forked from extern/shorewall_code
8e93d3b6ec
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@2380 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
609 lines
22 KiB
XML
609 lines
22 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<article id="Install">
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<!--$Id$-->
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<articleinfo>
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<title>Shorewall Installation and Upgrade</title>
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<authorgroup>
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<author>
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<firstname>Tom</firstname>
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<surname>Eastep</surname>
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</author>
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</authorgroup>
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<pubdate>2005-07-15</pubdate>
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<copyright>
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<year>2001</year>
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<year>2002</year>
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<year>2003</year>
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<year>2004</year>
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<year>2005</year>
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<holder>Thomas M. Eastep</holder>
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</copyright>
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<legalnotice>
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<para>Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU Free Documentation License, Version
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1.2 or any later version published by the Free Software Foundation; with
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no Invariant Sections, with no Front-Cover, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled
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<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
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License</ulink></quote>.</para>
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</legalnotice>
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</articleinfo>
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<important>
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<para>Before attempting installation, I strongly urge you to read and
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print a copy of the <ulink url="shorewall_quickstart_guide.htm">Shorewall
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QuickStart</ulink> Guide for the configuration that most closely matches
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your own.</para>
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</important>
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<important>
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<para>Before upgrading, be sure to review the <ulink
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url="upgrade_issues.htm">Upgrade Issues</ulink>.</para>
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</important>
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<section id="Install_RPM">
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<title>Install using RPM</title>
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<para>To install Shorewall using the RPM:</para>
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<orderedlist>
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<listitem>
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<para><emphasis role="bold">Be sure that you have the correct RPM
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package!</emphasis></para>
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<para>The standard RPM package from shorewall.net and the mirrors is
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known to work with <emphasis
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role="bold"><trademark>Suse</trademark></emphasis>, <emphasis
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role="bold"><trademark>Power PPC</trademark></emphasis>, <emphasis
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role="bold"><trademark>Trustix</trademark></emphasis> and <emphasis
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role="bold"><trademark>TurboLinux</trademark></emphasis>. There is
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also an RPM package provided by Simon Matter that is taylored for
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<trademark><emphasis role="bold">RedHat/Fedora</emphasis></trademark>
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and another package from Jack Coates that is customized for <emphasis
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role="bold"><trademark>Mandrake</trademark></emphasis>. All of these
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are available from the <ulink
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url="http://www.shorewall.net/download.htm">download
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page</ulink>.</para>
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<para>If you try to install the wrong package, it probably won't
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work.</para>
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</listitem>
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<listitem>
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<para>Install the RPM</para>
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<programlisting><command>rpm -ivh <shorewall rpm></command></programlisting>
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<caution>
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<para>Some users are in the habit of using the <command>rpm
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-U</command> command for installing packages as well as for updating
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them. If you use that command when installing the Shorewall RPM then
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you will have to manually enable Shorewall startup at boot time by
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running <command>chkconfig</command>, <command>insserv</command> or
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whatever utility you use to manipulate you init symbolic
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links.</para>
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</caution>
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<note>
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<para>Some SuSE users have encountered a problem whereby rpm reports
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a conflict with kernel <= 2.2 even though a 2.4 kernel is
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installed. If this happens, simply use the --nodeps option to
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rpm.</para>
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<programlisting><filename><command>rpm -ivh --nodeps <shorewall rpm></command></filename></programlisting>
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</note>
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<note>
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<para>Shorewall is dependent on the iproute package. Unfortunately,
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some distributions call this package iproute2 which will cause the
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installation of Shorewall to fail with the diagnostic:</para>
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<programlisting>error: failed dependencies:iproute is needed by shorewall-2.2.x-1</programlisting>
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<para>This problem should not occur if you are using the correct RPM
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package (see 1., above) but may be worked around by using the
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--nodeps option of rpm.</para>
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<programlisting><command>rpm -ivh --nodeps <shorewall rpm></command></programlisting>
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</note>
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</listitem>
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<listitem>
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<para>Edit the <link linkend="Config_Files">configuration files</link>
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to match your configuration.</para>
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<warning>
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<para>YOU CAN <emphasis role="bold">NOT</emphasis> SIMPLY INSTALL
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THE RPM AND ISSUE A <quote>shorewall start</quote> COMMAND. SOME
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CONFIGURATION IS REQUIRED BEFORE THE FIREWALL WILL START. IF YOU
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ISSUE A <quote>start</quote> COMMAND AND THE FIREWALL FAILS TO
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START, YOUR SYSTEM WILL NO LONGER ACCEPT ANY NETWORK TRAFFIC. IF
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THIS HAPPENS, ISSUE A <quote>shorewall clear</quote> COMMAND TO
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RESTORE NETWORK CONNECTIVITY.</para>
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</warning>
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</listitem>
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<listitem>
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<para>Enable startup by removing
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<filename>/etc/shorewall/startup_disabled</filename> (If you are
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running Shorewall 2.1.3 or later, edit
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/<filename>etc/shorewall/shorewall.conf</filename> and set
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STARTUP_ENABLED to Yes).</para>
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</listitem>
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<listitem>
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<para>Start the firewall by typing</para>
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<programlisting><command>shorewall start</command></programlisting>
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</listitem>
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</orderedlist>
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</section>
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<section id="Install_Tarball">
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<title>Install using tarball</title>
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<para>To install Shorewall using the tarball and install script:</para>
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<orderedlist>
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<listitem>
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<para>unpack the tarball (tar -zxf shorewall-x.y.z.tgz).</para>
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</listitem>
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<listitem>
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<para>cd to the shorewall directory (the version is encoded in the
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directory name as in <quote>shorewall-1.1.10</quote>).</para>
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</listitem>
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<listitem>
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<para>If you are running <ulink
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url="http://www.slackware.com">Slackware</ulink>, you need Shorewall
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2.0.2 RC1 or later. If you are installing a Shorewall version earlier
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than 2.0.3 Beta 1 then you must also edit the install.sh file and
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change the lines</para>
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<programlisting>DEST="/etc/init.d"
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INIT="shorewall"</programlisting>
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<para>to</para>
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<programlisting>DEST="/etc/rc.d"
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INIT="rc.firewall"</programlisting>
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</listitem>
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<listitem>
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<para>If you are running Slackware and are installing Shorewall 2.0.3
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Beta 1 to Shorewall 2.2.3, then type:</para>
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<programlisting><emphasis role="bold">DEST=/etc/rc.d INIT=rc.firewall ./install.sh</emphasis></programlisting>
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<para>If you are running Slackware and are installing Shorewall 2.2.4
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or later, then type:</para>
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<programlisting><command>./install.sh</command></programlisting>
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</listitem>
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<listitem>
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<para>Otherwise, type:</para>
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<programlisting><command>./install.sh</command></programlisting>
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</listitem>
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<listitem>
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<para>Edit the <link linkend="Config_Files">configuration files</link>
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to match your configuration.</para>
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</listitem>
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<listitem>
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<para>Enable Startup:</para>
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<itemizedlist>
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<listitem>
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<para>Users running Shorewall 2.1.3 or later, edit
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<filename>/etc/shorewall/shorewall.conf</filename> and set
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STARTUP_ENABLED=Yes.</para>
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</listitem>
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<listitem>
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<para>Users running Shorewall 2.1.2 or earlier and using the .deb
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should edit <filename>/etc/default/shorewall</filename> and set
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startup=1.</para>
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</listitem>
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<listitem>
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<para>All other users, remove the file
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<filename>/etc/shorewall/startup_disabled</filename></para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para>Start the firewall by typing</para>
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<programlisting><command>shorewall start</command></programlisting>
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</listitem>
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<listitem>
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<para>If the install script was unable to configure Shorewall to be
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started automatically at boot, see <ulink
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url="starting_and_stopping_shorewall.htm">these
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instructions</ulink>.</para>
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</listitem>
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</orderedlist>
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</section>
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<section id="LRP">
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<title>Install the .lrp</title>
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<para>To install my version of Shorewall on a fresh Bering disk, simply
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replace the <quote>shorwall.lrp</quote> file on the image with the file
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that you downloaded. For example, if you download
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<filename>shorewall-lrp-2.2.0.tgz</filename> then you will rename the file
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to <filename>shorwall.lrp</filename> and replace the file by that name on
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the Bering disk with the new file. Then proceed to configure Shorewall as
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described in the Bering (or Bering uClibc) documentation.</para>
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</section>
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<section>
