Index: head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
@@ -4642,12 +4642,6 @@
 	</listitem>
 
 	<listitem>
-	  <para><link xlink:href="http://www.sixxs.net">SixXS</link>
-	    offers tunnels with end-points all around the
-	    globe.</para>
-	</listitem>
-
-	<listitem>
 	  <para><link
 	      xlink:href="http://www.tunnelbroker.net">Hurricane
 	      Electric</link> offers tunnels with end-points all