Web Gateway 7.1.5 Product Guide - McAfee

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3 Proxies and caching Common proxy settings ICAP Server Settings for the appliance when running as an ICAP server that modifies requests and responses in communication with ICAP clients Enable ICAP server — When selected, the appliance takes the role of an ICAP server ICAP Port Definition list — List of ports on the appliance that listen to requests from ICAP clients The following table describes the list entries. For information on maintaining a list of this type, see Inline lists. Table 3-11 ICAP Port Definition list Option Definition Listener address Local IP address of the appliance running as an ICAP server and port for requests from ICAP clients Send early 204 responses Wait for complete ICAP request Maximal concurrent REQMOD connections Maximal concurrent RESPMOD connections Web Cache (setting) Setting for enabling the appliance web cache Enable cache — When selected, the web cache is enabled You can then use by an appropriate rule set to control reading from and writing to the cache. For more information, see Web caching. 56 McAfee Web Gateway 7.1.5 Product Guide When selected, the appliance sends 204 responses early to clients before a request is fully transferred Note: Some clients do not support early 204 responses. (The main item does not appear in the table, but is visible in the Add and Edit windows. The following four elements in the table are related to it, specifying when the ICAP server should wait until a request is complete.) Waiting for the complete request can be necessary when clients are not capable of receiving parts of the filtered data in response while other parts of the request are still being sent to the server. The normal behavior for the ICAP server is to try to filter and send back data chunk by chunk to reduce latency time. • Never — When selected, the ICAP server never waits • Only for REQMOD requests — When selected, the ICAP server waits if the mode for modifying requests is used • Only for REQMOD requests — When selected, the ICAP server waits if the mode for modifying requests is used • Always — When selected, the ICAP server always waits Maximum number of connections the ICAP server can use simultaneously when modifying requests Maximum number of connections the ICAP server can use simultaneously when modifying responses Preview size Size (in bytes) of the portion of a request sent by a client to the ICAP server at the beginning of the communication The server asks for more data or lets the rest of the data pass through unmodified. Comment Plain-text comment on the ICAP server port
Proxies and caching Common proxy settings 3 Timeouts for HTTP(S), FTP, ICAP Settings for timeouts on connections under the HTTP(S), FTP, and ICAP protocols Initial connection timeout — Time (in seconds) to elapse before a newly opened connection is closed if no request is received Connection timeout — Time (in seconds) to elapse before a connection is closed if a client or server remains inactive during an uncompleted request communication Client connection timeout — Time (in seconds) to elapse before a connection from the appliance running as a proxy to a client is closed between one request and the next Maximum idle time for unused HTTP server connections — Time (in seconds) to elapse before a connection from the appliance running as a proxy to a server is closed between one request and the next DNS settings Settings for communication with a domain name server IP protocol version preference — Information on the version of the IP protocol that is used for the communication • (Version options:) • Same as incoming connection — When selected, the protocol version is used that is already in use on the incoming connection • IP4 — When selected, version 4 of the IP protocol is used • IP6 — When selected, version 6 of the IP protocol is used • Use other protocol version as fallback — When selected, the other protocol version is used if one of the two versions is not available Minimal TTL for DNS cache — Minimum time (in seconds) to elapse before data stored in the cache is deleted Maximal TTL for DNS cache — Maximum time (in seconds) to elapse before data stored in the cache is deleted Yahoo Settings for instant messaging under the Yahoo! ® protocol Enable Yahoo proxy — When selected, the appliance runs as a proxy for instant messaging under the Yahoo protocol Listener address — IP address of the proxy and number of the port for listening to client requests Support file transfer over 0.0.0.0:80 — When selected, requests for file transfers can use this IP address and port Login server — Host name and port number of the server that users log on to before sending requests Relay server (Japan)— Host name and port number of the server used as a relay station when transferring files Yahoo client connection timeout — Time (in seconds) to elapse before an inactive connection from the appliance running as a proxy to a client is closed Yahoo server connection timeout — Time (in seconds) to elapse before an inactive connection from the appliance running as a proxy to a server is closed McAfee Web Gateway 7.1.5 Product Guide 57
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Product Guide McAfee ® version 7.1
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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 49 and 50: Transparent router mode Proxies and
Page 53 and 54: Common proxy settings Proxies and c
Page 55: Proxies and caching Common proxy se
Page 59 and 60: 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
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.
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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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700-3299A00
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Web Gateway 7.1.5 Product Guide - McAfee

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