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<title>Install the .deb</title>
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<important>
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<para>Once you have installed the .deb package and before you attempt to
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configure Shorewall, please heed the advice of Lorenzo Martignoni, the
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Shorewall Debian Maintainer:</para>
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<para><quote>For more information about Shorewall usage on Debian system
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please look at /usr/share/doc/shorewall/README.Debian provided by [the]
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shorewall Debian package.</quote></para>
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</important>
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<para>The easiest way to install Shorewall on Debian, is to use
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apt-get:</para>
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<para><command>apt-get install shorewall</command></para>
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<para>To ensure that you are installing the latest version of Shorewall,
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please modify your <filename>/etc/apt/sources.list</filename> file as
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described <ulink
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url="http://idea.sec.dico.unimi.it/%7Elorenzo/index.html#Debian">here</ulink>.</para>
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<para>Once you have completed configuring Shorewall, you can enable
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startup at boot time by setting startup=1 in
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<filename>/etc/default/shorewall</filename>.</para>
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</section>
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<section>
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<title>General Notes about Upgrading Shorewall</title>
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<para>Most problems associated with upgrades come from two causes:</para>
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<itemizedlist>
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<listitem>
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<para>The user didn't read and follow the migration considerations in
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the release notes (these are also reproduced in the <ulink
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url="upgrade_issues.htm">Shorewall Upgrade Issues</ulink>.</para>
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</listitem>
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<listitem>
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<para>The user mis-handled the
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<filename>/etc/shorewall/shorewall.conf</filename> file during
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upgrade. Shorewall is designed to allow the default behavior of the
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product to evolve over time. To make this possible, the design assumes
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that <emphasis role="bold">you will not replace your current
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shorewall.conf</emphasis> <emphasis role="bold">file during
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upgrades</emphasis>. It is recommended that after you first install
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Shorewall that you modify
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<filename>/etc/shorewall/shorewall.conf</filename> so as to prevent
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your package manager from overwriting it during subsequent upgrades
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(since the addition of STARTUP_ENABLED, such modification is assured
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since you must manually change the setting of that option). If you
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feel absolutely compelled to have the latest comments and options in
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your shorewall.conf then you must proceed carefully. You should
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determine which new options have been added and you must reset their
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value (e.g. OPTION=""); otherwise, you will get different behavior
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from what you expect.</para>
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</listitem>
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</itemizedlist>
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</section>
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<section id="Upgrade_RPM">
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<title>Upgrade using RPM</title>
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<para>If you already have the Shorewall RPM installed and are upgrading to
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a new version:</para>
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<orderedlist>
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<listitem>
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<para><emphasis role="bold">Be sure that you have the correct RPM
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package!</emphasis></para>
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<para>The standard RPM package from shorewall.net and the mirrors is
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known to work with Suse, Power PPC, Trustix and TurboLinux. There is
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also an RPM package provided by Simon Matter that is taylored for
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RedHat/Fedora and another package from Jack Coates that is customized
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for Mandrake. If you try to upgrade using the wrong package, it
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probably won't work.</para>
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</listitem>
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<listitem>
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<para>Upgrade the RPM</para>
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<programlisting><command>rpm -Uvh <shorewall rpm file></command></programlisting>
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<note>
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<para>Some SuSE users have encountered a problem whereby rpm reports
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a conflict with kernel <= 2.2 even though a 2.4 kernel is
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installed. If this happens, simply use the --nodeps option to
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rpm.</para>
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<programlisting><command>rpm -Uvh --nodeps <shorewall rpm></command></programlisting>
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</note>
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<note>
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<para>Beginning with Shorewall 1.4.0, Shorewall is dependent on the
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iproute package. Unfortunately, some distributions call this package
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iproute2 which will cause the upgrade of Shorewall to fail with the
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diagnostic:</para>
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<programlisting>error: failed dependencies:iproute is needed by shorewall-1.4.0-1</programlisting>
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<para>This may be worked around by using the --nodeps option of
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rpm.</para>
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<programlisting><command>rpm -Uvh --nodeps <shorewall rpm></command></programlisting>
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</note>
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</listitem>
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<listitem>
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<para>See if there are any incompatibilities between your
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configuration and the new Shorewall version and correct as
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necessary.</para>
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<programlisting><command>shorewall check</command></programlisting>
