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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE reference PUBLIC "-//OASIS//DTD DocBook V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<reference>
<title>SSSD Manual pages</title>
<refentry>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/upstream.xml" />
<refmeta>
<refentrytitle>sss_ssh_knownhostsproxy</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv id='name'>
<refname>sss_ssh_knownhostsproxy</refname>
<refpurpose>get OpenSSH host keys</refpurpose>
</refnamediv>
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>sss_ssh_knownhostsproxy</command>
<arg choice='opt'>
<replaceable>options</replaceable>
</arg>
<arg choice='plain'><replaceable>HOST</replaceable></arg>
<arg choice='opt'><replaceable>PROXY_COMMAND</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'>
<title>DESCRIPTION</title>
<para>
<command>sss_ssh_knownhostsproxy</command> acquires SSH host
public keys for host <replaceable>HOST</replaceable>, stores
them in a custom OpenSSH known_hosts file (see the
<quote>SSH_KNOWN_HOSTS FILE FORMAT</quote> section of
<citerefentry><refentrytitle>sshd</refentrytitle>
<manvolnum>8</manvolnum></citerefentry> for more information)
<filename>/var/lib/sss/pubconf/known_hosts</filename> and
estabilishes connection to the host.
</para>
<para>
If <replaceable>PROXY_COMMAND</replaceable> is specified,
it is used to create the connection to the host instead of
opening a socket.
</para>
<para>
<citerefentry><refentrytitle>ssh</refentrytitle>
<manvolnum>1</manvolnum></citerefentry> can be configured to
use <command>sss_ssh_knownhostsproxy</command> for host key
authentication by using the following directives for
<citerefentry><refentrytitle>ssh</refentrytitle>
<manvolnum>1</manvolnum></citerefentry> configuration:
<programlisting>
ProxyCommand /usr/bin/sss_ssh_knownhostsproxy -p %p %h
GlobalKnownHostsFile2 /var/lib/sss/pubconf/known_hosts
</programlisting>
</para>
<para>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/experimental.xml" />
</para>
</refsect1>
<refsect1 id='options'>
<title>OPTIONS</title>
<variablelist remap='IP'>
<varlistentry>
<term>
<option>-p</option>,<option>--port</option>
<replaceable>PORT</replaceable>
</term>
<listitem>
<para>
Use port <replaceable>PORT</replaceable> to connect to the host.
By default, port 22 is used.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-d</option>,<option>--domain</option>
<replaceable>DOMAIN</replaceable>
</term>
<listitem>
<para>
Search for host public keys in SSSD domain <replaceable>DOMAIN</replaceable>.
</para>
</listitem>
</varlistentry>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/param_help.xml" />
</variablelist>
</refsect1>
<refsect1 id='see_also'>
<title>SEE ALSO</title>
<para>
<citerefentry>
<refentrytitle>ssh</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>ssh_config</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>sss_ssh_authorizedkeys</refentrytitle><manvolnum>1</manvolnum>
</citerefentry>.
</para>
</refsect1>
</refentry>
</reference>
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