If you wish to verify the operation of your IPv6 firewall then try my [https://github.com/timsgit/ipscan open-source] [http://ipv6.chappell-family.com/ipv6tcptest/ IPv6 firewall checker] (IPv6 Ping response tester and TCP port scanner).
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If you wish to verify the operation of your IPv6 firewall then try my [http://ipv6.chappell-family.com/ipv6tcptest/ IPv6 firewall checker] (IPv6 Ping response tester and TCP port scanner).