Oracle B12255-01 - Manual (Page 150)

Security Services Implemented Within Oracle HTTP Server
8-20 Oracle HTTP Server Administrator’s Guide
SSLMutex Type of semaphore (lock) for SSL engine’s mutual exclusion of
operations that have to be synchronized between Oracle HTTP Server processes.
Category Value
Valid Values ■ none : Uses no mutex at all. Not recommended, because the mutex
synchronizes the write access to the SSL session cache. If you do not
configure a mutex, the session cache can become garbled.
■ file:path/to/mutex : Uses a file for locking. The process ID
(PID) of the Oracle HTTP Server parent process is appended to the
filename to ensure uniqueness. If the filename does not begin with a
slash (/), it is assumed to be relative to ServerRoot. This setting is
not available on Windows.
■ sem : Uses an operating system semaphore to synchronize writes. On
UNIX, it would be a Sys V IPC semaphore; on Windows, it is a
Windows Mutex. This is the best choice, if the operating system
supports it.
Example SSLMutex file:/usr/local/apache/logs/ssl_mutex
Syntax SSLMutex type
Default SSLMutex none
Context server configuration