--- a/sysoptions.h	Wed Mar 12 23:40:02 2014 +0800
+++ b/sysoptions.h	Fri Jan 23 21:38:47 2015 +0800
@@ -4,7 +4,7 @@
  *******************************************************************/
 
 #ifndef DROPBEAR_VERSION
-#define DROPBEAR_VERSION "2014.63"
+#define DROPBEAR_VERSION "2014.66"
 #endif
 
 #define LOCAL_IDENT "SSH-2.0-dropbear_" DROPBEAR_VERSION
@@ -153,8 +153,7 @@
 #define MAX_CHANNELS 100 /* simple mem restriction, includes each tcp/x11
 							connection, so can't be _too_ small */
 
-#define MAX_STRING_LEN 1400 /* ~= MAX_PROPOSED_ALGO * MAX_NAME_LEN, also
-							   is the max length for a password etc */
+#define MAX_STRING_LEN 2400 /* Sun SSH needs this long for algos */
 
 /* For a 4096 bit DSS key, empirically determined */
 #define MAX_PUBKEY_SIZE 1700
@@ -249,4 +248,13 @@
 #define USE_VFORK
 #endif  /* don't HAVE_FORK */
 
+#if MAX_UNAUTH_CLIENTS > MAX_CHANNELS
+#define DROPBEAR_LISTEN_BACKLOG MAX_UNAUTH_CLIENTS
+#else
+#define DROPBEAR_LISTEN_BACKLOG MAX_CHANNELS
+#endif
+
+/* Use this string since some implementations might special-case it */
+#define DROPBEAR_KEEPALIVE_STRING "[email protected]"
+
 /* no include guard for this file */