Web Gateway 7.1.5 Product Guide - McAfee

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3 Proxies and caching Network modes Proxy HA Settings for the appliance when running as a proxy in a high-availability configuration Port Redirects — List of ports that requests sent by users are redirected to The following table describes the list entries. For information on maintaining a list of this type, see Inline lists. Table 3-4 Port Redirects list Option Definition Protocol name Name of the protocol used for data packets coming in when a user sends a request Original destination ports Ports that redirected data packets were originally sent to Destination proxy port Port that data packets sent to the above ports originally are redirected to Comment Plain-text comment on the port Director priority — Priority (ranging from 0 to 99) an appliance takes in directing data packets The highest value prevails. 0 means the appliance never directs data packets, but only filters them. In a high-availability configuration, two appliances are typically configured as director nodes with a priority higher than zero to direct data packets, providing fail-over functions for each other. The remaining nodes are configured with zero priority (also known as scanning nodes). The priority value is set on a slider scale. Management IP — Source IP address of the appliance that directs data packets when sending heartbeat messages to other appliances Virtual IPs — List of virtual IP addresses The following table describes the list entries. For information on maintaining a list of this type, see Inline lists. F Table 3-5 Virtual IPs list Option Definition Virtual IP address Virtual IP address (in CIDR notation) Network interface Network interface on the appliance that data packets with the virtual IP address are routed through Comment Plain-text comment on the virtual IP address Virtual router ID — ID of a virtual router VRRP interface — Network interface on the appliance for sending and receiving heartbeat messages Configure the appliance as a proxy on a client This section tells you how to configure the appliance as a proxy on each of its clients, so that they direct their web traffic to it. You need to do this when running the appliance in explicit proxy mode. 1 From the menu system of the client browser, select the Network/Connection tab. 2 On this tab, add an HTTP, HTTPS, or FTP proxy, according to the protocol you want to use for communication between the client and the appliance. 3 Configure an IP address and port number for connecting to the appliance. Use the values configured during the initial setup of the appliance. Note: If you use the Microsoft Internet Explorer on your clients and a Windows Active Directory to administer them, you can configure the appliance as a proxy on all your clients in a single procedure. 44 McAfee Web Gateway 7.1.5 Product Guide
Transparent bridge mode Proxies and caching Network modes 3 This section explains the transparent bridge mode and tells you how to configure it on the appliance. In this mode, the clients of the appliance are unaware that they are connected to it. They need not be configured to direct their web traffic to the appliance. The appliance is placed between a firewall and a router, where it serves as an (invisible) bridge. The following diagram shows a configuration in transparent bridge mode: Figure 3-2 Transparent bridge mode Configure the transparent bridge mode This section tells you how to configure the transparent bridge mode for the appliance. 1 Go to Configuration | Appliances. 2 On the appliances tree, go to the appliance you want to configure the transparent bridge mode for and select Proxies (HTTP(S), FTP, ICAP, and IM). 3 Under Network Setup, select Transparent Bridge. Note: After selecting this mode, specific Transparent Bridge settings appear below the Network Setup settings. 4 Configure specific and common settings for this mode as needed. 5 Click Save Changes. For more information, see Transparent Bridge settings and Common proxy settings. For a sample configuration, see Sample configuration – Director and scanning nodes in transparent bridge mode. McAfee Web Gateway 7.1.5 Product Guide 45
Page 1 and 2: Product Guide McAfee ® version 7.1
Page 3 and 4: Contents Preface 9 About this guide
Page 5 and 6: Contents Standard authentication .
Page 7 and 8: Contents Create an error handler .
Page 9 and 10: Preface About this guide This Produ
Page 11 and 12: Table i-2 Acronyms (continued) Acro
Page 13 and 14: 1 Introduction Contents Comprehensi
Page 15 and 16: Deployment of the McAfee Web Gatewa
Page 17 and 18: 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: Proxies and caching Network modes 3
Page 47 and 48: Proxies and caching Network modes 3
Page 49 and 50: Transparent router mode Proxies and
Page 51 and 52: Proxies and caching Network modes 3
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
Page 71 and 72: Proxies and caching Providing proxy
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
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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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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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