From: Patrick McHardy <kaber@trash.net>
To: Gao feng <gaofeng@cn.fujitsu.com>
Cc: netfilter-devel@vger.kernel.org, pablo@netfilter.org
Subject: Re: nat drop the icmp redirect packet
Date: Fri, 02 Dec 2011 13:58:42 +0100 [thread overview]
Message-ID: <4ED8CB82.40603@trash.net> (raw)
In-Reply-To: <4ED862E6.6090104@cn.fujitsu.com>
On 02.12.2011 06:32, Gao feng wrote:
> 于 2011年12月01日 18:20, Patrick McHardy 写道:
>> Yes, as I said, we could set up a NULL source mapping on the
>> conntrack of the original packet and let the REDIRECT through.
>> The user might have configured a source NAT rule though which
>> would become ineffective by this.
>>
>
> Hi Patrick:
>
> Yes,you are right.
>
> You mean we have no idea of the ICMP REDIRECT packet being droppen
> when nat is not finished?
We can't determine whether we could let it through at that point.
The safe choice is to drop it.
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next prev parent reply other threads:[~2011-12-02 12:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-28 1:12 nat drop the icmp redirect packet Gao feng
2011-11-28 1:23 ` Gao feng
2011-11-30 4:00 ` Gao feng
2011-11-30 18:53 ` Patrick McHardy
2011-12-01 0:59 ` Gao feng
2011-12-01 10:20 ` Patrick McHardy
2011-12-02 5:32 ` Gao feng
2011-12-02 12:58 ` Patrick McHardy [this message]
2011-12-05 1:18 ` Gao feng
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