Web Gateway 7.1.5 Product Guide - McAfee

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8 Monitoring Logging • Found viruses log — Stores log files that record the names of viruses and other malware that were found to infect requested objects The log also records date and time, user name, IP address of the client a request was sent from, requested URL. • Incident logs — A number of logs for storing log files that record incidents concerning various functions, such as licensing, monitoring, or updates To these default logs, you can add logs that you have created yourself. View log files The log files that exist on the appliance can be viewed on its user interface. To view log files on the appliance: 1 Select the Troubleshooting top-level menu. 2 On the appliances tree, go to the appliance you want to view log files for and select Log Files. A list of log file folders appears. 3 Double-click the folder or subfolder with the log files you want to view. The folder opens to display its log files. 4 Select the log file you want to view and, on the toolbar above the list, click View. Log file handling using rules When log files use rules, they have their entries written by events of those rules. If a logging rule applies, one event sets the parameter values that are recorded, another writes these values into a log file. The log for this file is specified by the settings of the write event. These settings include also options for configuring log file rotation, deletion, and pushing. So, when handling log files using rules, you need to take care of the following: • Logging rules — Rules including the criteria and events that write log file entries when the criteria are matched • Logging rule sets — Rule sets containing logging rules These rule sets are nested on the appliance in top-level rule sets known as log handlers. A Default log handler is provided after the initial setup. • Logging event settings — Settings that specify the log for the log files and measures, such as rotation, deletion, and pushing The log and the measures are handled by a particular module (or engine) on the appliance. By default, this is the File System Logging engine. If you want to use log files of your own, you need to configure all these items in an appropriate way. For more information, see Use self-configured log files. 278 McAfee Web Gateway 7.1.5 Product Guide
Sample logging rule Monitoring Logging 8 This section explains a sample logging rule. The rule is taken from the Found Viruses Log rule set, which is provided on the appliance by default. Note: The rule is shown in a notation that comes close to the one used on the user interface. Name Write Found Viruses Log Criteria Action Events Antimalware.Infected equals true –> Continue — Set User-Defined.LogLine = + DateTime.ToWebReporterString + “ ”” + Authentication.Username + “ ” + String.ReplaceIf Equals (IP.ToString. (Client.IP), “”, “-”) + ““ ”” + List.OfString.ToString (Antimalware. VirusNames) + ““ ”” + URL + ““” The rule applies when a requested object has been found to be infected. The rule then triggers two events, one to set parameter values, including the names of the found viruses and malware items and related information, and another to write an entry with these values into a log file. The elements of this rule have the following meanings: • Criteria — Antimalware.Infected equals true The criteria of the rule uses the Antimalware.Infected property. It is matched when it has the value true. This means that the rule applies when a filtered object is infected. • Action — Continue When it applies, the rule triggers the Continue action. This action lets processing continue with the next rule after the events of the current rule have been executed. • Events — When it applies, the rule also triggers two events: • Set User-Defined.logLine = ... — Sets the parameter values that are logged, including: • DateTime.ToWebReporterString — Date and time in Web Reporter format of the request for the object that was found to be infected The value is converted into a string before being logged. • Authentication.Username — Name of the authenticated user who requested the object • String.ReplaceIf Equals (IP.ToString. (Client.IP), “”, “-”) — IP address of the client the request was sent from The address is converted into a string. FileSystemLogging.WriteLogEntry (User-Defined.logLine) McAfee Web Gateway 7.1.5 Product Guide 279
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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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LDAP Settings specifying the LDAP m
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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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Page 299 and 300: Monitoring Performance measurement
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Page 305 and 306: Error handling Table 8-7 Trap Sinks
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Table A-4 List of incident IDs (con
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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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