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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Shivani Bhardwaj <shivanib134@gmail.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH] src: netlink_linearize: Fix bug for redirect target
Date: Mon, 1 Feb 2016 15:09:45 +0100	[thread overview]
Message-ID: <20160201140945.GA4809@salvia> (raw)
In-Reply-To: <20160128193537.GA23701@gmail.com>

On Fri, Jan 29, 2016 at 01:05:37AM +0530, Shivani Bhardwaj wrote:
> Before this patch,
> $ sudo nft --debug=netlink add rule ip nat post ip protocol tcp redirect to 100-200
> ip nat post
>   [ payload load 1b @ network header + 9 => reg 1 ]
>   [ cmp eq reg 1 0x00000006 ]
>   [ immediate reg 1 0x00006400 ]
>   [ immediate reg 2 0x0000c800 ]
>   [ redir proto_min reg 1 proto_max reg 5 ]
> 
> <cmdline>:1:1-56: Error: Could not process rule: Invalid argument
> add rule ip nat post ip protocol tcp redirect to 100-200
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> After this patch,
> $ sudo nft --debug=netlink add rule ip nat post ip protocol tcp redirect to 100-200
> ip nat post
>   [ payload load 1b @ network header + 9 => reg 1 ]
>   [ cmp eq reg 1 0x00000006 ]
>   [ immediate reg 1 0x00006400 ]
>   [ immediate reg 2 0x0000c800 ]
>   [ redir proto_min reg 1 proto_max reg 2 ]

Shivani, this is a very good catch. Applied, thanks!


      reply	other threads:[~2016-02-01 14:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-28 19:35 [PATCH] src: netlink_linearize: Fix bug for redirect target Shivani Bhardwaj
2016-02-01 14:09 ` Pablo Neira Ayuso [this message]

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