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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-_UPDOWN</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class='date'>28 Oct 2006</refmiscinfo>
<refmiscinfo class="source">Libreswan</refmiscinfo>
<refmiscinfo class="version">@@IPSECVERSION@@</refmiscinfo>
<refmiscinfo class="manual">Executable programs</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>ipsec-_updown</refname>
<refpurpose>routing manipulation script</refpurpose>
</refnamediv>
<!-- body begins here -->
<refsynopsisdiv id='synopsis'>
<para>
<command>_updown</command>
is invoked by pluto when it has brought up a new connection. This script
is used to insert the appropriate routing entries for IPsec operation on
some kernel IPsec stacks, and may do other
necessary work that is kernel or user specific, such as defining custom
firewall rules.
The interface to the script is documented in the pluto man page.
</para>
</refsynopsisdiv>
<refsect1 id='variables'>
<title>VARIABLES</title>
<para>
The <command>_updown</command> is passed along a number of
variables which can be used to act differently based on the information:
</para>
<variablelist>
<varlistentry>
<term>
<emphasis>PLUTO_VERB</emphasis>
</term>
<listitem>
<para>
specifies the name of the operation to be performed, which
can be one of <option>prepare-host</option>, <option>prepare-client</option>,
<option>up-host</option>, <option>up-client</option>,
<option>down-host</option> or <option>down-client</option>. If the address
family for security gateway to security gateway communications is IPv6, then
a suffix of -v6 is added to this verb.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_CONNECTION</emphasis>
</term>
<listitem>
<para>
is the name of the connection for which we are routing.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_NEXT_HOP</emphasis>
</term>
<listitem>
<para>
is the next hop to which packets bound for the peer must be sent.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_INTERFACE</emphasis>
</term>
<listitem>
<para>
is the name of the real interface used by encrypted traffic and IKE traffic.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_ME</emphasis>
</term>
<listitem>
<para>
is the IP address of our host.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_MY_CLIENT</emphasis>
</term>
<listitem>
<para>
is the IP address / count of our client subnet. If the client
is just the host, this will be the host's own IP address / max
(where max is 32 for IPv4 and 128 for IPv6).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_MY_CLIENT_NET</emphasis>
</term>
<listitem>
<para>
is the IP address of our client net. If the client is just the
host, this will be the host's own IP address.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_MY_CLIENT_MASK</emphasis>
</term>
<listitem>
<para>
is the mask for our client net. If the client is just the host,
this will be 255.255.255.255.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER</emphasis>
</term>
<listitem>
<para>
is the IP address of our peer.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_CLIENT</emphasis>
</term>
<listitem>
<para>
is the IP address / count of the peer's client subnet. If the
client is just the peer, this will be the peer's own IP address / max
(where max is 32 for IPv4 and 128 for IPv6).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_CLIENT_NET</emphasis>
</term>
<listitem>
<para>
is the IP address of the peer's client net. If the client is
just the peer, this will be the peer's own IP address.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_CLIENT_MASK</emphasis>
</term>
<listitem>
<para>
is the mask for the peer's client net. If the client is just
the peer, this will be 255.255.255.255.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_MY_PROTOCOL</emphasis>
</term>
<listitem>
<para>
lists the protocols allowed over this IPsec SA.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_PROTOCOL</emphasis>
</term>
<listitem>
<para>
lists the protocols the peer allows over this IPsec SA.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_MY_PORT</emphasis>
</term>
<listitem>
<para>
lists the ports allowed over this IPsec SA.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_PORT</emphasis>
</term>
<listitem>
<para>
lists the ports the peer allows over this IPsec SA.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_MY_ID</emphasis>
</term>
<listitem>
<para>
lists our id.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_ID</emphasis>
</term>
<listitem>
<para>
lists our peer's id.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<emphasis>PLUTO_PEER_CA</emphasis>
</term>
<listitem>
<para>
lists the peer's CA.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='see_also'>
<title>SEE ALSO</title>
<para>
<citerefentry><refentrytitle>ipsec</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>ipsec-pluto</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>
<refsect1 id='history'>
<title>HISTORY</title>
<para>
Man page written for the Linux FreeS/WAN project
<<ulink url='https://www.freeswan.org/'>https://www.freeswan.org/</ulink>>
by Michael Richardson. Original program written by Henry Spencer.
</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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