--- xen-unstable.hg/network-bridge	2008-10-08 13:50:15.000000000 -0400
+++ dynspring/network-bridge	2008-10-08 13:00:50.000000000 -0400
@@ -188,9 +179,18 @@
 antispoofing () {
     iptables -P FORWARD DROP
     iptables -F FORWARD
-    iptables -A FORWARD -m physdev --physdev-in ${pdev} -j ACCEPT
+    
+    ip6tables -P FORWARD DROP
+    ip6tables -F FORWARD
+    
+    arptables -P FORWARD DROP
+    arptables -F FORWARD    
+
+    # Below commented out by CvW on 08-24-2008 because I don't think we need it.
+    #iptables -A FORWARD -m physdev --physdev-in ${pdev} -j ACCEPT
 }
 
+
 # Usage: show_status dev bridge
 # Print ifconfig and routes.
 show_status () {