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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Phil Sutter <phil@nwl.cc>
Cc: netfilter-devel@vger.kernel.org, Florian Westphal <fw@strlen.de>
Subject: Re: [iptables PATCH 4/7] nft: Fix match generator for '! -i +'
Date: Thu, 8 Dec 2022 13:23:56 +0100	[thread overview]
Message-ID: <Y5HXXN4c4NpRDI4+@salvia> (raw)
In-Reply-To: <20221201163916.30808-5-phil@nwl.cc>

On Thu, Dec 01, 2022 at 05:39:13PM +0100, Phil Sutter wrote:
> It's actually nonsense since it will never match, but iptables accepts
> it and the resulting nftables rule must behave identically. Reuse the
> solution implemented into xtables-translate (by commit e179e87a1179e)
> and turn the above match into 'iifname INVAL/D'.

Maybe starting bailing out in iptables-nft when ! -i + is used at
ruleset load time?

As you mentioned, this rule is really useless / never matching.

  reply	other threads:[~2022-12-08 12:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-01 16:39 [iptables PATCH 0/7] tests: xlate: generic.txlate to pass replay test Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 1/7] ebtables: Implement --check command Phil Sutter
2022-12-08 21:40   ` Pablo Neira Ayuso
2022-12-09  0:41     ` Phil Sutter
2022-12-09 15:23       ` Pablo Neira Ayuso
2022-12-09 16:51         ` Phil Sutter
2022-12-09 20:09           ` Pablo Neira Ayuso
2022-12-01 16:39 ` [iptables PATCH 2/7] tests: xlate: Use --check to verify replay Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 3/7] nft: Fix for comparing ifname matches against nft-generated ones Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 4/7] nft: Fix match generator for '! -i +' Phil Sutter
2022-12-08 12:23   ` Pablo Neira Ayuso [this message]
2022-12-08 13:19     ` Phil Sutter
2022-12-08 20:31       ` Pablo Neira Ayuso
2022-12-09  0:25         ` Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 5/7] nft: Recognize INVAL/D interface name Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 6/7] xtables-translate: Fix for interfaces with asterisk mid-string Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 7/7] ebtables: Fix MAC address match translation Phil Sutter
2022-12-02  0:46 ` [iptables PATCH 0/7] tests: xlate: generic.txlate to pass replay test Phil Sutter

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