SSL_CTX_set_timeout, SSL_CTX_get_timeout - manipulate
       timeout values for session caching


SYNOPSIS

        #include <openssl/ssl.h>

        long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
        long SSL_CTX_get_timeout(SSL_CTX *ctx);


DESCRIPTION

       SSL_CTX_set_timeout() sets the timeout for newly created
       sessions for ctx to t. The timeout value t must be given
       in seconds.

       SSL_CTX_get_timeout() returns the currently set timeout
       value for ctx.


NOTES

       Whenever a new session is created, it is assigned a
       maximum lifetime. This lifetime is specified by storing
       the creation time of the session and the timeout value
       valid at this time. If the actual time is later than
       creation time plus timeout, the session is not reused.

       Due to this realization, all sessions behave according to
       the timeout value valid at the time of the session
       negotiation. Changes of the timeout value do not affect
       already established sessions.

       The expiration time of a single session can be modified
       using the SSL_SESSION_get_time(3) family of functions.

       Expired sessions are removed from the internal session
       cache, whenever SSL_CTX_flush_sessions(3) is called,
       either directly by the application or automatically (see
       SSL_CTX_set_session_cache_mode(3))

       The default value for session timeout is 300 seconds.


RETURN VALUES

       SSL_CTX_set_timeout() returns the previously set timeout
       value.

       SSL_CTX_get_timeout() returns the currently set timeout
       value.


SEE ALSO

       ssl(3), SSL_CTX_set_session_cache_mode(3),
       SSL_SESSION_get_time(3), SSL_CTX_flush_sessions(3)



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