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How to use Netfilter properly with IPv6?


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Old Unix and Linux 11-22-2016
SInt SInt is offline
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How to use Netfilter properly with IPv6?


on a PC with Debian 8 I try to use a Bash script with Netfilter rules so that only traffic goes in and out that is wanted. For that I set all 3 default policies to "drop". The machine uses DHCP to get its IP, gateway and DNS. And I never checked so I was quite surprised that my router/modem assings an IPv6 and not only an IPv4. I wonder if I need additional rules for IPv6. Could somebody explain that problem to me?

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