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  • Committer: Teddy Hogeborn
  • Date: 2019-07-14 23:39:53 UTC
  • mto: This revision was merged to the branch mainline in revision 384.
  • Revision ID: teddy@recompile.se-20190714233953-1zmsd3o062xloazt
Server bug fix: Allow restarts when using port= option

If the Mandos server is configured to use a specific TCP port to
listen to (by using the port= option in mandos.conf or the command
line --port option), that port becomes unusable for a time when the
Mandos server is restarted, making restarts fail.  Avoid this by, if a
port number is specified, using SO_REUSEADDR when binding the
listening TCP socket to a port number.

* mandos (IPv6_TCPServer.server_bind): Set self.allow_reuse_address if
                                       a port number is specified.

Reported-by: Juan Miguel Alcarria Herrera <juanmi@arco2000.es>

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<!DOCTYPE refentry 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 COMMANDNAME "mandos">
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<!ENTITY TIMESTAMP "2022-04-24">
 
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<!ENTITY TIMESTAMP "2019-02-10">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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    <title>DESCRIPTION</title>
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    <para>
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      <command>&COMMANDNAME;</command> is a server daemon which
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      handles incoming requests for passwords for a pre-defined list
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      of client host computers. For an introduction, see
 
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      handles incoming request for passwords for a pre-defined list of
 
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      client host computers. For an introduction, see
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      <citerefentry><refentrytitle>intro</refentrytitle>
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      <manvolnum>8mandos</manvolnum></citerefentry>. The Mandos server
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      uses Zeroconf to announce itself on the local network, and uses
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      </varlistentry>
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      <varlistentry>
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        <term>
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          <ulink url="https://www.avahi.org/">Avahi</ulink>
 
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          <ulink url="http://www.avahi.org/">Avahi</ulink>
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        </term>
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      <listitem>
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        <para>
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            <listitem>
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              <para>
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                The clients use IPv6 link-local addresses, which are
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                immediately usable since a link-local address is
 
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                immediately usable since a link-local addresses is
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                automatically assigned to a network interfaces when it
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                is brought up.
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              </para>