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Contents
Contact Information
Chapter 1: Upgrading—Overview
Changes Between SGOS 3.x and SGOS 4.x......................................................................................................5
About the Document Organization..................................................................................................................5
Related Blue Coat Documentation....................................................................................................................5
Document Conventions......................................................................................................................................6
Chapter 2: Upgrade Behavior, General
Upgrading ............................................................................................................................................................7
Restoring to Previous Versions .........................................................................................................................8
Changing Between SGOS 4.x Versions ..........................................................................................................10
Licensing.............................................................................................................................................................10
Hardware Supported........................................................................................................................................12
Documentation References ..............................................................................................................................12
Chapter 3: Feature-Specific Upgrade Behavior
Access Logging..................................................................................................................................................13
Authentication ...................................................................................................................................................17
Bandwidth Management..................................................................................................................................17
Compression ......................................................................................................................................................18
Content Filtering................................................................................................................................................19
CPU Monitoring ...............................................................................................................................................19
Endpoint Mapper and SOCKS Compression................................................................................................20
ICAP Patience Page...........................................................................................................................................20
Policy...................................................................................................................................................................21
Securing the Serial Port ....................................................................................................................................30
SmartFilter Version 4........................................................................................................................................30
SSL Key Management.......................................................................................................................................30
Index