mirror of
https://github.com/Zeckmathederg/glfs.git
synced 2025-02-01 21:12:12 +08:00
3f2d28f90b
Mesa-10.4.3: fix build with libtool-2.4.2. Thanks to Igor and Pierre for confirming no problem with libtool-2.4.4. Update to nspr-4.10.8. git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@15391 af4574ff-66df-0310-9fd7-8a98e5e911e0
326 lines
12 KiB
XML
326 lines
12 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 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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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY stunnel-download-http "http://mirrors.zerg.biz/stunnel/stunnel-&stunnel-version;.tar.gz">
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<!ENTITY stunnel-download-ftp "ftp://ftp.stunnel.org/stunnel/stunnel-&stunnel-version;.tar.gz">
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<!ENTITY stunnel-md5sum "a0edda805eb7d6ea600a230fb0979ea1">
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<!ENTITY stunnel-size "592 KB">
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<!ENTITY stunnel-buildsize "6 MB">
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<!ENTITY stunnel-time "0.1 SBU">
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]>
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<sect1 id="stunnel" xreflabel="stunnel-&stunnel-version;">
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<?dbhtml filename="stunnel.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>stunnel-&stunnel-version;</title>
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<indexterm zone="stunnel">
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<primary sortas="a-stunnel">stunnel</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to stunnel</title>
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<para>The <application>stunnel</application> package contains a program
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that allows you to encrypt arbitrary TCP connections inside SSL (Secure
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Sockets Layer) so you can easily communicate with clients over secure
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channels. <application>stunnel</application> can be used to add SSL
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functionality to commonly used <application>Inetd</application> daemons
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like POP-2, POP-3, and IMAP servers, to standalone daemons like NNTP,
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SMTP and HTTP, and in tunneling PPP over network sockets without changes
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to the server package source code.</para>
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&lfs76_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&stunnel-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&stunnel-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &stunnel-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &stunnel-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &stunnel-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &stunnel-time;</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">stunnel Dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required">
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<xref linkend="openssl"/>
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<ulink url="ftp://ftp.porcupine.org/pub/security/">tcpwrappers</ulink> and
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<ulink url="https://dist.torproject.org/">TOR</ulink>
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</para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/stunnel"/></para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of stunnel</title>
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<para>The <command>stunnel</command> daemon will be run in a
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<command>chroot</command> jail by an unprivileged user. Create the
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new user and group using the following commands as the
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<systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>groupadd -g 51 stunnel &&
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useradd -c "stunnel Daemon" -d /var/lib/stunnel \
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-g stunnel -s /bin/false -u 51 stunnel</userinput></screen>
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<note>
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<para>A signed SSL Certificate and a Private Key is necessary to run the
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<command>stunnel</command> daemon. Further below, after
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<command>make ... install</command>, we include instructions to generate
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them. However, if you own, or have already created a signed SSL
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Certificate you wish to use, copy it to
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<filename>/etc/stunnel/stunnel.pem</filename> before starting the build
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(ensure only <systemitem class="username">root</systemitem> has read and
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write access). The <filename class="extension">.pem</filename> file must
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be formatted as shown below:</para>
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<screen><literal>-----BEGIN PRIVATE KEY-----
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<replaceable><many encrypted lines of private key></replaceable>
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-----END PRIVATE KEY-----
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-----BEGIN CERTIFICATE-----
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<replaceable><many encrypted lines of certificate></replaceable>
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-----END CERTIFICATE-----
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-----BEGIN DH PARAMETERS-----
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<replaceable><encrypted lines of dh parms></replaceable>
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-----END DH PARAMETERS-----</literal></screen>
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</note>
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<para>Install <application>stunnel</application> by running the following
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commands:</para>
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<note><para>For some systems with <application>binutils</application>
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versions prior to 2.25, <command>configure</command> may fail. If
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necessary, fix it either with:</para>
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<screen><userinput>sed -i '/LDFLAGS.*static_flag/ s/^/#/' configure</userinput></screen>
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<para>or, if <xref linkend="llvm"/> with Clang is installed, you can
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replace <command>./configure ... </command> with <command>CC=clang
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./configure ... </command> in the first command bellow.</para></note>
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<screen><userinput>./configure --prefix=/usr \
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--sysconfdir=/etc \
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--localstatedir=/var \
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--disable-systemd &&
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make</userinput></screen>
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<para>This package does not come with a test suite.</para>
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<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>make docdir=/usr/share/doc/stunnel-&stunnel-version; install</userinput></screen>
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<para>To create the <filename>stunnel.pem</filename> in the
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<filename class="directory">/etc/stunnel</filename> directory,
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you need to create one. The following command prompts you
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for the necessary information. Ensure you reply to the</para>
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<screen><prompt>Common Name (FQDN of your server) [localhost]:</prompt></screen>
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<para>prompt with the name or IP address you will be using
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to access the service(s).</para>
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<para>To generate a certificate, as the
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<systemitem class="username">root</systemitem> user, run:</para>
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<screen role="root"><userinput>make cert</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para><parameter>--disable-systemd</parameter>: This switch disables
