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From: Grant Taylor <gtaylor@riverviewtech.net>
To: Mail List - Netfilter <netfilter@vger.kernel.org>
Subject: Re: why can't I DNAT SIP?
Date: Thu, 08 May 2008 14:31:13 -0500	[thread overview]
Message-ID: <48235501.4030608@riverviewtech.net> (raw)
In-Reply-To: <fvtjuu$7i1$1@ger.gmane.org>

On 05/07/08 20:10, sean darcy wrote:
> On my outside box I trying to route sip ( port 5060 ) and iax ( 4659 ) 
> packets to an internal asterisk server. I use DNAT, which works fine for 
> iax, but doesn't for SIP. I'm using identical DNAT statments.

No you are not.

> $IPT -t nat -A PREROUTING -i external -p udp --dport 4569 -j DNAT --to 
> 10.10.10.180:4569

(verses)

> $IPT -t nat -A PREROUTING -s ext-box  -p udp --dport 5060 -j DNAT --to 
> 10.10.10.180:5060

Note that you have "-i external" on the first (IAX) rule and "-s 
ext-box" on the second (SIP) rule.

I don't know if you have taken this in to account or not, but remember 
that SIP is not really NAT friendly.



Grant. . . .

  reply	other threads:[~2008-05-08 19:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-08  1:10 why can't I DNAT SIP? sean darcy
2008-05-08 19:31 ` Grant Taylor [this message]
2008-05-08 22:24   ` sean darcy
2008-05-09  1:18     ` sean darcy
2008-05-09 14:15     ` Grant Taylor
2008-05-09 14:23       ` Patrick McHardy
2008-05-10  2:04         ` sean darcy
2008-05-10  8:43           ` Jan Engelhardt
2008-05-11 14:53             ` sean darcy
2008-05-11 14:58               ` Jan Engelhardt
2008-05-11 18:02                 ` sean darcy
2008-05-11 18:12                   ` Jan Engelhardt
2008-05-12 16:01           ` Patrick McHardy
2008-05-09  0:31 ` Mike Wright

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