Enable both SSL_SESS_CACHE_NO_INTERNAL_LOOKUP and
SSL_SESS_CACHE_NO_INTERNAL_STORE at the same time.
+
=back
The default mode is SSL_SESS_CACHE_SERVER.
L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>,
L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>
+=head1 HISTORY
+
+SSL_SESS_CACHE_NO_INTERNAL_STORE and SSL_SESS_CACHE_NO_INTERNAL
+were introduced in OpenSSL 0.9.6h.
+
=cut