| Building the Network You Need with OpenBSD's PF: EuroBSDCon, St. Julian's, September 26th 2013 | ||
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At various points in your network, you may need selections of these:
## allow icmp6 for getting address using IPv6 autoconfiguration from router
pass inet6 proto ipv6-icmp all icmp6-type routeradv
pass inet6 proto ipv6-icmp all icmp6-type routersol
## allow icmp6 for getting neighbor addresses
pass inet6 proto ipv6-icmp all icmp6-type neighbradv
pass inet6 proto ipv6-icmp all icmp6-type neighbrsol
## allow icmp6 echo, not required, but sometimes nice
pass in inet6 proto ipv6-icmp all icmp6-type echoreq
## pass icmp-types: unreachable, time exceeded, parameter problem
pass in inet6 proto ipv6-icmp all icmp6-type {1 3 4}Thanks to Henrik Kramshøj for input