed IP or name of the proxy — IP address or host name of the proxy Port of the proxy — Number of the port on the proxy that listens for lookup requests from the appliance User name — User name for the appliance when logging on to the proxy Password — Password for the appliance Set — Opens a window for setting the password McAfee Web Gateway 7.1.5 Product Guide 197
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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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Module for authenticating users Aut
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LDAP Settings specifying the LDAP m
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Novell eDirectory Settings specifyi
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Kerberos Settings specifying the Ke
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Table 5-8 Certificate Authorities l
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Page 145 and 146: Authentication and access managemen
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Page 169 and 170: 6 Web filtering Contents Filtering
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Page 191 and 192: Modify a filtering rule to block un
Page 193 and 194: Web filtering URL filtering 6 Add a
Page 195: Module for URL filtering Web filter
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Page 201 and 202: Web filtering Media type filtering
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Page 205 and 206: Lists for media type filtering Web
Page 207 and 208: HTML filtering Web filtering HTML f
Page 209 and 210: Web filtering HTML filtering 6 Embe
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Page 213 and 214: Media Type String Blocklist List of
Page 215 and 216: Global whitelists Web filtering Glo
Page 217 and 218: Web filtering SSL scanning 6 Handle
Page 219 and 220: Block untrusted certificate authori
Page 221 and 222: Web filtering SSL scanning 6 Verify
Page 223 and 224: Modules for SSL scanning Web filter
Page 225 and 226: Web filtering SSL scanning 6 SSL Cl
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Page 231 and 232: Bandwidth throttling Web filtering
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Page 235 and 236: Web filtering Supporting functions
Page 237 and 238: User messages Web filtering User me
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Page 245 and 246: 7 System configuration Contents Con
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System settings System configuratio
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Table 7-4 List of sections on syste
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License system settings System conf
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Network Protection system settings
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System configuration System setting
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Database updates Table 7-13 File Ed
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System configuration Database updat
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Configure central management settin
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System configuration Central manage
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Scheduled job settings This section
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System configuration Central manage
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8 Monitoring Contents Monitoring th
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Monitoring Dashboard 8 Overview of
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Charts and Tables tab Monitoring Da
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Table 8-4 Overview of charts and ta
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Logging Monitoring Logging 8 Applia
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Sample logging rule Monitoring Logg
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13 Configure the following for the
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Monitoring Logging 8 4 Go to Policy
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+ Number.ToString (Block.ID) + “
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Create a rule for setting text as t
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Monitoring Logging 8 • In the Con
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Configuring log file settings Monit
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Monitoring Logging 8 Auto Pushing S
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Log handler rule sets Monitoring Lo
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Performance measurement Monitoring
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Monitoring Performance measurement
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Transferring data to an ePO server
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Event monitoring with SNMP Monitori
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Error handling Table 8-7 Trap Sinks
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Rule sets for error handling Monito
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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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Table A-4 List of incident IDs (con
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Table A-5 List of properties (conti
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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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