Index: /trunk/ntripserver/ntripserver.c
===================================================================
--- /trunk/ntripserver/ntripserver.c	(revision 10675)
+++ /trunk/ntripserver/ntripserver.c	(revision 10676)
@@ -496,6 +496,5 @@
   if (*proxyhost) {
     // Input
-    if (strstr(casterinhost, "127.0.0.1") ||
-        strstr(casterinhost, "localhost")) {
+    if (casterinhost == 0 || (strstr(casterinhost, "127.0.0.1") || strstr(casterinhost, "localhost"))) {
       inhost  = casterinhost;
       inport  = casterinport;