diff --git a/manpages/shorewall-init.xml b/manpages/shorewall-init.xml
index 90e173690..bc62e7005 100644
--- a/manpages/shorewall-init.xml
+++ b/manpages/shorewall-init.xml
@@ -142,6 +142,13 @@
         in the PRODUCTS setting.</para>
       </listitem>
     </itemizedlist>
+
+    <para>On a laptop with both ethernet and wireless interfaces, you will
+    want to make both interfaces optional and set the REQUIRE_INTERFACE option
+    to Yes in <ulink url="shorewall.conf.html">shorewall.conf </ulink>(5) or
+    <ulink url="../Manpages6/shorewall6.conf.html">shorewall6.conf</ulink>
+    (5). This causes the firewall to remain stopped until at least one of the
+    interfaces comes up.</para>
   </refsect1>
 
   <refsect1>
diff --git a/manpages/shorewall.conf.xml b/manpages/shorewall.conf.xml
index 720358702..729afded8 100644
--- a/manpages/shorewall.conf.xml
+++ b/manpages/shorewall.conf.xml
@@ -1370,6 +1370,18 @@ net     all  DROP   info</programlisting>then the chain name is 'net2all'
         </listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><emphasis role="bold">REQUIRE_INTERFACE=</emphasis>[<emphasis
+        role="bold">Yes</emphasis>|<emphasis role="bold">No</emphasis>]</term>
+
+        <listitem>
+          <para>Added in Shorewall 4.4.10. The default is No. If set to Yes,
+          at least one optional interface must be up in order for the firewall
+          to be in the started state. Intended to be used with the <ulink
+          url="shorewall-init.html">Shorewall Init Package</ulink>.</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><emphasis
         role="bold">RESTORE_DEFAULT_ROUTE=</emphasis>[<emphasis
diff --git a/manpages6/shorewall6.conf.xml b/manpages6/shorewall6.conf.xml
index 5152c23c0..193d9102b 100644
--- a/manpages6/shorewall6.conf.xml
+++ b/manpages6/shorewall6.conf.xml
@@ -1140,6 +1140,19 @@ net     all  DROP   info</programlisting>then the chain name is 'net2all'
         </listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><emphasis role="bold">REQUIRE_INTERFACE=</emphasis>[<emphasis
+        role="bold">Yes</emphasis>|<emphasis role="bold">No</emphasis>]</term>
+
+        <listitem>
+          <para>Added in Shorewall 4.4.10. The default is No. If set to Yes,
+          at least one optional interface must be up in order for the firewall
+          to be in the started state. Intended to be used with the <ulink
+          url="../Manpages/shorewall-init.html">Shorewall Init
+          Package</ulink>.</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><emphasis
         role="bold">RESTOREFILE=</emphasis><emphasis>filename</emphasis></term>