SSL_CTX_set_session_cache_mode
SSL_CTX_set_session_cache_mode(ssl_ctx, SSL_SESS_CACHE_OFF);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
SSL_CTX_set_session_cache_mode(data->ctx,