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$NetBSD: MESSAGE,v 1.1 2013/02/10 05:57:41 manu Exp $

In order to enable the use of this module, add this directive to a,
OpenVPN client configuration file

  plugin /usr/pkg/lib/openvpn/plugins/openvpn-nagios.so

It can also be configured this way:

  plugin /usr/pkg/lib/openvpn/plugins/openvpn-nagios.so -t 20 -d 2 -w 5 -c 3

    -t timeut (default 20 s)
    -d how many certificates expected in the chain (default 2)
    -w days to expiration that trigger a warning (default 3 days)
    -c days to expiration that trigger a critical (default 5 days)

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