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</listitem>
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<listitem>
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<para>Restart the firewall.</para>
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<programlisting><command>shorewall restart</command></programlisting>
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</listitem>
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</orderedlist>
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</section>
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<section id="Upgrade_Tarball">
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<title>Upgrade using tarball</title>
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<para>If you already have Shorewall installed and are upgrading to a new
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version using the tarball:</para>
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<orderedlist>
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<listitem>
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<para>unpack the tarball.</para>
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<programlisting><command>tar -zxf shorewall-x.y.z.tgz</command></programlisting>
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</listitem>
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<listitem>
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<para>cd to the shorewall directory (the version is encoded in the
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directory name as in <quote>shorewall-3.0.1</quote>).</para>
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</listitem>
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<listitem>
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<para>If you are running <ulink
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url="http://www.slackware.com">Slackware</ulink>, you should use
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Shorewall 2.0.2 RC1 or later. If you are installing a Shorewall
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version earlier than 2.0.3 Beta 1 then you must also edit the
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install.sh file and change the lines</para>
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<programlisting>DEST="/etc/init.d"
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INIT="shorewall"</programlisting>
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<para>to</para>
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<programlisting>DEST="/etc/rc.d"
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INIT="rc.firewall"</programlisting>
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</listitem>
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<listitem>
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<para>If you are running Slackware and are installing Shorewall 2.0.3
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Beta 1 through Shorewall 2.2.3, then type:</para>
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<programlisting><emphasis role="bold">DEST=/etc/rc.d INIT=rc.firewall ./install.sh</emphasis></programlisting>
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<para>If you are running Slackware and are installing Shorewall 2.2.4
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or later, then type:</para>
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<programlisting><command>./install.sh</command></programlisting>
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</listitem>
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<listitem>
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<para>Otherwise, type:</para>
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<programlisting><command>./install.sh</command></programlisting>
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</listitem>
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<listitem>
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<para>See if there are any incompatibilities between your
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configuration and the new Shorewall version and correct as
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necessary.</para>
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<programlisting><command>shorewall check</command></programlisting>
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</listitem>
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<listitem>
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<para>Start the firewall by typing</para>
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<programlisting><command>shorewall start</command></programlisting>
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</listitem>
|
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<listitem>
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<para>If the install script was unable to configure Shorewall to be
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started automatically at boot, see <ulink
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url="starting_and_stopping_shorewall.htm">these
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instructions</ulink>.</para>
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</listitem>
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</orderedlist>
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</section>
|
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|
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<section id="LRP_Upgrade">
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<title>Upgrade the .lrp</title>
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<para>The following was contributed by Charles Steinkuehler on the Leaf
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mailing list:</para>
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<blockquote>
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<para>It's *VERY* simple...just put in a new CD and reboot! :-)
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Actually, I'm only slightly kidding...that's exactly how I upgrade my
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prodution firewalls. The partial backup feature I added to
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Dachstein allows configuration data to be stored seperately from the
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rest of the package.</para>
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<para>Once the config data is seperated from the rest of the package,
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it's an easy matter to upgrade the pacakge while keeping your current
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configuration (in my case, just inserting a new CD and
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re-booting).</para>
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<para>Users who aren't running with multiple package paths and using
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partial backups can still upgrade a package, it just takes a bit of
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extra work. The general idea is to use a partial backup to save
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your configuration, replace the package, and restore your old
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configuration files. Step-by-step instructions for one way to do this
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(assuming a conventional single-floppy LEAF system) would be:</para>
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<itemizedlist>
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<listitem>
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<para>Make a backup copy of your firewall disk ('NEW'). This
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is the disk you will add the upgraded package(s) to.</para>
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</listitem>
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<listitem>
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<para>Format a floppy to use as a temporary location for your
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configuration file(s) ('XFER'). This disk should have the same
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format as your firewall disk (and could simply be another backup
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copy of your current firewall).</para>
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</listitem>
|
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<listitem>
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<para>Make sure you have a working copy of your existing firewall
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('OLD') in a safe place, that you *DO NOT* use durring this process.
