[AIX HP-UX Linux Solaris Windows]This topic applies only on the z/OS operating system.

Session ID cache

IBM® HTTP Server caches secure sockets layer (SSL) session IDs when Web clients establish secure connections with the Web server. Cached session IDs enable subsequent SSL session requests to use a shortened SSL handshake during session establishment. Session ID caching is enabled by default on all supported platforms.

[AIX] [HP-UX] [Linux] [Solaris] The session ID cache is implemented as a daemon process named sidd. You will see this process running when IBM HTTP Server is started with SSL enabled.

[AIX Solaris HP-UX Linux Windows] In most cases, you will not need to take an additional configuration steps to effectively use SSL session ID caching in IBM HTTP Server.

[z/OS] It is recommended that you disable IBM HTTP Server session ID caching (sidd). The z/OS® System SSL provides an equivalent function that can perform better with some additional configuration.



Related reference
SSL directives
Related information
z/OS Internet Library
Concept topic    

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Last updated: Oct 21, 2010 11:50:03 AM CDT
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