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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
<refentry>
<refmeta>
<refentrytitle>IPSEC-_STACKMANAGER</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class='date'>06 May 2019</refmiscinfo>
<refmiscinfo class="source">Libreswan</refmiscinfo>
<refmiscinfo class="version">@@IPSECVERSION@@</refmiscinfo>
<refmiscinfo class="manual">Executable programs</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>ipsec-_stackmanager</refname>
<refpurpose>internal script to bring up kernel components for Libreswan</refpurpose>
</refnamediv>
<!-- body begins here -->
<refsynopsisdiv id="synopsis">
<cmdsynopsis>
<command>ipsec _stackmanager</command>
<group choice='req'>
<arg choice='plain'>start</arg>
<arg choice='plain'>stop</arg>
</group>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'>
<title>DESCRIPTION</title>
<para>
<command>ipsec _stackmanager</command> is called
from within the init sub-system (systemd, upstart, sysv initscripts)
to bring up the Libreswan kernel component as configured via the
<emphasis>protostack=</emphasis> option in the <emphasis>ipsec.conf</emphasis>
configuration file.
</para>
<para>
This involves loading and optionally unloading of the required
kernel modules. Because the Linux kernel cannot autodetect most crypto
related drivers on-demand, _stackmanager handles loading the modules
for the specific IPsec stack.
</para>
</refsect1>
<refsect1 id='see_also'>
<title>SEE ALSO</title>
<para>
<citerefentry><refentrytitle>ip</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>ipsec.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>ipsec</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>pluto</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>
<refsect1 id='history'>
<title>HISTORY</title>
<para>
This script was introduced in Libreswan. On the older Openswan systems,
this functionality was split over various script files such as ipsec _startnetkey,
ipsec _startklips, ipsec _realsetup and ipsec setup.
Man page written for the Libreswan project
<<ulink url='https://libreswan.org/'>https://libreswan.org/</ulink>>
by Paul Wouters.
</para>
</refsect1>
<refsect1 id='author'>
<title>AUTHOR</title>
<para>
<author><personname><firstname>Paul</firstname><surname>Wouters</surname></personname></author>
</para>
</refsect1>
</refentry>
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