diff -urNad /home/ultrotter/docs/projects/deb/nagios/nagios-plugins-1.3.1.0/plugins/utils.c nagios-plugins-1.3.1.0/plugins/utils.c
--- /home/ultrotter/docs/projects/deb/nagios/nagios-plugins-1.3.1.0/plugins/utils.c	2003-04-23 06:57:08.000000000 +0200
+++ nagios-plugins-1.3.1.0/plugins/utils.c	2004-06-15 15:35:02.000000000 +0200
@@ -229,7 +229,7 @@
   /* '..' and '.-' are not legal either */
 	while ((s1 = index (s1, '.'))) {
 		s1++;
-		if (strspn (s1, "0123456789-.") == 1) {
+		if (strspn (s1, "-.") == 1) {
 			return FALSE;
 		}
 	}