diff -ru fuppes-0.660.orig//src/lib/HTTP/HTTPMessage.cpp fuppes-0.660//src/lib/HTTP/HTTPMessage.cpp
--- fuppes-0.660.orig//src/lib/HTTP/HTTPMessage.cpp	2009-11-25 12:29:14.000000000 +0100
+++ fuppes-0.660//src/lib/HTTP/HTTPMessage.cpp	2011-08-24 16:43:04.547745019 +0200
@@ -43,7 +43,7 @@
   // Init
   m_nHTTPVersion			  = HTTP_VERSION_UNKNOWN;
   m_nHTTPMessageType    = HTTP_MESSAGE_TYPE_UNKNOWN;
-	m_sHTTPContentType    = "";
+	m_sHTTPContentType    = "text/plain";
   m_nBinContentLength   = 0; 
   m_nBinContentPosition = 0;
   m_nBufferSize         = 0;
@@ -152,9 +152,8 @@
   /* Version */
 	switch(m_nHTTPVersion)
 	{
-		case HTTP_VERSION_1_0: sVersion = "HTTP/1.0"; break;
 		case HTTP_VERSION_1_1: sVersion = "HTTP/1.1"; break;
-    default:               ASSERT(0);             break;
+    default:               sVersion = "HTTP/1.0"; break;
   }
 	
   /* Message Type */
@@ -184,6 +183,10 @@
       sResult << sVersion << " 200 OK\r\n";
       break;    
     
+    case HTTP_MESSAGE_TYPE_UNKNOWN:
+      sResult << sVersion << " 501 Not implemented\r\n";
+			break;
+
     default:
       CSharedLog::Log(L_DBG, __FILE__, __LINE__, "GetHeaderAsString() :: unhandled message type");
       break;