SSL_OP_ALL
(SSL_OP_ALL & ~SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) |
SSL_CTX_set_options(ctx, SSL_OP_ALL | cfg.off);
SSL_CTX_set_options(ctx, SSL_OP_ALL);
SSL_CTX_set_options(ctx2, SSL_OP_ALL);
SSL_CTX_set_options(tm_ctx, SSL_OP_ALL);
(SSL_OP_ALL & ~SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) |