For IP-in-IP tunneling (4-in-4, 6-in-6, 4-in-6 and 6-in-4) traffic, is there way to conduct packet filtering on the inner IP packet when the traffic is being forwarded? _________________________________________________________________ Hotmail: Free, trusted and rich email service. http://clk.atdmt.com/GBL/go/201469228/direct/01/-- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html