diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index ee292c5..3381b79 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -3450,6 +3450,8 @@
  * \{
  */
 
+//#define MBEDTLS_SSL_CONF_AUTHMODE MBEDTLS_SSL_VERIFY_REQUIRED
+
 /* DTLS-specific settings */
 //#define MBEDTLS_SSL_CONF_ANTI_REPLAY MBEDTLS_SSL_ANTI_REPLAY_ENABLED
 //#define MBEDTLS_SSL_CONF_BADMAC_LIMIT 0