Web Gateway 7.1.5 Product Guide - McAfee

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3 Proxies and caching Providing proxy auto-configuration files Providing proxy auto-configuration files You can provide one or more proxy auto-configuration (PAC) files on the appliance. Web browsers on the clients can use them to find proxies that enable them to access particular web pages. This section tells you how to make these files available to the client browsers. A proxy auto-configuration file usually has .pac as its file name extension. There can be several of them on the appliance, for example, a proxy.pac and a webgateway.pac. When a proxy auto-configuration file follows the WPAD (Web Proxy Auto-Discovery) protocol, it must have wpad.dat as its file name. Therefore, it can exist on the appliance only once. Make a .pac file available To make a .pac file available to a browser on a client: 1 Store the .pac file in the /opt/mwg/files folder on your appliance. 2 Start the browser and go to the network configuration settings. For example, on a Mozilla Firefox browser, version 3.6, you can find these settings under Edit | Preferences | Advanced | Network. 3 In the Connection section, click Settings. 4 Select Automatic proxy configuration URL, then enter the path and file name for the .pac file, for example, http://mwgappl.webwasher.com:4711/files/proxy.pac. Note: If you want the clients to use a dedicated port for downloading the file, you must first configure this port. If no dedicated port is used, clients are directed to the HTTP port for the user interface (default: 4711, as specified above). 5 Click OK. For more information on configuring a dedicated download port, see File Server system settings. Make a wpad.dat file available When a wpad.dat file is made available to a browser on a client, the browser uses auto-detection to find the host where it is stored. A port forwarding rule enables the browser to go to the appropriate port on this host to download the file. Before you configure this feature, make sure of the following: • The wpad.dat file is stored in the /opt/mwg/files folder on your appliance. • The following has been entered as a DNS host or alias name for the appliance: wpad., for example, wpad.domain.com or wpad.subdomain.domain.com. • [Conditional] If you want the clients to use a dedicated port for downloading the file, you must first configure this port. If no dedicated port is used, clients are directed to the HTTP port for the user interface (default: 4711). For more information on configuring a dedicated download port, see File Server system settings. 70 McAfee Web Gateway 7.1.5 Product Guide
Proxies and caching Providing proxy auto-configuration files 3 Configure a port forwarding rule for downloading a wpad.dat file To enable the download of a wpad.dat file by a client browser, you need to configure a rule that forwards the download request to the appropriate port on the appliance. 1 On the user interface of the appliance, go to Configuration | Appliances. 2 On the appliances tree, go to the appliance the wpad.dat file is made available on and select Port Forwarding. 3 Under Port Forwarding Rules, click Add. The Add AppliancePortForwarding window opens. 4 Configure a port forwarding rule as follows: • Source Host — 0.0.0.0 • Target Port — 80 • Destination Host — 127.0.0.1 • Destination Port — As , enter either the HTTP port for the user interface (default: 4711) or the dedicated port you have configured. 5 Click OK. The window closes and the port forwarding rule is added to the list. Configure auto-detection of a wpad host To let a browser use auto-detection for finding the appliance as the host where a wpad.dat file is stored: 1 Start the browser and go to the network configuration settings. For example, on a Mozilla Firefox browser, version 3.6, you can find these settings under Edit | Preferences | Advanced | Network. 2 In the Connection section, click Settings. 3 Select Auto-detect proxy settings for this network. 4 Click OK. McAfee Web Gateway 7.1.5 Product Guide 71
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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
Page 19 and 20: Introduction Chapters of this guide
Page 21 and 22: 2 Setup and logon Contents Setting
Page 23 and 24: Setup and logon Setting up the McAf
Page 25 and 26: Installing the appliance software S
Page 27 and 28: 2 Review the summary that is displa
Page 29 and 30: Import a license Setup and logon Lo
Page 31 and 32: Main elements of the user interface
Page 33 and 34: Setting up system management tools
Page 35 and 36: Setup and logon Setting up system m
Page 37 and 38: 3 Proxies and caching Contents Inte
Page 39 and 40: Explicit proxy mode Proxies and cac
Page 41 and 42: Table 3-1 WCCP Services list (conti
Page 43 and 44: Proxies and caching Network modes 3
Page 45 and 46: Transparent bridge mode Proxies and
Page 49 and 50: Transparent router mode Proxies and
Page 53 and 54: Common proxy settings Proxies and c
Page 55 and 56: Proxies and caching Common proxy se
Page 61 and 62: 8 Make sure the following is config
Page 63 and 64: Proxies and caching Reverse HTTPS p
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Page 73 and 74: Preventing data leaks Proxies and c
Page 75 and 76: Web caching Proxies and caching Web
Page 77 and 78: Bypass lists for web caching Proxie
Page 79 and 80: Verify the enabling of the web cach
Page 81 and 82: 4 Rules and rule sets Contents Filt
Page 83 and 84: Rules and rule sets Filtering contr
Page 85 and 86: Modules for delivering filtering in
Page 87 and 88: Rules on the user interface On the
Page 89 and 90: Property of a URL Property — URL.
Page 91 and 92: About rule sets Rules and rule sets
Page 93 and 94: Rules and rule sets About rule sets
Page 95 and 96: Table 4-4 Rule set library Rule set
Page 97 and 98: The Rule Sets toolbar provides the
Page 99 and 100: Add name, comment, and enabling Com
Page 101 and 102: Add as many parameters as needed. A
Page 103 and 104: 3 Select Event. The Add Event windo
Page 105 and 106: Adding the action 9 Select Action.
Page 107 and 108: Rules and rule sets Rule configurat
Page 109 and 110: Add a new rule set You can also cre
Page 111 and 112: List maintenance Rules and rule set
Page 113 and 114: Add a list Complete the following p
Page 115 and 116: Action and engine settings Rules an
Page 117 and 118: Access restrictions Rules and rule
Page 119 and 120: 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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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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HTML filtering Web filtering HTML f
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Web filtering HTML filtering 6 Embe
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Break; User-Defined.removeOneScript
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Media Type String Blocklist List of
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Global whitelists Web filtering Glo
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Web filtering SSL scanning 6 Handle
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Block untrusted certificate authori
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Web filtering SSL scanning 6 Verify
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Modules for SSL scanning Web filter
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Web filtering SSL scanning 6 SSL Cl
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8 Click OK. The window closes and t
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The rule set contains the following
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Bandwidth throttling Web filtering
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Next-hop proxies Web filtering Supp
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Web filtering Supporting functions
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User messages Web filtering User me
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The following table describes the o
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Table 6-25 Template Editor (continu
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Web filtering User messages 6 Redir
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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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