diff -up cups-1.4.3/scheduler/network.c.hostnamelookups cups-1.4.3/scheduler/network.c
--- cups-1.4.3/scheduler/network.c.hostnamelookups	2009-04-28 01:23:38.000000000 +0100
+++ cups-1.4.3/scheduler/network.c	2010-05-06 15:11:34.652926030 +0100
@@ -155,7 +155,7 @@ cupsdNetIFUpdate(void)
     * Try looking up the hostname for the address as needed...
     */
 
-    if (HostNameLookups || RemotePort)
+    if (HostNameLookups)
       httpAddrLookup((http_addr_t *)(addr->ifa_addr), hostname,
                      sizeof(hostname));
     else
@@ -163,7 +163,7 @@ cupsdNetIFUpdate(void)
      /*
       * Map the default server address and localhost to the server name
       * and localhost, respectively; for all other addresses, use the
-      * dotted notation...
+      * numeric address...
       */
 
       if (httpAddrLocalhost((http_addr_t *)(addr->ifa_addr)))