From: Pascal Hambourg <pascal@plouf.fr.eu.org>
To: Scott Bronson <bronson@rinspin.com>
Cc: netfilter <netfilter@vger.kernel.org>
Subject: Re: Packet disappears after DNAT?
Date: Sat, 19 Dec 2015 17:38:31 +0100 [thread overview]
Message-ID: <56758807.90402@plouf.fr.eu.org> (raw)
In-Reply-To: <CAKmUPx7ST01XPj+cXSWhyksFJw77xeXf-WouaQkCxZ0QG1_aWQ@mail.gmail.com>
Scott Bronson a écrit :
>
> Good question. Editing mistake. I'm actually forwarding different
> ports to different guests depending on port number:
>
> iptables -t nat -A POSTROUTING -s 192.168.122.10/32 -d
> 192.168.122.10/32 -p udp --dport 53 -j MASQUERADE
> iptables -t nat -A POSTROUTING -s 192.168.122.10/32 -d
> 192.168.122.10/32 -p tcp --dport 53 -j MASQUERADE
> iptables -t nat -A POSTROUTING -s 192.168.122.12/32 -d
> 192.168.122.12/32 -p tcp --dport 25 -j MASQUERADE
I don't think you need a separate rule for each forwarded port. One
global rule would do the job, as only forwarded packets would match the
source/destination address.
iptables -t nat -A POSTROUTING -s 192.168.122.10/32 -d 192.168.122.10/32
-j MASQUERADE
prev parent reply other threads:[~2015-12-19 16:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 9:43 Packet disappears after DNAT? Scott Bronson
2015-12-04 11:55 ` Anton Danilov
2015-12-04 16:18 ` Scott Bronson
2015-12-06 8:49 ` Anton Danilov
2015-12-07 6:57 ` Scott Bronson
2015-12-05 10:31 ` Pascal Hambourg
2015-12-07 7:07 ` Scott Bronson
2015-12-07 8:01 ` Pascal Hambourg
2015-12-07 8:06 ` Pascal Hambourg
2015-12-15 12:21 ` Scott Bronson
2015-12-15 13:06 ` Pablo Neira Ayuso
2015-12-15 19:49 ` Pascal Hambourg
2015-12-18 0:41 ` Scott Bronson
2015-12-19 16:34 ` Pascal Hambourg
2015-12-15 19:45 ` Pascal Hambourg
2015-12-18 0:51 ` Scott Bronson
2015-12-19 16:38 ` Pascal Hambourg [this message]
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