diff -urN dropbear-0.51/options.h dropbear-0.51.new/options.h
--- dropbear-0.51/options.h	2008-03-27 14:34:39.000000000 +0100
+++ dropbear-0.51.new/options.h	2008-06-22 00:22:09.000000000 +0200
@@ -112,7 +112,7 @@
 /* #define DSS_PROTOK */
 
 /* Whether to do reverse DNS lookups. */
-#define DO_HOST_LOOKUP
+/* #define DO_HOST_LOOKUP */
 
 /* Whether to print the message of the day (MOTD). This doesn't add much code
  * size */