--- embedaddon/mpd/src/chap.c	2013/07/22 08:44:29	1.1.1.1
+++ embedaddon/mpd/src/chap.c	2016/11/01 09:56:12	1.1.1.2
@@ -698,6 +698,7 @@ ChapHash(Link l, int alg, u_char *hash_value, u_char i
 	if (local) {			/* generate reverse 'peer challenge' */
 	  ChapGenRandom(l, val->peerChal, sizeof(val->peerChal));
 	  memset(val->reserved, 0, sizeof(val->reserved));
+	  val->flags = 0; /* rfc2759, paragraph 4 says that flags MUST be zero */
 	}
 	GenerateNTResponse(challenge,
 	  val->peerChal, username, secret, val->ntHash);