--- a/options.h	Thu May 09 23:27:23 2013 +0800
+++ b/options.h	Tue May 21 12:09:35 2013 +0800
@@ -159,7 +159,7 @@
 #endif
 
 /* 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 */
@@ -182,7 +182,7 @@
 
 #define ENABLE_SVR_PASSWORD_AUTH
 /* PAM requires ./configure --enable-pam */
-/*#define ENABLE_SVR_PAM_AUTH*/
+//#define ENABLE_SVR_PAM_AUTH
 #define ENABLE_SVR_PUBKEY_AUTH
 
 /* Whether to take public key options in 
@@ -210,6 +210,13 @@
  * return the password on standard output */
 /*#define ENABLE_CLI_ASKPASS_HELPER*/
 
+/* Send a real auth request first rather than requesting a list of available methods.
+ * It saves a network round trip at login but prevents immediate login to
+ * accounts with no password, and might be rejected by some strict servers (none
+ * encountered yet) - hence it isn't enabled by default. */
+/* #define CLI_IMMEDIATE_AUTH */
+
+
 /* Source for randomness. This must be able to provide hundreds of bytes per SSH
  * connection without blocking. In addition /dev/random is used for seeding
  * rsa/dss key generation */