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That way, if anything goes wrong you can simply reboot off the OLD
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|
disk to get back to a working configuration.</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Remove your current firewall configuration disk and replace it
|
|
with the XFER disk.</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Use the lrcfg backup menu to make a partial backup of the
|
|
package(s) you want to upgrade, being sure to backup the files to
|
|
the XFER disk. From the backup menu:</para>
|
|
|
|
<programlisting>t e <enter> p <enter>
|
|
b <package1> <enter>
|
|
b <package2> <enter>
|
|
...</programlisting>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Download and copy the package(s) you want to upgrade onto the
|
|
NEW disk.</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Reboot your firewall using the NEW disk...at this point your
|
|
upgraded packages will have their default configuration.</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Mount the XFER disk (mount -t msdos /dev/fd0u1680 /mnt)</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>CD to the root directory (cd /)</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Manually extract configuration data for each package you
|
|
upgraded:</para>
|
|
|
|
<programlisting>tar -xzvf /mnt/package1.lrp
|
|
tar -xzvf /mnt/package2.lrp
|
|
...</programlisting>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Unmount (umount /mnt) and remove the XFER disk</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Using lrcfg, do *FULL* backups of your upgraded
|
|
packages.</para>
|
|
</listitem>
|
|
|
|
<listitem>
|
|
<para>Reboot, verifying the firewall works as expected. Some
|
|
configuration files may need to be 'tweaked' to work properly with
|
|
the upgraded package binaries.</para>
|
|
</listitem>
|
|
</itemizedlist>
|
|
|
|
<important>
|
|
<para>The new package file <package>.local can be used to
|
|
fine-tune which files are included (and excluded) from the partial
|
|
backup (see the Dachstein-CD README for details). If this file
|
|
doesn't exist, the backup scripts assume anything from the
|
|
<package>.list file that resides in /etc or /var/lib/lrpkg is
|
|
part of the configuration data and is used to create the partial
|
|
backup. If shorewall puts anything in /etc that isn't a user
|
|
modified configuration file, a proper shorwall.local file should be
|
|
created prior to making the partial backup [<emphasis
|
|
role="bold">Editor's note</emphasis>: Shorewall places only
|
|
user-modifiable files in /etc].</para>
|
|
</important>
|
|
|
|
<note>
|
|
<para>It's obviously possible to do the above 'in-place', without
|
|
using multiple disks, and even without making a partial backup (ie:
|
|
copy current config files to /tmp, manually extract new package on top
|
|
of current running firewall, then copy or merge config data from /tmp
|
|
and backup...or similar), but anyone capable of that level of command
|
|
line gymnastics is probably doing it already, without needing detailed
|
|
instructions! :-)</para>
|
|
</note>
|
|
</blockquote>
|
|
|
|
<para>For information on other LEAF/Bering upgrade tools, check out <ulink
|
|
url="http://cvs.sourceforge.net/viewcvs.py/*checkout*/leaf/devel/alexrh/lck/READM">this
|
|
article by Alex Rhomberg</ulink>.</para>
|
|
</section>
|
|
|
|
<section id="Config_Files">
|
|
<title>Configuring Shorewall</title>
|
|
|
|
<para>You will need to edit some or all of the configuration files to
|
|
match your setup. In most cases, the <ulink
|
|
url="shorewall_quickstart_guide.htm">Shorewall QuickStart Guides</ulink>
|
|
contain all of the information you need.</para>
|
|
</section>
|
|
|
|
<section>
|
|
<title>Uninstall/Fallback</title>
|
|
|
|
<para>See <quote><ulink url="fallback.htm">Fallback and
|
|
Uninstall</ulink></quote>.</para>
|
|
</section>
|
|
</article> |