SSL_CTX_SET_SESSION_CACHE_MODE(3ssl) OpenSSL SSL_CTX_set_session_cache_mode, SSL_CTX_get_session_cache_mode - / #include long SSL_CTX_set_session_cache_mode(SSL_CTX ctx, long mode); long SSL_CTX_get_session_cache_mode(SSL_CTX ctx); SSL_CTX_set_session_cache_mode() / ctx . SSL_CTX_get_session_cache_mode() . OpenSSL / SSL/TLS . ctx SSL_CTX SSL_CTX. . . ( ). . (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP) . ( SSL_CTX_set_session_id_context(3)). : SSL_SESS_CACHE_OFF . SSL_SESS_CACHE_CLIENT . OpenSSL ( BIO SSL ) SSL_set_session(3). . SSL_SESS_CACHE_SERVER . () ( SSL_SESS_CACHE_NO_INTERNAL_LOOKUP) () . . . SSL_SESS_CACHE_BOTH SSL_SESS_CACHE_CLIENT SSL_SESS_CACHE_SERVER . SSL_SESS_CACHE_NO_AUTO_CLEAR 255 SSL_CTX_flush_sessions(3). SSL_CTX_flush_sessions(3) . SSL_SESS_CACHE_NO_INTERNAL_LOOKUP SSL/TLS . . SSL/TLS . SSL_SESS_CACHE_NO_INTERNAL_STORE SSL_SESS_CACHE_CLIENT / SSL_SESS_CACHE_SERVER SSL/TLS . () SSL_CTX. ( SSL_CTX_add_session(3)). : SSL/TLS ( ) - . SSL_SESS_CACHE_NO_INTERNAL SSL_SESS_CACHE_NO_INTERNAL_LOOKUP SSL_SESS_CACHE_NO_INTERNAL_STORE . SSL_SESS_CACHE_UPDATE_TIME . . SSL_SESS_CACHE_SERVER. SSL_CTX_set_session_cache_mode() . SSL_CTX_get_session_cache_mode() . ssl(7), SSL_set_session(3), SSL_session_reused(3), SSL_CTX_add_session(3), SSL_CTX_sess_number(3), SSL_CTX_sess_set_cache_size(3), SSL_CTX_sess_set_get_cb(3), SSL_CTX_set_session_id_context(3), SSL_CTX_set_timeout(3), SSL_CTX_flush_sessions(3) 2001-2021 OpenSSL. . Apache 2.0 ( ""). . LICENSE . 3 . . : . 3.6.2 7 2026 SSL_CTX_SET_SESSION_CACHE_MODE(3ssl)