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systemd socket activation support, not available in BLFS.</para>
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<para><command>make docdir=... install</command>: This command installs the
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package, changes the documentation installation directory to standard
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naming conventions.</para>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring stunnel</title>
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<sect3 id="stunnel-config">
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<title>Config Files</title>
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<para><filename>/etc/stunnel/stunnel.conf</filename></para>
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<indexterm zone="stunnel stunnel-config">
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<primary sortas="e-etc-stunnel-stunnel.conf">/etc/stunnel/stunnel.conf</primary>
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</indexterm>
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</sect3>
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<sect3>
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<title>Configuration Information</title>
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<para>As the <systemitem class="username">root</systemitem> user,
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create the directory used for the
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<filename class="extension">.pid</filename> file that is created
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when the <application>stunnel</application> daemon starts:</para>
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<screen role="root"><userinput>install -v -m750 -o stunnel -g stunnel -d /var/lib/stunnel/run &&
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chown stunnel:stunnel /var/lib/stunnel</userinput></screen>
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<para>Next, create a basic <filename>/etc/stunnel/stunnel.conf</filename>
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configuration file using the following commands as the
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<systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>cat >/etc/stunnel/stunnel.conf << "EOF" &&
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<literal>; File: /etc/stunnel/stunnel.conf
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; Note: The pid and output locations are relative to the chroot location.
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pid = /run/stunnel.pid
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chroot = /var/lib/stunnel
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client = no
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setuid = stunnel
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setgid = stunnel
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cert = /etc/stunnel/stunnel.pem
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;debug = 7
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;output = stunnel.log
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;[https]
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;accept = 443
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;connect = 80
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;; "TIMEOUTclose = 0" is a workaround for a design flaw in Microsoft SSL
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;; Microsoft implementations do not use SSL close-notify alert and thus
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;; they are vulnerable to truncation attacks
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;TIMEOUTclose = 0</literal>
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EOF
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chmod -v 644 /etc/stunnel/stunnel.conf</userinput></screen>
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<para>Finally, you need to add the service(s) you wish to encrypt to the
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configuration file. The format is as follows:</para>
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<screen><literal>[<replaceable><service></replaceable>]
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accept = <replaceable><hostname:portnumber></replaceable>
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connect = <replaceable><hostname:portnumber></replaceable></literal></screen>
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<para>If you use <application>stunnel</application> to encrypt a daemon
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started from <command>[x]inetd</command>, you may need to disable that
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daemon in the <filename>/etc/[x]inetd.conf</filename> file and enable a
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corresponding <replaceable><service></replaceable>_stunnel service. You
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may have to add an appropriate entry in <filename>/etc/services</filename>
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as well.</para>
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<para>For a full explanation of the commands and syntax used in the
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configuration file, run <command>man stunnel</command>.</para>
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</sect3>
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<sect3 id="stunnel-init">
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<title>Boot Script</title>
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<para>To automatically start the <command>stunnel</command> daemon
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when the system is rebooted, install the
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<filename>/etc/rc.d/init.d/stunnel</filename> bootscript from the
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<xref linkend="bootscripts"/> package.</para>
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<indexterm zone="stunnel stunnel-init">
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<primary sortas="f-stunnel">stunnel</primary>
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</indexterm>
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<screen role="root"><userinput>make install-stunnel</userinput></screen>
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</sect3>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Library</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>stunnel and stunnel3</seg>
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<seg>libstunnel.so</seg>
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<seg>/etc/stunnel,
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/usr/lib/stunnel,
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/usr/share/doc/stunnel-&stunnel-version;, and
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/var/lib/stunnel</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="stunnel-prog">
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<term><command>stunnel</command></term>
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<listitem>
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<para> is a program designed to work as an SSL
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encryption wrapper between remote clients and local
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(<command>{x}inetd</command>-startable) or remote servers.</para>
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<indexterm zone="stunnel stunnel-prog">
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<primary sortas="b-stunnel">stunnel</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="stunnel3">
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<term><command>stunnel3</command></term>
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<listitem>
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<para>is a <application>Perl</application> wrapper script to use
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<command>stunnel</command> 3.x syntax with <command>stunnel</command>
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>=4.05.</para>
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<indexterm zone="stunnel stunnel3">
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<primary sortas="b-stunnel3">stunnel3</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libstunnel">
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<term><filename class='libraryfile'>libstunnel.so</filename></term>
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<listitem>
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<para> contains the API functions required by
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<application>stunnel</application>.</para>
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<indexterm zone="stunnel libstunnel">
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<primary sortas="c-libstunnel">libstunnel.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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