diff --git a/Shorewall-docs/Documentation_Index.xml b/Shorewall-docs/Documentation_Index.xml
index 58e8021fa..97ddc8257 100644
--- a/Shorewall-docs/Documentation_Index.xml
+++ b/Shorewall-docs/Documentation_Index.xml
@@ -35,6 +35,17 @@
     </legalnotice>
   </articleinfo>
 
+  <caution>
+    <para>Running Shorewall on <ulink url="http://www.mandrakesoft.tom">Mandrake
+    Linux</ulink> with a two-interface setup?</para>
+
+    <para>If so, this documentation will not apply directly to your setup. If
+    you want to use the documentation that you find here, you will want to
+    consider uninstalling what you have and installing a setup that matches
+    this documentation. See the <ulink url="two-interface.htm">Two-interface
+    QuickStart Guide</ulink> for details. </para>
+  </caution>
+
   <itemizedlist>
     <listitem>
       <para><ulink url="Introduction.html">Introduction to Shorewall</ulink></para>
diff --git a/Shorewall-docs/FAQ.xml b/Shorewall-docs/FAQ.xml
index e6e8e825a..be5962fd0 100644
--- a/Shorewall-docs/FAQ.xml
+++ b/Shorewall-docs/FAQ.xml
@@ -199,7 +199,7 @@
         work</title>
 
         <para><emphasis role="bold">Answer:</emphasis> That is usually the
-        result of one of three things:</para>
+        result of one of four things:</para>
 
         <itemizedlist>
           <listitem>
@@ -217,6 +217,17 @@
           <listitem>
             <para>Your ISP is blocking that particular port inbound.</para>
           </listitem>
+
+          <listitem>
+            <para>You are running Mandrake Linux and have configured Internet
+            Connection Sharing. In that case, the name of your local zone is
+            &#39;masq&#39; rather than &#39;loc&#39; (change all instances of
+            &#39;loc&#39; to &#39;masq&#39; in your rules). You may want to
+            consider re-installing Shorewall in a configuration which matches
+            the Shorewall documentation. See the <ulink
+            url="two-interface.htm">two-interface QuickStart Guide</ulink> for
+            details.</para>
+          </listitem>
         </itemizedlist>
       </section>