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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE simplesect PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
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This file is used by both mandos(8) and mandos.conf(5), since these
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options can be used both on the command line and in the config file.
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It is also used for some texts by mandos-client(8mandos).
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<para id="interface">
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If this is specified, the server will only announce the service
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and listen to requests on network interface
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<replaceable>IF</replaceable>. Default is to use all available
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interfaces. <emphasis>Note:</emphasis> a failure to bind to the
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specified interface is not considered critical, and the server
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and listen to requests on the specified network interface.
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Default is to use all available interfaces. <emphasis
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>Note:</emphasis> a failure to bind to the specified
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interface is not considered critical, and the server will not
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exit, but instead continue normally.
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<para id="address">
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If this option is used, the server will only listen to a specific
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address. This must currently be an IPv6 address; an IPv4 address
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can only be specified using the <quote><systemitem
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class="ipaddress">::FFFF:192.0.2.3</systemitem></quote> format.
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Also, if a link-local address is specified, an interface should be
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set, since a link-local address is only valid on a single
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interface. By default, the server will listen to all available
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If this option is used, the server will only listen to the
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specified IPv6 address. If a link-local address is specified, an
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interface should be set, since a link-local address is only valid
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on a single interface. By default, the server will listen to all
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available addresses. If set, this must normally be an IPv6
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address; an IPv4 address can only be specified using IPv4-mapped
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IPv6 address syntax: <quote><systemitem class="ipaddress"
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>::FFFF:192.0.2.3</systemitem ></quote>. (Only if IPv6 usage is
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<emphasis>disabled</emphasis> (see below) must this be an IPv4
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If the server is run in debug mode, it will run in the foreground
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and print a lot of debugging information. The default is
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<emphasis>not</emphasis> to run in debug mode.
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and print a lot of debugging information. The default is to
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<emphasis>not</emphasis> run in debug mode.
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<para id="priority">
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GnuTLS priority string for the TLS handshake with the clients.
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GnuTLS priority string for the <acronym>TLS</acronym> handshake.
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<quote><literal>SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP</literal></quote>.
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See <citerefentry><refentrytitle>gnutls_priority_init
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</refentrytitle><manvolnum>3</manvolnum></citerefentry> for the
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syntax. <emphasis>Warning</emphasis>: changing this may make the
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TLS handshake fail, making communication with clients impossible.
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<!-- ​ is Unicode ZERO WIDTH SPACE; allows line breaks -->
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<quote><literal>SECURE128​:!CTYPE-X.509​:+CTYPE-RAWPK​:!RSA​:!VERS-ALL​:+VERS-TLS1.3​:%PROFILE_ULTRA</literal></quote>
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when using raw public keys in TLS, and
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<quote><literal>SECURE256​:!CTYPE-X.509​:+CTYPE-OPENPGP​:!RSA​:+SIGN-DSA-SHA256</literal></quote>
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when using OpenPGP keys in TLS,. See <citerefentry><refentrytitle
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>gnutls_priority_init</refentrytitle>
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<manvolnum>3</manvolnum></citerefentry> for the syntax.
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<emphasis>Warning</emphasis>: changing this may make the
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<acronym>TLS</acronym> handshake fail, making server-client
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communication impossible. Changing this option may also make the
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network traffic decryptable by an attacker.
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<para id="servicename">
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Zeroconf service name. The default is
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<quote><literal>Mandos</literal></quote>. This only needs to be
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changed this if it, for some reason, is necessary to run more than
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one server on the same <emphasis>host</emphasis>, which would not
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changed if for some reason is would be necessary to run more than
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one server on the same <emphasis>host</emphasis>. This would not
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normally be useful. If there are name collisions on the same
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<emphasis>network</emphasis>, the newer server will automatically
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rename itself to <quote><literal>Mandos #2</literal></quote>, and
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so on; therefore, this option is not needed in that case.
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This option controls whether the server will provide a D-Bus
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system bus interface. The default is to provide such an
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This option controls whether the server will use IPv6 sockets and
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addresses. The default is to use IPv6. This option should
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<emphasis>never</emphasis> normally be turned off, <emphasis>even in
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IPv4-only environments</emphasis>. This is because <citerefentry>
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<refentrytitle>mandos-client</refentrytitle>
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<manvolnum>8mandos</manvolnum></citerefentry> will normally use
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IPv6 link-local addresses, and will not be able to find or connect
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to the server if this option is turned off. <emphasis>Only
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advanced users should consider changing this option</emphasis>.
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This option controls whether the server will restore its state
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from the last time it ran. Default is to restore last state.
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Directory to save (and restore) state in. Default is
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class="directory">/var/lib/mandos</filename></quote>.
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If this option is used, the server will not create a new network
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socket, but will instead use the supplied file descriptor. By
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default, the server will create a new network socket.
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<para id="foreground">
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This option will make the server run in the foreground and not
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write a PID file. The default is to <emphasis>not</emphasis> run
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in the foreground, except in <option>debug</option> mode, which
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This option controls whether the server will announce its
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existence using Zeroconf. Default is to use Zeroconf. If
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Zeroconf is not used, a <option>port</option> number or a
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<option>socket</option> is required.
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mandos-options.xml
