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From: Vigneswaran R <vignesh@atc.tcs.com>
To: mart.frauenlob@chello.at
Cc: Fabio Pedretti <fabio.pedretti@unibs.it>, netfilter@vger.kernel.org
Subject: Re: About using -i with MASQUERADE
Date: Fri, 29 Jan 2016 17:04:42 +0530	[thread overview]
Message-ID: <56AB4E52.4030802@atc.tcs.com> (raw)
In-Reply-To: <56AB4C4A.7020709@chello.at>

On 01/29/2016 04:56 PM, Mart Frauenlob wrote:
> On 29.01.2016 11:10, Vigneswaran R wrote:
> [...]
>>
>> In the FORWARDING chain, you can mark the packets based on incoming
>> Interface. Then use the mark to MASQUERADE the packets at the
>> POSTROUTING chain. eg.,
>>
>> -t nat -A FORWARD -i eth3 -j MARK --set-mark 0xffff
>> -t nat -A POSTROUTING -m mark --mark 0xffff  -j MASQUERADE
>>
>> (I hope this should work. However, I haven't tried this by myself.)
>>
>> Vignesh
>
>
> Hello,
>
> there is no FORWARD chain in the nat table. And marking in the nat 
> table will only mark packets of conntrack state NEW.
> Better do the marking in the mangle or filter table.

Oops, I intended filter table only. (copy paste error).

-t filter -A FORWARD -i eth3 -j MARK --set-mark 0xffff

Vignesh

>
> Best regards,
>
> Mart
>


  reply	other threads:[~2016-01-29 11:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-22 11:53 About using -i with MASQUERADE Fabio Pedretti
2016-01-22 14:07 ` Bastian Bittorf
2016-01-29 10:10 ` Vigneswaran R
2016-01-29 11:26   ` Mart Frauenlob
2016-01-29 11:34     ` Vigneswaran R [this message]
2016-01-29 21:25     ` Pascal Hambourg

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