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SIGNALS
=======
:code:`SIGHUP`
Cause OpenVPN to close all TUN/TAP and network connections, restart,
re-read the configuration file (if any), and reopen TUN/TAP and network
connections.
:code:`SIGUSR1`
Like :code:`SIGHUP``, except don't re-read configuration file, and
possibly don't close and reopen TUN/TAP device, re-read key files,
preserve local IP address/port, or preserve most recently authenticated
remote IP address/port based on ``--persist-tun``, ``--persist-key``,
``--persist-local-ip`` and ``--persist-remote-ip`` options respectively
(see above).
This signal may also be internally generated by a timeout condition,
governed by the ``--ping-restart`` option.
This signal, when combined with ``--persist-remote-ip``, may be sent
when the underlying parameters of the host's network interface change
such as when the host is a DHCP client and is assigned a new IP address.
See ``--ipchange`` for more information.
:code:`SIGUSR2`
Causes OpenVPN to display its current statistics (to the syslog file if
``--daemon`` is used, or stdout otherwise).
:code:`SIGINT`, :code:`SIGTERM`
Causes OpenVPN to exit gracefully.
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