title: haproxy forward client certificate x509
body: <p>I have configured haproxy to forward client certificate with</p>
  <blockquote>
  <p>http-request set-header X-SSL-Client-cert          %[ssl_c_der,base64]</p>
  </blockquote>
  <p>is it possible to forward with x.509 (PEM) format? Now it forwards with binary.</p>