--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- httpd-2.2.25/modules/ssl/ssl_engine_kernel.c        2013-09-12 23:14:26.419298395 +0000
+++ httpd-2.2.25_modified_ssl_engine_kernel/modules/ssl/ssl_engine_kernel.c    2013-09-12 23:18:33.061441302 +0000
@@ -1711,7 +1711,16 @@ 
                  SSLPROXY_CERT_CB_LOG_FMT
                  "no client certificate found!?", sc->vhost_id);
-    return FALSE;
+//    return FALSE;
+
+    /* Ported fix by Martijn Schoemaker (Ficture IT) from 2.2.17 to send first
+     *   configured client cert as last resolve */
+    info = sk_X509_INFO_value(certs, 0);
+    modssl_proxy_info_log(s, info,
+                          "No acceptable cert found, sending first in list.");
+    modssl_set_cert_info(info, x509, pkey);
+
+    return TRUE;
 }
 static void ssl_session_log(server_rec *s,