Symbol: SSL_EXT_DTLS_ONLY
crypto/openssl/ssl/statem/extensions.c
243
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS | SSL_EXT_DTLS_ONLY,
crypto/openssl/ssl/statem/extensions.c
407
} else if ((extctx & SSL_EXT_DTLS_ONLY) != 0) {