(see <a class="xref" href="auth-cert.html" title="21.12. Certificate Authentication">Section 21.12</a>).
  </p><p>
   Intermediate certificates that chain up to existing root certificates
   can also appear in the <a class="xref" href="runtime-config-connection.html#GUC-SSL-CA-FILE">ssl_ca_file</a> file if
   you wish to avoid storing them on clients (assuming the root and
   intermediate certificates were created with <code class="literal">v3_ca</code>
   extensions).  Certificate Revocation List (CRL) e