Index: stream/asf_mmst_streaming.c
===================================================================
--- stream/asf_mmst_streaming.c	(revisione 29084)
+++ stream/asf_mmst_streaming.c	(copia locale)
@@ -588,6 +588,13 @@
 
   len = recv (s, data, BUF_SIZE, 0) ;
 
+  if (get_32(data, 36) != 0x00040001) {
+      mp_msg(MSGT_NETWORK, MSGL_FATAL, "Unexpected server response, exiting.\n");
+      closesocket(s);
+      free(path);
+      return -1;
+  }
+
   /*This sends details of the local machine IP address to a Funnel system at the server. 
   * Also, the TCP or UDP transport selection is sent.
   *