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Blue Coat Systems Blue Coat Systems SG Appliance, SGOS Version 5.2.2 manual Appendix A: Glossary

Models: Blue Coat Systems SG Appliance SGOS Version 5.2.2

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Appendix A: Glossary

explicit proxy	A configuration in which the browser is explicitly configured to communicate with
	the proxy server for access to content.
	This is the default for the SG appliance, and requires configuration for both browser
	and the interface card.
extended log file format	A variant of the common log file format, which has two additional fields at the end of
(ELFF)	the line—the referer and the user agent fields.
F
fail open/closed	Failing open or closed applies to forwarding hosts and groups and SOCKS gateways.
	Fail open or closed applies when health checks are showing sick for each forwarding
	or SOCKS gateway target in the applicable fail-over sequence. If no systems are
	healthy, the SG appliance fails open or closed, depending on the configuration. If
	closed, the connection attempt simply fails.
	If open, an attempt is made to connect without using any forwarding target (or
	SOCKS gateway). Fail open is usually a security risk; fail closed is the default if no
	setting is specified.
filtering	See content filtering.
forward proxy	A proxy server deployed close to the clients and used to access many servers. A
	forward proxy can be explicit or transparent.
FTP	See Native FTP; Web FTP.
G
gateway	A device that serves as entrance and exit into a communications network.
H
hardware serial number	A string that uniquely identifies the appliance; it is assigned to each unit in
	manufacturing.
health check tests	The method of determining network connectivity, target responsiveness, and basic
	functionality. The following tests are supported:
	• ICMP
	• TCP
	• SSL
	• HTTP
	• HTTPS
	• Group
	• Composite and reference to a composite result
	• ICAP
	• Websense
	• DRTR rating service

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Blue Coat Systems Blue Coat Systems SG Appliance, SGOS Version 5.2.2 manual Appendix A: Glossary

