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norrland / icmpv6-firewall.md
Created July 15, 2021 10:20 — forked from rohan-molloy/icmpv6-firewall.md

ICMPv6 Firewall Rules

Allow in ICMP messages (highly recommended)

ip6tables -A INPUT   -p ipv6-icmp -m icmp6 --icmpv6-type 128 \
-m --comment Permit-EchoRequest   -j ACCEPT

ip6tables -A INPUT   -p ipv6-icmp -m icmp6 --icmpv6-type 129 \
-m --comment Permit-EchoReply     -j ACCEPT