diff -up wget-1.13.4/src/gnutls.c.tls_sni_support wget-1.13.4/src/gnutls.c
--- wget-1.13.4/src/gnutls.c.tls_sni_support	2011-09-04 14:06:22.000000000 +0200
+++ wget-1.13.4/src/gnutls.c	2012-10-09 09:35:04.476172748 +0200
@@ -54,6 +54,8 @@ as that of the covered work.  */
 # include "w32sock.h"
 #endif
 
+#include "host.h"
+
 /* Note: some of the functions private to this file have names that
    begin with "wgnutls_" (e.g. wgnutls_read) so that they wouldn't be
    confused with actual gnutls functions -- such as the gnutls_read
@@ -320,13 +322,21 @@ static struct transport_implementation w
 };
 
 bool
-ssl_connect_wget (int fd)
+ssl_connect_wget (int fd, const char *hostname)
 {
   struct wgnutls_transport_context *ctx;
   gnutls_session session;
   int err;
   gnutls_init (&session, GNUTLS_CLIENT);
   gnutls_set_default_priority (session);
+
+  /* We set the server name but only if it's not an IP address. */
+  if (! is_ip_address (hostname))
+    {
+      gnutls_server_name_set (session, GNUTLS_NAME_DNS,
+         hostname, strlen(hostname));
+    }
+
   gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, credentials);
 #ifndef FD_TO_SOCKET
 # define FD_TO_SOCKET(X) (X)
diff -up wget-1.13.4/src/host.c.tls_sni_support wget-1.13.4/src/host.c
--- wget-1.13.4/src/host.c.tls_sni_support	2011-08-06 23:22:39.000000000 +0200
+++ wget-1.13.4/src/host.c	2012-10-09 09:32:48.245355889 +0200
@@ -914,3 +914,19 @@ host_cleanup (void)
       host_name_addresses_map = NULL;
     }
 }
+
+/* Determine whether or not a hostname is an IP address that we recognise. */
+bool
+is_ip_address (const char *name)
+{
+  const char *endp;
+
+  endp = name + strlen(name);
+  if (is_valid_ipv4_address (name, endp))
+    return true;
+#ifdef ENABLE_IPV6
+  if (is_valid_ipv6_address (name, endp))
+    return true;
+#endif
+  return false;
+}
diff -up wget-1.13.4/src/host.h.tls_sni_support wget-1.13.4/src/host.h
--- wget-1.13.4/src/host.h.tls_sni_support	2011-01-01 13:12:35.000000000 +0100
+++ wget-1.13.4/src/host.h	2012-10-09 09:32:48.246355887 +0200
@@ -103,4 +103,6 @@ bool sufmatch (const char **, const char
 
 void host_cleanup (void);
 
+bool is_ip_address (const char *);
+
 #endif /* HOST_H */
diff -up wget-1.13.4/src/http.c.tls_sni_support wget-1.13.4/src/http.c
--- wget-1.13.4/src/http.c.tls_sni_support	2011-09-07 12:58:01.000000000 +0200
+++ wget-1.13.4/src/http.c	2012-10-09 09:37:07.532007301 +0200
@@ -1909,7 +1909,7 @@ gethttp (struct url *u, struct http_stat
 
       if (conn->scheme == SCHEME_HTTPS)
         {
-          if (!ssl_connect_wget (sock))
+          if (!ssl_connect_wget (sock, u->host))
             {
               fd_close (sock);
               return CONSSLERR;
diff -up wget-1.13.4/src/openssl.c.tls_sni_support wget-1.13.4/src/openssl.c
--- wget-1.13.4/src/openssl.c.tls_sni_support	2012-10-09 09:32:48.000000000 +0200
+++ wget-1.13.4/src/openssl.c	2012-10-09 09:39:05.382848841 +0200
@@ -50,6 +50,8 @@ as that of the covered work.  */
 # include <w32sock.h>
 #endif
 
+#include "host.h"
+
 /* Application-wide SSL context.  This is common to all SSL
    connections.  */
 static SSL_CTX *ssl_ctx;
@@ -433,7 +435,7 @@ ssl_connect_with_timeout_callback(void *
    Returns true on success, false on failure.  */
 
 bool
-ssl_connect_wget (int fd)
+ssl_connect_wget (int fd, const char *hostname)
 {
   SSL *conn;
   struct scwt_context scwt_ctx;
@@ -445,6 +447,20 @@ ssl_connect_wget (int fd)
   conn = SSL_new (ssl_ctx);
   if (!conn)
     goto error;
+
+#if OPENSSL_VERSION_NUMBER >= 0x0090806fL && !defined(OPENSSL_NO_TLSEXT)
+  /* If the SSL library was build with support for ServerNameIndication
+     then use it whenever we have a hostname.  If not, don't, ever. */
+  if (! is_ip_address (hostname))
+    {
+      if (! SSL_set_tlsext_host_name (conn, hostname))
+  {
+  DEBUGP (("Failed to set TLS server-name indication."));
+  goto error;
+  }
+    }
+#endif
+
 #ifndef FD_TO_SOCKET
 # define FD_TO_SOCKET(X) (X)
 #endif
diff -up wget-1.13.4/src/ssl.h.tls_sni_support wget-1.13.4/src/ssl.h
--- wget-1.13.4/src/ssl.h.tls_sni_support	2011-01-01 13:12:35.000000000 +0100
+++ wget-1.13.4/src/ssl.h	2012-10-09 09:39:38.848803841 +0200
@@ -33,7 +33,7 @@ as that of the covered work.  */
 #define GEN_SSLFUNC_H
 
 bool ssl_init (void);
-bool ssl_connect_wget (int);
+bool ssl_connect_wget (int, const char *);
 bool ssl_check_certificate (int, const char *);
 
 #endif /* GEN_SSLFUNC_H */