[357] update bind10-guide and auth manpage

doc/guide/bind10-guide.xml

@@ -1633,6 +1633,16 @@ can use various data source backends.
               </simpara>
             </listitem>
           </varlistentry>
+          <varlistentry>
+            <term>tcp_recv_timeout</term>
+            <listitem>
+              <simpara>
+                <varname>tcp_recv_timeout</varname> is the timeout used on
+                incoming TCP connections, in milliseconds. If the query
+                is not sent within this time, the connection is closed.
+              </simpara>
+            </listitem>
+          </varlistentry>
         </variablelist>
 
       </para>

src/bin/auth/b10-auth.xml

@@ -152,6 +152,12 @@
       The default is 60.
     </para>
 
+    <para>
+      <varname>tcp_recv_timeout</varname> is the timeout used on
+      incoming TCP connections, in milliseconds. If the query
+      is not sent within this time, the connection is closed.
+    </para>
+
 <!-- TODO: formating -->
     <para>
       The configuration commands are: