From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: Jeremy Sowden <jeremy@azazel.net>,
Netfilter Devel <netfilter-devel@vger.kernel.org>
Subject: Re: [PATCH nftables 8/8] test: py: add tests for shifted nat port-ranges
Date: Wed, 12 Apr 2023 14:54:15 +0200 [thread overview]
Message-ID: <ZDap93NxS3SQIu9E@calendula> (raw)
In-Reply-To: <20230412114351.GA2135@breakpoint.cc>
On Wed, Apr 12, 2023 at 01:43:51PM +0200, Florian Westphal wrote:
> Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> > I think my proposal provides a simple way to support this, it just a
> > new flag in the NAT engine, few lines to handle it and new userspace
> > code to handle -/+offset in a map.
>
> Yes, thanks for clarifying this. I'm fine with your proposal.
>
> I think it might even be possible to rework the iptables target
> (the only user of the current shift/offset infra) to work with
> the 'new' delta approach, to avoid cluttering the NAT engine with
> both appraoaches.
Agreed.
> > Your idea of doing it via payload + math is also good, but it would
> > just require more work to support this NAT port-shift feature in
> > userspace.
>
> Indeed, its a lot more work.
>
> > Does this help clarify? I am talking about a completely different
> > design for this feature, not so iptablish.
>
> Yes, it does. Agree its better solution compared to the existing
> one.
OK, let's move on then :)
next prev parent reply other threads:[~2023-04-12 13:01 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-05 10:14 [PATCH nftables 0/8] Support for shifted port-ranges in NAT Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 1/8] nat: add support for shifted port-ranges Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 2/8] masq: " Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 3/8] redir: " Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 4/8] json: formatting fixes Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 5/8] json: add support for shifted nat port-ranges Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 6/8] doc: correct NAT statement description Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 7/8] doc: add shifted port-ranges to nat statements Jeremy Sowden
2023-03-05 10:14 ` [PATCH nftables 8/8] test: py: add tests for shifted nat port-ranges Jeremy Sowden
2023-03-24 22:59 ` Florian Westphal
2023-03-25 10:35 ` Phil Sutter
2023-03-25 11:10 ` Jeremy Sowden
2023-03-26 20:41 ` Pablo Neira Ayuso
2023-03-26 20:39 ` Pablo Neira Ayuso
2023-03-27 11:08 ` Jeremy Sowden
2023-04-11 12:21 ` Jeremy Sowden
2023-04-12 11:06 ` Pablo Neira Ayuso
2023-04-25 19:51 ` Jeremy Sowden
2023-05-03 20:54 ` Pablo Neira Ayuso
2023-05-08 17:58 ` Jeremy Sowden
2023-05-08 19:47 ` Pablo Neira Ayuso
2023-04-11 8:28 ` Pablo Neira Ayuso
2023-04-11 10:25 ` Florian Westphal
2023-04-11 10:53 ` Pablo Neira Ayuso
2023-04-11 11:20 ` Florian Westphal
2023-04-11 11:43 ` Pablo Neira Ayuso
2023-04-11 12:28 ` Florian Westphal
2023-04-11 12:36 ` Florian Westphal
2023-04-12 11:22 ` Pablo Neira Ayuso
2023-04-12 11:43 ` Florian Westphal
2023-04-12 12:54 ` Pablo Neira Ayuso [this message]
2023-03-24 14:18 ` [PATCH nftables 0/8] Support for shifted port-ranges in NAT Florian Westphal
2023-03-24 16:07 ` Jeremy Sowden
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