Blue Coat Systems SGOS 4.x manual Feature-Specific Upgrade Behavior, Access Logging

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Chapter 3: Feature-Specific Upgrade Behavior

This chapter provides critical information concerning how specific features are affected by upgrading to SGOS 4.x (and if relevant downgrading from) and provides actions administrators must or are recommended to take as a result of upgrading.

This chapter contains the following sections:.

•"Access Logging"—Discusses the new global enable/disable switch, the Peer-to-Peer (P2P) format and log, and the new substitutions.

•"Authentication"—Discusses Policy Substitution, Oblix COREid, and RADIUS realms.

•"Bandwidth Management"—Discusses bandwidth management features.

•"Compression" —Discusses ProxySG behavior when using HTTP compression.

•"Content Filtering"—Discusses downgrade behavior for new third-party vendors.

•"CPU Monitoring"—Allows you to see the percentage of CPU being used by specific functional groups.

•"Endpoint Mapper and SOCKS Compression"—Discusses Endpoint Mapper proxy and SOCKS compression.

•"ICAP Patience Page"—Discusses new and changed commands for Patience Page settings.

•"Policy"—Lists new VPM objects and CPL syntax, abandoned substitutions, new exception pages, and new object naming and UTF-8 encoding in VPM.

•"Securing the Serial Port"—Describes the upgrade/downgrade behavior if you secure the serial port.

•"SmartFilter Version 4"—The SmartFilter license key is now required if you use SmartFilter, version 4.

•"SSL Key Management"—Discusses new non-interactive commands to enhance SSL key management available through Director.

Note: If a topic is not discussed, it means no upgrade or downgrade issues exist for that feature: for example, event logging has no changed functionality from previous versions and will not be discussed in this document.

Access Logging

Access Logging has added new features in SGOS 4.x:

•A global enable/disable switch: See below.

•A P2P format and log: See "Peer-to-Peer" on page 15.

•New substitutions: See "New Access Logging Substitutions" on page 15. (For a list of deprecated substitutions, see Table 3.11, “Abandoned Substitution Tokens” on page 25.)

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Contents Blue Coat Systems ProxySG Contact Information Contents Blue Coat Sgos 4.x Upgrade Guide About the Document Organization Changes Between Sgos 3.x and SgosRelated Blue Coat Documentation Chapter Title DescriptionConventions Definition Document ConventionsUpgrading Upgrade Behavior, GeneralRestoring to Previous Versions Summary of Changes to the Upgrade ProcessRedoing an Upgrade from Sgos 2.x or CacheOS Redoing an Upgrade from SgosLicensing Changing Between Sgos 4.x VersionsType Component Description SSL Documentation References Hardware SupportedAccess Logging Feature-Specific Upgrade BehaviorNew CLI Commands Global Enable/Disable SwitchDocument References Protocol LogUpgrade Behavior New Access Logging SubstitutionsCLI Compatibility Issues Peer-to-PeerBlue Coat Sgos 4.x Upgrade Guide New Substitutions Administrator Actions AuthenticationBandwidth Management Downgrade Behavior CompressionCLI Commands Content FilteringCommand Description CPU MonitoringEndpoint Mapper and Socks Compression Upgrade/Downgrade BehaviorIcap Patience CLI Changes and AdditionsPolicy Https//ProxySGIPport /policyimportlisting.html Policy DeprecationCPL Abandoned Syntax Replacement SyntaxBlue Coat Sgos 4.x Upgrade Guide Abandoned Policy Conditions Abandoned CPL Current CPL Abandoned CPL Current CPL Abandoned CPL Current CPL Exception Pages Object Naming UTF-8 EncodingSmartFilter Version Securing the Serial PortSSL Key Management Documentation ReferenceDocumentation References Blue Coat Sgos 4.x Upgrade Guide Index VPM

SGOS 4.x specifications

Blue Coat Systems SGOS 4.x is a robust operating system designed for the Blue Coat ProxySG series of appliances, which serve as content filtering and web security solutions. The SGOS (Secure Gateway Operating System) is crafted to enhance network performance while providing extensive security and policy enforcement capabilities. This article delves into the numerous features, technologies, and characteristics that define SGOS 4.x, making it an essential tool for organizations looking to fortify their web traffic management and security.

One of the standout features of SGOS 4.x is its advanced web filtering capabilities. The system employs a comprehensive URL categorization database that allows organizations to enforce content policies effectively. By categorizing millions of web pages, SGOS enables users to block or allow access to specific sites based on their content category, ensuring a safe browsing experience for employees and preventing access to harmful or non-work-related content.

Another notable technological characteristic of SGOS 4.x is its accelerated SSL decryption. As encrypted traffic continues to dominate the web, it becomes increasingly important for organizations to inspect this traffic for potential threats. SGOS 4.x offers robust SSL decryption capabilities that allow organizations to analyze encrypted traffic while maintaining the confidentiality and integrity of the data being transmitted. This attribute not only strengthens security but also aids in compliance with regulatory requirements.

SGOS 4.x is also equipped with exceptional caching and content delivery features. By caching frequently accessed content, the system reduces load times and optimizes bandwidth usage. This caching mechanism is enhanced by predefined policies that dictate how content is stored and retrieved, significantly improving user experience while reducing operational costs.

Furthermore, SGOS 4.x supports advanced reporting and analytics features. The integrated reporting tools provide administrators with insights into web usage patterns, bandwidth consumption, and security incidents. These insights facilitate informed decision-making and allow organizations to refine their web usage policies based on actual user behavior and threat landscape analysis.

In terms of scalability, SGOS 4.x is engineered to support a wide range of deployment scenarios, from small businesses to large enterprises. The architecture is designed to efficiently handle varying volumes of traffic without compromising performance or security, making it a flexible solution for diverse organizational needs.

Overall, Blue Coat Systems SGOS 4.x presents a powerful platform for web security and traffic management. With its advanced filtering, SSL decryption, caching, and analytics capabilities, SGOS 4.x remains a vital solution for organizations aiming to enhance their security posture and improve operational efficiency in an increasingly complex web environment.
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