Re: Can't add ff::/8 to ip6tables.

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On Friday 2012-11-16 11:38, Steve (Telsat Broadband) wrote:

>Hi All,
>
>For one of my filtering rules, I'm trying to add the following rules:
>
>ip6tables -t mangle -I AuthCheck 1 -d ff::/8 -j RETURN ip6tables -t mangle
>-I AuthCheck 1 -d fc::/7 -j RETURN
>
>However, when I check the rule entries they show up as ::/7, ::/8 [...]
>Which obviously doesn't catch the packets as ::/7 or ::/8 is not fc::/7 or
>ff::/8

ip6tables is absolutely correct.

  00ff:0000:0000:0000 :0000:0000:0000:0000   (ff::)
& ff00:0000:0000:0000 :0000:0000:0000:0000   (/8)
= 0000:0000:0000:0000 :0000:0000:0000:0000   (::(/8))

  00fc:0000:0000:0000 :0000:0000:0000:0000   (fc::)
& fe00:0000:0000:0000 :0000:0000:0000:0000   (/7)
= 0000:0000:0000:0000 :0000:0000:0000:0000   (::(/7))
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