Steven Barth d534883a52 firewall: Allow IGMP and MLD input on WAN
The WAN port should at least respond to IGMP and MLD queries as
otherwise a snooping bridge/switch might drop traffic.

RFC4890 recommends to leave IGMP and MLD unfiltered as they are always
link-scoped anyways.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>

SVN-Revision: 45613
2015-05-05 13:22:41 +00:00
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