diff --git a/manpages/shorewall-interfaces.xml b/manpages/shorewall-interfaces.xml
index e61cc26f4..9efaafc3b 100644
--- a/manpages/shorewall-interfaces.xml
+++ b/manpages/shorewall-interfaces.xml
@@ -55,7 +55,9 @@ loc     eth2            -</programlisting>
 
       <varlistentry>
         <term><emphasis role="bold">INTERFACE</emphasis> —
-        <emphasis>interface</emphasis></term>
+        <emphasis>interface</emphasis><emphasis
+        role="bold">[:</emphasis><emphasis>port</emphasis><emphasis
+        role="bold">]</emphasis></term>
 
         <listitem>
           <para>Name of interface. Each interface may be listed only once in
@@ -70,6 +72,12 @@ loc     eth2            -</programlisting>
 
           <para>There is no need to define the loopback interface (lo) in this
           file.</para>
+
+          <para>(Shorewall-perl only) If a <replaceable>port</replaceable> is
+          given, then the <replaceable>interface</replaceable> must have been
+          defined previously with the <option>bridge</option> option. The
+          OPTIONS column must be empty when a <replaceable>port</replaceable>
+          is given.</para>
         </listitem>
       </varlistentry>
 
@@ -185,6 +193,15 @@ loc     eth2            -</programlisting>
               </listitem>
             </varlistentry>
 
+            <varlistentry>
+              <term><emphasis role="bold">bridge</emphasis></term>
+
+              <listitem>
+                <para>(Shorewall-perl only) Designates the interface as a
+                bridge.</para>
+              </listitem>
+            </varlistentry>
+
             <varlistentry>
               <term><emphasis role="bold">detectnets</emphasis></term>
 
diff --git a/manpages/shorewall-policy.xml b/manpages/shorewall-policy.xml
index 9f5bd943c..4438a164e 100644
--- a/manpages/shorewall-policy.xml
+++ b/manpages/shorewall-policy.xml
@@ -71,8 +71,10 @@
 
         <listitem>
           <para>Destination zone. Must be the name of a zone defined in <ulink
-          url="shorewall-zones.html">shorewall-zones</ulink>(5), $FW or
-          "all"</para>
+          url="shorewall-zones.html">shorewall-zones</ulink>(5), $FW or "all".
+          If the DEST is a bport zone, then the SOURCE must be "all", another
+          bport zone associated with the same bridge, or it must be an ipv4
+          zone that is associated with only the same bridge.</para>
         </listitem>
       </varlistentry>
 
diff --git a/manpages/shorewall-rules.xml b/manpages/shorewall-rules.xml
index 859f347b9..54f04515e 100644
--- a/manpages/shorewall-rules.xml
+++ b/manpages/shorewall-rules.xml
@@ -590,6 +590,12 @@
           affected. When <emphasis role="bold">all+</emphasis> is used,
           intra-zone traffic is affected.</para>
 
+          <para>If the DEST <replaceable>zone</replaceable> is a bport zone,
+          then the SOURCE <replaceable>zone</replaceable> must be
+          <option>all</option>, another bport zone associated with the same
+          bridge, or it must be an ipv4 zone that is associated with only the
+          same bridge.</para>
+
           <para>Except when <emphasis role="bold">all</emphasis>[<emphasis
           role="bold">+</emphasis>] is specified, the server may be further
           restricted to a particular network, host or interface by appending
diff --git a/manpages/shorewall-zones.xml b/manpages/shorewall-zones.xml
index ef36184e9..1f3370c2d 100644
--- a/manpages/shorewall-zones.xml
+++ b/manpages/shorewall-zones.xml
@@ -107,6 +107,15 @@ c:a,b     ipv4</programlisting>
                 zone.</para>
               </listitem>
             </varlistentry>
+
+            <varlistentry>
+              <term>bport (or bport4)</term>
+
+              <listitem>
+                <para>(Shorewall-perl only) The zone is associated with one or
+                more ports on a single bridge.</para>
+              </listitem>
+            </varlistentry>
           </variablelist>
         </listitem>
       </varlistentry>