<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<section xml:id="imap.configuration" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 &reftitle.runtime;
 &extension.runtime;

 <para>
  <table>
   <title>IMAP &ConfigureOptions;</title>
   <tgroup cols="4">
    <thead>
     <row>
      <entry>&Name;</entry>
      <entry>&Default;</entry>
      <entry>&Changeable;</entry>
      <entry>&Changelog;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry><link linkend="ini.imap.enable-insecure-rsh">imap.enable_insecure_rsh</link></entry>
      <entry>"0"</entry>
      <entry>PHP_INI_SYSTEM</entry>
      <entry>Available as of PHP 7.1.25, 7.2.13 and 7.3.0. Formerly, it was implicitly enabled.</entry>
     </row>
    </tbody>
   </tgroup>
  </table>

  &ini.php.constants;

 </para>
 
 &ini.descriptions.title;
 
 <para>
  <variablelist>

   <varlistentry xml:id="ini.imap.enable-insecure-rsh">
    <term>
     <parameter>imap.enable_insecure_rsh</parameter>
     <type>bool</type>
    </term>
    <listitem>
     <para>
      Establishing a connection to a server may invoke <command>rsh</command> or
      <command>ssh</command> commands, unless this &php.ini; option is disabled.
     </para>
     <warning>
      <simpara>
       Neither <acronym>PHP</acronym> nor the <acronym>IMAP</acronym> library filter
       mailbox names before passing them to <command>rsh</command> or <command>ssh</command>
       commands, thus passing untrusted data to this function without disabling this
       &php.ini; option is <emphasis>insecure</emphasis>.
      </simpara>
     </warning>
    </listitem>
   </varlistentry>

  </variablelist>
 </para>
</section>

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