Web Gateway 7.1.5 Product Guide - McAfee

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3 Proxies and caching Network modes Transparent Router settings Settings for the appliance when running in transparent router mode 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 3-7 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 an appliance never directs data packets, but only filters them. The value is set on a slider scale. Management IP — Source IP address of the appliance that directs data packets in a given high-availaibility configuration 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. Table 3-8 Virtual IPs list Option Definition Virtual IP address Virtual IP address (in CIDR notation) Network interface Network interface on the appliance used for heartbeats under VRRP (Virtual Router Redundancy Protocol) 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 IP spoofing (HTTP, HTTPS) — When selected, the appliance keeps the client IP address that is contained in a client request as the source address and uses it in communication with the requested web server under various protocols The appliance does not verify whether this address matches the host name of the request.. IP spoofing (FTP) — When selected, the appliance communicates with a web server under the FTP protocol in the same way as under the HTTP or HTTPS protocol to perform IP spoofing. Note: For active FTP, this option must be enabled. 50 McAfee Web Gateway 7.1.5 Product Guide
Proxies and caching Network modes 3 Sample configuration – Director and scanning nodes in transparent router mode This section describes a procedure for setting up two appliances in transparent router mode. One of them is configured as a director node that directs data packets, the other as a scanning node that only filters data packets, but does not direct them. Set up a director node To configure an appliance as a director node in transparent router mode, you need to enable this mode and configure network interfaces for inbound and outbound web traffic. The director role is configured by giving the node an appropriate priority value. Complete the following procedure to set up a director node: 1 Go to Configuration | Appliances. 2 On the appliances tree, go to the appliance you want to set up as a director node and select Network. 3 Configure network interfaces as is suitable for your network. You need at least one interface for inbound and one for outbound web traffic. 4 Click Save Changes. You are logged out and logged on to the appliance again. 5 Go to Configuration | Appliances. 6 On the appliances tree, go to the appliance you are setting up as a director node and select Proxies (HTTP(S), FTP, ICAP, and IM). 7 Under Network Setup, select Transparent Router. Note: After selecting this mode, specific Transparent Router settings appear below the Network Setup settings. 8 Set Director priority to a value > 0. 9 Configure proxy ports and port redirects for HTTP and FTP as needed. 10 Configure virtual IP addresses for the inbound and outbound network interfaces, using free IP addresses for this purpose. 11 In the Management IP field, type an IP address for reaching the scanning node. 12 Leave the number under Virtual router ID as it is. 13 From the VRRP interface list, select the interfaces for heartbeats under this protocol. 14 Configure IP spoofing as needed. 15 Click Save Changes. 16 Configure the clients of your network to let them direct their web traffic to the virtual IP addresses you configured for the inbound network interfaces. If you are going to configure another appliance as a director node, be sure to configure the same virtual IP addresses as for the initial director node. The proxy ports and port redirects and the order of the port redirects must also be the same as for that node. McAfee Web Gateway 7.1.5 Product Guide 51
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 and 44: Proxies and caching Network modes 3
Page 45 and 46: Transparent bridge mode Proxies and
Page 47 and 48: Proxies and caching Network modes 3
Page 49: 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
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
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
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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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Web Gateway 7.1.5 Product Guide - McAfee

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