Skip tun devices.

firewall/bin/firewall

@@ -703,6 +703,7 @@ sub findDevices
                  ( $int !~ /^dummy/ ) &&
                  ( $int !~ /^sit/ ) &&
                  ( $int !~ /^teq/ ) &&
+                 ( $int !~ /^tun/ ) &&
                  ( $int !~ /^gre/ ) &&
                  ( $int !~ /^ip6tnl/ ) )
             {

firewall/debian/changelog

+bytemark-vhost-firewall (20090901095146) stable; urgency=low
+
+  * Skip "tun" devices.
+
+ -- Steve Kemp <steve@bytemark.co.uk>  Tue, 1 Sep 2009 09:51:46 +0000
+
 bytemark-vhost-firewall (20090825102446) stable; urgency=low
 
   * Duplicate IPv4 rules onto IPv6 if such support is enabled.