</example>
</section>
+ <section id="nathelper.p.nat_addr_mode">
+ <title><varname>nat_addr_mode</varname> (int)</title>
+ <para>
+ If set to 0, only default private net addresses are checked by
+ nat_uac_test(). If set to 1, other reserved net addresses are
+ checked by nat_uac_test() as well.
+ </para>
+ <para>Default private net addresses are:</para>
+ <itemizedlist>
+ <listitem>
+ <para>10.0.0.0/8</para>
+ <listitem>
+ <listitem>
+ <para>172.16.0.0/12</para>
+ <listitem>
+ <listitem>
+ <para>192.168.0.0/16</para>
+ <listitem>
+ <listitem>
+ <para>100.64.0.0/10 - RFC6598 - Carrier Grade NAT</para>
+ <listitem>
+ <listitem>
+ <para>192.0.0.0/29 - RFC7335 - IPv4 Service Continuity Prefix</para>
+ <listitem>
+ <itemizedlist>
+ <para>Reserved net addresses are:</para>
+ <itemizedlist>
+ <listitem>
+ <para>192.0.0.0/24 - RFC7335 - IETF Protocol Assignments</para>
+ <listitem>
+ <itemizedlist>
+ <para>
+ <emphasis>
+ Default value is <quote>1</quote>.
+ </emphasis>
+ </para>
+ <example>
+ <title>Set <varname>nat_addr_mode</varname> parameter</title>
+ <programlisting format="linespecific">
+...
+modparam("nathelper", "nat_addr_mode", 0)
+...
+</programlisting>
+ </example>
+ </section>
+
</section>