diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index 4f82283..cacfe0f 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -92,6 +92,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_x509_crt cacert;
 
     ((void) argc);
@@ -105,6 +106,7 @@
      * 0. Initialize the RNG and the session data
      */
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     mbedtls_x509_crt_init( &cacert );
     mbedtls_ctr_drbg_init( &ctr_drbg );
 
@@ -123,7 +125,7 @@
     mbedtls_printf( " ok\n" );
 
     /*
-     * 0. Initialize certificates
+     * 0. Load certificates
      */
     mbedtls_printf( "  . Loading the CA root certificate ..." );
     fflush( stdout );
@@ -160,7 +162,13 @@
     mbedtls_printf( "  . Setting up the DTLS structure..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
         goto exit;
@@ -322,6 +330,7 @@
 
     mbedtls_x509_crt_free( &cacert );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
diff --git a/programs/ssl/dtls_server.c b/programs/ssl/dtls_server.c
index a4b86f7..869d919 100644
--- a/programs/ssl/dtls_server.c
+++ b/programs/ssl/dtls_server.c
@@ -97,6 +97,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
 #if defined(MBEDTLS_SSL_CACHE_C)
@@ -104,6 +105,7 @@
 #endif
 
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     mbedtls_ssl_cookie_init( &cookie_ctx );
 #if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_init( &cache );
@@ -190,7 +192,13 @@
     printf( "  . Setting up the DTLS data..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
         goto exit;
@@ -391,6 +399,7 @@
     mbedtls_x509_crt_free( &srvcert );
     mbedtls_pk_free( &pkey );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ssl_cookie_free( &cookie_ctx );
 #if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_free( &cache );
diff --git a/programs/ssl/mini_client.c b/programs/ssl/mini_client.c
index cab6e8d..cd28845 100644
--- a/programs/ssl/mini_client.c
+++ b/programs/ssl/mini_client.c
@@ -147,6 +147,7 @@
 {
     exit_ok = 0,
     ctr_drbg_seed_failed,
+    ssl_config_default_failed,
     ssl_setup_failed,
     socket_failed,
     connect_failed,
@@ -167,12 +168,14 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_ctr_drbg_init( &ctr_drbg );
 
     /*
      * 0. Initialize and setup stuff
      */
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
     mbedtls_x509_crt_init( &ca );
 #endif
@@ -185,7 +188,13 @@
         goto exit;
     }
 
-    if( mbedtls_ssl_setup( &ssl ) != 0 )
+    if( mbedtls_ssl_config_defaults( &conf ) != 0 )
+    {
+        ret = ssl_config_defaults_failed;
+        goto exit;
+    }
+
+    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
     {
         ret = ssl_setup_failed;
         goto exit;
@@ -260,6 +269,7 @@
         mbedtls_net_close( server_fd );
 
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 37c24a2..d136cd6 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -83,6 +83,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_x509_crt cacert;
 
 #if defined(MBEDTLS_DEBUG_C)
@@ -93,6 +94,7 @@
      * 0. Initialize the RNG and the session data
      */
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     mbedtls_x509_crt_init( &cacert );
     mbedtls_ctr_drbg_init( &ctr_drbg );
 
@@ -148,7 +150,13 @@
     mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
         goto exit;
@@ -275,6 +283,7 @@
 
     mbedtls_x509_crt_free( &cacert );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index de6ff65..309a68a 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -401,6 +401,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_ssl_session saved_session;
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
     mbedtls_x509_crt cacert;
@@ -415,6 +416,7 @@
      */
     server_fd = 0;
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) );
     mbedtls_ctr_drbg_init( &ctr_drbg );
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
@@ -1047,7 +1049,13 @@
     mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n", -ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n", -ret );
         goto exit;
@@ -1581,6 +1589,7 @@
 #endif
     mbedtls_ssl_session_free( &saved_session );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index a0880e8..a26f85f 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -103,11 +103,12 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
 
-    memset( &ssl, 0, sizeof(mbedtls_ssl_context) );
-
+    mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     mbedtls_entropy_init( &entropy );
     mbedtls_pk_init( &pkey );
     mbedtls_x509_crt_init( &srvcert );
@@ -248,7 +249,13 @@
             goto exit;
         }
 
-        if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+        {
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+            goto exit;
+        }
+
+        if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
         {
             mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
             goto exit;
@@ -373,6 +380,7 @@
     mbedtls_x509_crt_free( &srvcert );
     mbedtls_pk_free( &pkey );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 8abe740..bf4bff9 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -355,6 +355,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_x509_crt cacert;
     mbedtls_x509_crt clicert;
     mbedtls_pk_context pkey;
@@ -368,6 +369,7 @@
      */
     server_fd = 0;
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     memset( &buf, 0, sizeof( buf ) );
     mbedtls_x509_crt_init( &cacert );
     mbedtls_x509_crt_init( &clicert );
@@ -582,7 +584,13 @@
     mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
         goto exit;
@@ -821,6 +829,7 @@
     mbedtls_x509_crt_free( &cacert );
     mbedtls_pk_free( &pkey );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index 3432e5e..7303c5d 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -130,10 +130,12 @@
     unsigned char buf[1024];
     char pers[50];
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_ctr_drbg_context ctr_drbg;
 
     /* Make sure memory references are valid */
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     mbedtls_ctr_drbg_init( &ctr_drbg );
 
     mbedtls_snprintf( pers, sizeof(pers), "SSL Pthread Thread %d", thread_id );
@@ -158,7 +160,14 @@
      */
     mbedtls_printf( "  [ #%d ]  Setting up the SSL data....\n", thread_id );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( "  [ #%d ]  failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
+                thread_id, -ret );
+        goto thread_exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( "  [ #%d ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
                 thread_id, -ret );
@@ -314,6 +323,7 @@
     mbedtls_net_close( client_fd );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
 
     thread_info->thread_complete = 1;
 
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index bd68d3d..a2b9a58 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -97,6 +97,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
 #if defined(MBEDTLS_SSL_CACHE_C)
@@ -104,6 +105,7 @@
 #endif
 
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
 #if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_init( &cache );
 #endif
@@ -189,7 +191,13 @@
     mbedtls_printf( "  . Setting up the SSL data...." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
         goto exit;
@@ -369,6 +377,7 @@
     mbedtls_x509_crt_free( &srvcert );
     mbedtls_pk_free( &pkey );
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
 #if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_free( &cache );
 #endif
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index be0d70c..013d339 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -722,6 +722,7 @@
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
+    mbedtls_ssl_config conf;
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
     unsigned char renego_period[8] = { 0 };
 #endif
@@ -762,6 +763,7 @@
      */
     listen_fd = 0;
     mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_config_init( &conf );
     mbedtls_ctr_drbg_init( &ctr_drbg );
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
     mbedtls_x509_crt_init( &cacert );
@@ -1518,7 +1520,13 @@
     mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_setup( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n", -ret );
+        goto exit;
+    }
+
+    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n", -ret );
         goto exit;
@@ -2205,6 +2213,7 @@
 #endif
 
     mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_config_free( &conf );
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );