diff -up cups-1.3.10/scheduler/client.c.localhost-ipv6 cups-1.3.10/scheduler/client.c
--- cups-1.3.10/scheduler/client.c.localhost-ipv6	2009-04-24 18:13:29.000000000 +0100
+++ cups-1.3.10/scheduler/client.c	2009-04-26 12:40:49.000000000 +0100
@@ -5050,7 +5050,8 @@ valid_host(cupsd_client_t *con)		/* I - 
             !strcmp(host, "127.0.0.1") ||
 	    !strncmp(host, "127.0.0.1:", 10) ||
 	    !strcmp(host, "[::1]") ||
-	    !strncmp(host, "[::1]:", 6));
+	    !strncmp(host, "[::1]:", 6) ||
+	    !strcmp(host, "::1"));
   }
 
 #ifdef HAVE_DNSSD