Web Gateway 7.1.5 Product Guide - McAfee

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8 Monitoring Transferring data to an ePO server ePolicy Orchestrator system settings The ePolicy Orchestrator system settings can be configured to allow the transfer of McAfee ePO data. Note: These settings are configured on the Appliances tab of the Configuration top-level menu. ePolicy Orchestrator Settings Settings for transferring data to a McAfee ePO server ePO user account — User name of the user who is authorized to retrieve McAfee ePO data on the appliance Password, Repeat password — For the user retrieving the data Enable data collection for ePO — When selected, data for the McAfee ePO server is collected on the appliance Data collection interval in minutes — Time (in minutes) to elapse between data collections The range is between 10 minutes and 6 hours. Bypass ePO Requests This section describes a library rule set that lets requests from a McAfee ePO server to connect to the appliance bypass the filtering process. For general information on understanding and handling rules, see Rules and rule sets. Library rule set — Bypass ePO requests Criteria — Command.Name equals “CONNECT” Cycles — Requests (and IM) The rule set criteria specifies that the rule set applies when the SSL-secured communication between the McAfee ePO server and the appliance begins with a request from the server to connect to the appliance. The rule set contains the following rule: Skip subsequent rules for ePO requests URL.Host equals “127.0.0.1” OR URL.Host equals “[::1]” –> Stop Cycle – Enable SSL Client Context Enable SSL Scanner The rule uses the URL.Host property to identify the host of a requested URL, based on the IP address of the host. If this address is 127.0.0.1, the host of the requested URL is the appliance. When the McAfee ePO server sends a request to connect to the appliance, it uses this address. So if 127.0.0.1 is the requested address, the rule applies and stops all further processing in the request cycle. This way the CONNECT request is allowed to pass through. The next step in this process is sending and verifying certificates. The rule includes an event to enable the sending of a client certificate that is issued by the default certificate authority. You can modify the event settings to have the certificate issued by another authority. The rule also includes an event to enable verification of the certificate sent by the McAfee ePO server without using the EDH (Ephemeral Diffie-Hellman) method, which is the appropriate procedure for this server. When certificate verification has been completed, the SSL-secured communication can go ahead. 302 McAfee Web Gateway 7.1.5 Product Guide
Event monitoring with SNMP Monitoring Event monitoring with SNMP 8 Events on the McAfee Web Gateway appliance can be monitored under SNMP (Simple Network Management Protocol). This section tells you what you need to configure on the appliance for this monitoring option. The monitoring is done by an SNMP client that communicates with an SNMP agent, which is provided on the appliance. When SNMP monitoring is configured, you can view system information on the appliance and have messages sent about particular system events or incidents, for example, when CPU usage exceeds a particular value. Messages sent under the SNMP protocol are known as traps. The host systems that messages are sent to are known as trap sinks. Configure SNMP monitoring To configure SNMP monitoring: 1 Go to Configuration | Appliances. 2 On the appliances tree, navigate to the appliance you want to monitor events on and select SNMP. 3 Configure the SNMP settings as needed. • SNMP port settings — Settings for the ports on the appliance that listen to requests from the SNMP client • SNMP system information — Information on the appliance that is the monitored system • SNMP protocol options — Options for the communication between the appliance and the client • SNMP trap sinks — Information on the host systems that traps are sent to 4 Click Save Changes. For more information, see SNMP system settings. SNMP system settings The SNMP system settings can be configured to allow event monitoring under SNMP. Note: These settings are configured on the Appliances tab of the Configuration top-level menu. SNMP Port Settings Settings for the port listening to requests from the SNMP client Enable UDP — When selected, allows UDP to be used to communicate with the SNMP client UDP port — Port listening to requests under UDP Enable TCP — When selected, allows TCP to be used to communicate with the SNMP client TCP port — Port listening to requests under TCP SNMP System Information Settings for the appliance that is the monitored system Description — Helps identify the system Object ID — ID of the object in the Management Information Base (MIB) where information on the monitored system begins Contact person — Mame of the person administering the SNMP functions of the system Physical location — Location of the system McAfee Web Gateway 7.1.5 Product Guide 303
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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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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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Page 297 and 298: Performance measurement Monitoring
Page 299 and 300: Monitoring Performance measurement
Page 301: Transferring data to an ePO server
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Page 315 and 316: 9 Troubleshooting Contents Troubles
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Page 319 and 320: List of actions Appendix: Configura
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Page 323 and 324: Table A-3 List of events (continued
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Page 327 and 328: List of incident IDs Appendix: Conf
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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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