pass in inet proto icmp all icmp-type echorep pass in inet proto icmp all icmp-type echorep code 0 pass in inet proto icmp all icmp-type 1 pass in inet proto icmp all icmp-type 1 code 1 pass in inet6 proto ipv6-icmp all icmp6-type 0 pass in inet6 proto ipv6-icmp all icmp6-type 0 code 0 pass in inet6 proto ipv6-icmp all icmp6-type unreach pass in inet6 proto ipv6-icmp all icmp6-type unreach code admin-unr block drop in inet proto icmp all icmp-type echorep block drop in inet proto icmp all icmp-type echorep code 0 block drop in inet proto icmp all icmp-type 1 block drop in inet proto icmp all icmp-type 1 code 1 block drop in inet6 proto ipv6-icmp all icmp6-type 0 block drop in inet6 proto ipv6-icmp all icmp6-type 0 code 0 block drop in inet6 proto ipv6-icmp all icmp6-type unreach block drop in inet6 proto ipv6-icmp all icmp6-type unreach code admin-unr pass in inet proto icmp all icmp-type unreach code needfrag pass in inet6 proto ipv6-icmp all icmp6-type timex code reassemb