Contents

SGOS Version Volume 9: Managing the Blue Coat SG ApplianceBlue Coat Systems SG Appliance Sunnyvale, CA Contact InformationBlue Coat Systems Inc 420 North Mary Ave Chapter 3: Maintaining the SG Appliance Contact InformationChapter 1: About Managing the SG Appliance Chapter 2 Monitoring the SG ApplianceChapter 5: Statistics Volume 9: Managing the Blue Coat SG ApplianceChapter 4: Diagnostics Appendix A: Glossary Index Volume 9 Managing the Blue Coat SG Appliance Chapter 2: Monitoring the SG Appliance Chapter 4: Diagnostics Chapter 5: StatisticsChapter 1 About Managing the SG Appliance Document ConventionsVolume 9: Managing the Blue Coat SG Appliance “Configuring Health Monitoring” on page Using Director to Manage SG Systems“Using Director to Manage SG Systems” on page “Configuring SNMP” on pageTo register the appliance with a Director Related CLI Commands for Director RegistrationDirector Registration Requirements Registering the SG Appliance with DirectorTo view the fingerprint of the key To view the system summary statistics Monitoring the System and DisksSystem Summary To delete a keyTo view the system environment statistics Viewing System Environment SensorsVolume 9: Managing the Blue Coat SG Appliance Viewing Disk StatusTo view disk status or take a disk offline To view SSL accelerator cards Setting Up Event Logging and NotificationConfiguring Which Events to Log Viewing SSL Accelerator Card InformationTo set event log size Setting Event Log SizeRelated CLI Commands to Set the Event Log Size Enabling Event NotificationSyslog Event Monitoring To enable event notificationsRelated CLI Commands to Enable Syslog Monitoring Viewing Event Log Configuration and ContentViewing the Event Log Configuration To enable syslog monitoringUnderstanding the Regex and Substring Filters Viewing the Event Log ContentsUnderstanding the Time Filter Enabling SNMP Configuring SNMPTo enable and configure SNMP Related CLI Commands to Enable and Configure SNMPTo set or change community strings Configuring SNMP Community StringsTo set or change community strings Volume 9: Managing the Blue Coat SG Appliance Configuring SNMP TrapsTo enable SNMP traps Related CLI Commands for Enabling SNMP TrapsHealth Monitoring Requirements Configuring Health MonitoringVolume 9: Managing the Blue Coat SG Appliance About the Health Monitoring Metric TypesAbout Health Monitoring WARRNING Health Monitoring ExampleAbout License Expiration Metrics CRITICALVolume 9: Managing the Blue Coat SG Appliance About Health Monitoring NotificationAbout the General Metrics About the Licensing MetricsLicensing Metrics” on About the Status MetricsVolume 9: Managing the Blue Coat SG Appliance See Volume 5: Advanced Networking forChanging Threshold and Notification Properties Getting A Quick View of the SG Appliance Health Volume 9: Managing the Blue Coat SG Appliance Viewing Health Monitoring StatisticsTo review the health monitoring statistics SGOS#config show system-resource-metrics TroubleshootingVolume 9 Managing the Blue Coat SG Appliance Hardware and Software Restart Options “Restoring System Defaults” on pageChapter 3 Maintaining the SG Appliance Restarting the SG ApplianceVolume 9: Managing the Blue Coat SG Appliance Restoring System DefaultsRestore-Defaults Keep-Console Factory-DefaultsClearing the Object Cache To restore system defaultsRelated CLI Syntax to Restore System Defaults Clearing the DNS CacheUpgrading the SG Appliance Troubleshooting TipClearing the Byte Cache Clearing Trend StatisticsVolume 9: Managing the Blue Coat SG Appliance The SG Appliance 5.x Version UpgradeTo upgrade the SG appliance 4.Click Restart Related CLI Syntax to Upgrade the SGOS SoftwareTroubleshooting Tip To view SGOS system replacement optionsManaging SG Appliance Systems To view details for an SGOS system version1.Select Maintenance > Upgrade > Systems Setting the Default Boot SystemExample Session SGOS> show installed-systemsTo lock a system Related CLI Syntax to Set the Default Boot SystemLocking and Unlocking SG Appliance Systems Replacing an SG Appliance SystemTo delete a system Deleting an SG Appliance SystemDisk Reinitialization Multi-DiskSG AppliancesTo delete multiple objects from the SG appliance Single-DiskSG ApplianceDeleting Objects from the SG Appliance To delete a single object from the SG applianceChapter 4: Diagnostics “Diagnostic Reporting CPU Monitoring” on page Diagnostic Reporting Service InformationSending Service Information Automatically “Diagnostic Reporting Heartbeats” on pageTo send service information automatically Managing the Bandwidth for Service InformationRelated CLI Syntax to Send Service Information To manage bandwidth for service informationVolume 9: Managing the Blue Coat SG Appliance Configure Service Information SettingsTo send service information c.Click Ok 5.Click Send Related CLI Syntax to Send Service InformationVolume 9: Managing the Blue Coat SG Appliance Creating and Editing Snapshot JobsTo create a new snapshot job To edit an existing snapshot joba.Target: Enter the object to snapshot Volume 9: Managing the Blue Coat SG Appliance Packet Capturing the Job UtilityPCAP File Name Format Common PCAP Filter ExpressionsUsing Filter Expressions in the CLI Configuring Packet Capturing6 7 8 9 To enable, stop, and download packet capturesVolume 9: Managing the Blue Coat SG Appliance a.Capture all matching packets Volume 9: Managing the Blue Coat SG Appliance Viewing Current Packet Capture DataTo view current packet capture statistics To configure core image restart optionsCore Image Restart Options Uploading Packet Capture DataVolume 9: Managing the Blue Coat SG Appliance Diagnostic Reporting HeartbeatsTo configure and view CPU monitoring Diagnostic Reporting CPU MonitoringVolume 9: Managing the Blue Coat SG Appliance “Viewing Traffic Distribution Statistics” on page “Viewing the Access Log” on pageChapter 5 Statistics Selecting the Graph ScaleVolume 9: Managing the Blue Coat SG Appliance Viewing Traffic Distribution StatisticsAbout Bypassed Bytes Understanding Chart DataRefreshing the Data Volume 9: Managing the Blue Coat SG Appliance About the Default Service StatisticsViewing Bandwidth Usage or Gain To view bandwidth usage or gain statisticsTo view client and server byte statistics Viewing Traffic HistoryVolume 9: Managing the Blue Coat SG Appliance Supported Proxy Types and ServicesRefreshing the Data Unsupported Proxy TypesUnderstanding Chart Data Volume 9: Managing the Blue Coat SG Appliance Viewing the ADN HistoryViewing Bandwidth Management Statistics Viewing Protocol StatisticsCIFS History Viewing CPU Utilization “Contents Statistics” on pageViewing System Statistics Resources StatisticsChapter 5: Statistics Viewing Concurrent UsersTo view concurrent users To view memory use statistics Viewing Disk Use StatisticsViewing Memory Use Statistics To view disk use statisticsSelect Statistics > System > Resources > Data To view data allocation statisticsViewing the Number of Objects Served by Size Contents StatisticsTo view the distribution of cache contents Viewing Cached Objects by SizeTo view the event log Event Logging StatisticsVolume 9: Managing the Blue Coat SG Appliance Failover StatisticsActive Sessions—Viewing Per-ConnectionStatistics To view failover statisticsTo view proxied sessions Analyzing Proxied SessionsViewing Proxied Sessions About the Proxied Sessions StatisticsClient Volume 9: Managing the Blue Coat SG ApplianceColumn Heading DescriptionServer Bytes Chapter 5 StatisticsColumn Heading DescriptionIs not displayed for MAPI and TCP-Tunneltraffic Volume 9: Managing the Blue Coat SG ApplianceService Name object-by-objectbasisHTTP Using the Tool TipsAbout MMS Streaming Connections Viewing Sessions with Multiple ConnectionsVolume 9: Managing the Blue Coat SG Appliance Understanding the Tree ViewADN Tunnels What Is Not DisplayedFiltering the Display About the Byte TotalsVolume 9: Managing the Blue Coat SG Appliance Analyzing Bypassed Connections StatisticsTo view bypassed connections Viewing Bypassed ConnectionsAbout the Bypassed Connection Statistics The following filters are available Volume 9 Managing the Blue Coat SG ApplianceFiltering the Display Viewing Advanced Statistics Viewing the Access LogViewing Health Monitoring Statistics Viewing Health Check StatisticsVolume 9: Managing the Blue Coat SG Appliance Using the CLI show Command to View Statisticssnmp Chapter 5: Statisticsresources Allocation of system resourcesVolume 9: Managing the Blue Coat SG Appliance Appendix A: Glossary authenticate-401attribute Volume 9: Managing the Blue Coat SG ApplianceAppendix A: Glossary destination objects Volume 9: Managing the Blue Coat SG ApplianceAppendix A: Glossary health check type Volume 9 Managing the Blue Coat SG ApplianceAppendix A: Glossary Management Console Volume 9: Managing the Blue Coat SG ApplianceAppendix A: Glossary parent class bandwidth Volume 9: Managing the Blue Coat SG ApplianceNetwork > Tunneling tab Appendix A: GlossarySG appliance Volume 9: Managing the Blue Coat SG ApplianceAppendix A: Glossary Websense log type Volume 9: Managing the Blue Coat SG ApplianceIndex Page Page Volume 9: Managing the Blue Coat SG Appliance