--- smbd/mangle_hash.c	29 Mar 2006 09:08:37 -0000	1.1.1.1
+++ smbd/mangle_hash.c	25 Jul 2007 11:58:49 -0000
@@ -550,7 +550,11 @@
 		else {
 			*p++ = 0;
 			while( *p && extlen < 3 ) {
-				if ( *p != '.') {
+			  /* ':' is not valid in an extension
+			   (or indeed, anywhere!),
+			   So if it's present we skip it */
+				if ( *p != '.'
+				     && *p != ':' ) {
 					extension[extlen++] = p[0];
 				}
 				p++;