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<!doctype refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN" [
<!-- Process this file with docbook-to-man to generate an nroff manual
page: `docbook-to-man manpage.sgml > manpage.1'. You may view
the manual page with: `docbook-to-man manpage.sgml | nroff -man |
less'. A typical entry in a Makefile or Makefile.am is:
manpage.1: manpage.sgml
docbook-to-man $< > $@
-->
<!-- Fill in your name for FIRSTNAME and SURNAME. -->
<!ENTITY dhfirstname "<firstname>Matt</firstname>">
<!ENTITY dhsurname "<surname>Zimmerman</surname>">
<!-- Please adjust the date whenever revising the manpage. -->
<!ENTITY dhdate "<date>February 12, 2002</date>">
<!-- SECTION should be 1-8, maybe w/ subsection other parameters are
allowed: see man(7), man(1). -->
<!ENTITY dhsection "<manvolnum>8</manvolnum>">
<!ENTITY dhemail "<email>mdz@debian.org</email>">
<!ENTITY dhusername "Matt Zimmerman">
<!ENTITY dhucpackage "<refentrytitle>TUNCTL</refentrytitle>">
<!ENTITY dhpackage "tunctl">
<!ENTITY debian "<productname>Debian GNU/Linux</productname>">
<!ENTITY gnu "<acronym>GNU</acronym>">
]>
<refentry>
<refentryinfo>
<address>
&dhemail;
</address>
<author>
&dhfirstname;
&dhsurname;
</author>
<copyright>
<year>2001</year>
<holder>&dhusername;</holder>
</copyright>
&dhdate;
</refentryinfo>
<refmeta>
&dhucpackage;
&dhsection;
</refmeta>
<refnamediv>
<refname>&dhpackage;</refname>
<refpurpose>create and manage persistent TUN/TAP interfaces</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>&dhpackage;</command>
<arg choice=opt><option>-f</option> <replaceable>tun-clone-device</replaceable></arg>
<arg><option>-u</option> <replaceable>owner</replaceable></arg>
<arg><option>-t</option> <replaceable>device-name</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>&dhpackage;</command>
<arg choice=opt><option>-f</option> <replaceable>tun-clone-device</replaceable></arg>
<arg choice=req><option>-d</option> <replaceable>device-name</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>This manual page documents briefly the
<command>&dhpackage;</command> command.</para>
<para>This manual page was written for the &debian; distribution
because the original program does not have a manual page.
Instead, it has documentation in HTML format; see below.</para>
<para><command>&dhpackage;</command> allows the host sysadmin to
preconfigure a TUN/TAP device for use by a particular user. That
user may open and use the device, but may not change any aspects
of the host side of the interface.</para>
</refsect1>
<refsect1>
<title>USAGE</title>
<para>To create an interface for use by a particular user, invoke
tunctl without the -d option:</para>
<informalexample>
<screen>
<prompt>#</prompt> <userinput>tunctl -u someuser</userinput>
Set 'tap0' persistent and owned by 'someuser'
</screen>
</informalexample>
<para>Then, configure the interface as normal:</para>
<informalexample>
<screen>
<prompt>#</prompt> <userinput>ifconfig tap0 192.168.0.254 up</userinput>
<prompt>#</prompt> <userinput>route add -host 192.168.0.253 dev tap0</userinput>
<prompt>#</prompt> <userinput>bash -c 'echo 1 > /proc/sys/net/ipv4/conf/tap0/proxy_arp'</userinput>
<prompt>#</prompt> <userinput>arp -Ds 192.168.0.253 eth0 pub</userinput>
</screen>
</informalexample>
<para>To delete the interface, use the -d option:</para>
<informalexample>
<screen>
<prompt>#</prompt> <userinput>tunctl -d tap0</userinput>
Set 'tap0' nonpersistent
</screen>
</informalexample>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
<para>The <ulink
url="http://user-mode-linux.sourceforge.net/UserModeLinux-HOWTO.html"
type=alternate>UserModeLinux-HOWTO</ulink></para>
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>&dhpackage; was written by Jeff Dike
<email>jdike@karaya.com</email></para>
<para>This manual page was written by &dhusername; &dhemail; for
the &debian; system, based on examples from Jeff Dike.</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
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-->
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