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Topic: How can i be browsing over IPv6 when i don't allow IPv6 traffic in?  (Read 1781 times)
« on: August 11, 2011, 01:17:21 »
JackTripper *
Posts: 16

How can i be receiving HTTP inbound packets from a web-server when i don't allow any IPv6 traffic in?

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Especially since there is no NAT for IPv6. From the m0n0wall handbook:

there's no NAT for IPv6 in m0n0wall

« Reply #1 on: August 11, 2011, 08:54:18 »
Manuel Kasper
Posts: 364

m0n0wall uses stateful packet filtering; the firewall rules only apply to packets in the inbound direction (as seen from the firewall). Therefore, if your LAN rules allow connections from LAN hosts to web servers on the Internet, then the replies to those connections will also make it back, no matter what your WAN firewall rules are.
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