<?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>