  <varlistentry>
  <term><emphasis remap='B'>crlcheckinterval</emphasis></term>
  <listitem>
<para>interval expressed in second units, for example crlcheckinterval=8h
for 8 hours, after which pluto will fetch new Certificate Revocation List (CRL)
from crl distribution points. List of used CRL distribution points are
collected from CA certificates and end certificates. Loaded X.509 CRL's are
verified to be valid and updates are imported to NSS database.
If set to <emphasis remap='B'>0</emphasis>, which is also the default value
if this option is not specified, CRL updating is disabled.
</para>
  </listitem>
  </varlistentry>

