Re: [PATCH 00/19] netfilter: IPv6 NAT

Patrick McHardy
2012-08-26T18:06:59Z

On Sat, 25 Aug 2012, Andre Tomt wrote:

> On 25. aug. 2012 02:58, Andre Tomt wrote:
>> On 09. aug. 2012 22:08, kaber@trash.net wrote:
>>> The following patches contain an updated version of IPv6 NAT against
>>> Linus' current tree.
>>
>> Hmmm. Looking in my crystal ball (hi #ipv6!), I predict that if this
>> lands in mainline - and thus in consumer CPE/routers eventually - many
>> ISP's will have little incentive to actually implement assigning of
>> blocks to their consumer users like they "have to" today.
>>
>> We have this wonderful chance of fixing a major problem with todays
>> internet, but now we are going down this very slippery slope.
>>
>> I do need this code for a experimental project myself, and acknowledge
>> there may be some valid use cases, but I do not like the global
>> implications one bit.
>>
>> At least some big fat warnings please?
>
> Clarification: This is about the NAT66 port-based 1:n NAT targets.

We can certainly add a warning to the Kconfig text or (better) the
iptables manpage. But only a very small percentage of people who
might end up (unknowingly) using this will ever see them.

Feel free to send a patch though.