From: Ian Pilcher <arequipeno@gmail.com>
To: netfilter@vger.kernel.org
Subject: Re: nftables and IPv6 prefix delegation (regression vs ip6tables)
Date: Mon, 7 Nov 2022 15:54:37 -0600 [thread overview]
Message-ID: <tkbuqu$1187$1@ciao.gmane.io> (raw)
In-Reply-To: <20221103231245.GD29268@breakpoint.cc>
On 11/3/22 18:12, Florian Westphal wrote:
> Ian Pilcher <arequipeno@gmail.com> wrote:
>> Assume that I want to match a particular host (pppp:pppp:pppp:ppc8::1)
>> in a rule. With ip6tables, I can match this address with this
>> expression:
>>
>> 0:0:0:c8::1/::ff:ffff:ffff:ffff:ffff
>
> ip6tables-translate suggests:
>
> nft add rule ip6 filter INPUT 'ip6 saddr & ::ff:ffff:ffff:ffff:ffff == ::c8:0:0:0:1'
>
Interesting. I see that too.
I missed it, because ip6tables-translate-restore suggests:
nft add rule ip6 filter INPUT ip6 saddr
::c8:0:0:0:1/::ff:ffff:ffff:ffff:ffff counter accept
Which gives a syntax error.
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next prev parent reply other threads:[~2022-11-07 21:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-03 19:57 nftables and IPv6 prefix delegation (regression vs ip6tables) Ian Pilcher
2022-11-03 23:12 ` Florian Westphal
2022-11-07 21:54 ` Ian Pilcher [this message]
2022-11-08 9:13 ` Pablo Neira Ayuso
2022-11-08 14:12 ` Ian Pilcher
2022-11-08 19:03 ` Gordon Fisher
2022-11-09 14:19 ` Ian Pilcher
2022-11-09 14:33 ` Jeremy Sowden
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