You should have ip6tables, ip6tables-restore, ip6tables-save, ip6tables-apply, and their corresponding man pages. Iptables should be the same on all Linuxes, as it is part of the kernel, but if your chosen Linux distribution does something weird, it’s not my fault. Today our scintillating topic is iptables rules for IPv6, because, I am sad to report, our faithful IPv4 iptables rules do not magically work on IPv6 packets, and we must write new rules.īefore we dive in, you might want to review these previous articles for basic iptables concepts and scripts:īuilding Linux Firewalls With Good Old Iptables: Part 1,īuilding Linux Firewalls With Good Old Iptables: Part 2īuilding IPv6 Firewalls: IPv6 Security Myths IPv6 networks are up and running, so we have no excuses for not being IPv6 literate. We US-ians have been sheltered from the exhaustion of IPv4 addresses, but they have run out.
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