# Note: we use dport to store --icmpv6-type
die "unknown icmpv6-type '$rule->{dport}'\n"
if $rule->{dport} !~ /^\d+$/ && !defined($icmpv6_type_names->{$rule->{dport}});
push @cmd, "-m icmpv6 --icmpv6-type $rule->{dport}";
# Note: we use dport to store --icmpv6-type
die "unknown icmpv6-type '$rule->{dport}'\n"
if $rule->{dport} !~ /^\d+$/ && !defined($icmpv6_type_names->{$rule->{dport}});
push @cmd, "-m icmpv6 --icmpv6-type $rule->{dport}";