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From: Eliezer Croitoru <eliezer@ngtech.co.il>
To: Jan Engelhardt <jengelh@inai.de>
Cc: "Jörn Krebs" <jk@smartbyte.de>, netfilter <netfilter@vger.kernel.org>
Subject: Re: VoIP conntrack issue
Date: Wed, 14 Nov 2012 18:01:47 +0200	[thread overview]
Message-ID: <50A3C06B.2050301@ngtech.co.il> (raw)
In-Reply-To: <alpine.LNX.2.01.1211141648280.17446@nerf07.vanv.qr>

On 11/14/2012 5:54 PM, Jan Engelhardt wrote:
> On Wednesday 2012-11-14 16:38, Eliezer Croitoru wrote:
>
>> >Or instead just use DNAT with specific ports that will allow any other
>> >traffic from this host to others based on basic NAT what called
>> >"port-forwarding"
> Port forwarding is a terrible misnomer, because the port itself is an
> entity belonging to the host, and as such static. NA(P)T, or "port
> mapping" if you have to, is just fine and catches the spirit properly.
> If you need a car analogy, you can't move the piers/ports either, only
> the ships.
>
> That said, DNAT is exactly what I gave as one way of resolution. From
> there, one can use --dport(s) as needed, but then that's not a full 1:1
> NAT anymore.
> (I get the feeling my mail was ignored, perhaps you should go through
> the text and bottom post like everybody else.)
>
>>> >>  iptables -t nat -A PREROUTING -i internet [-d 114.XX.234.123] \
>>> >>           -j DNAT --to 192.168.1.38

Since he has very specific problem I suggested to do that which extends 
your saying.
By the way you spelled it better then me..

Regards,
Eliezer
-- 
Eliezer Croitoru
https://www1.ngtech.co.il
IT consulting for Nonprofit organizations
eliezer <at> ngtech.co.il

  reply	other threads:[~2012-11-14 16:01 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-13  2:49 VoIP conntrack issue Jörn Krebs
2012-11-13  3:02 ` Neal Murphy
2012-11-13  3:20   ` Jörn Krebs
2012-11-13  9:32     ` Eliezer Croitoru
2012-11-13 11:42       ` Jörn Krebs
2012-11-13 15:13         ` /dev/rob0
2012-11-13 20:09         ` Eliezer Croitoru
     [not found]           ` <CABY2qi8w6eDME-OUYM_5Y8Pk63TxBudoHkC54EdzHtuEwQGjZQ@mail.gmail.com>
2012-11-13 22:51             ` Fwd: " Jörn Krebs
2012-11-14  1:09               ` Eliezer Croitoru
     [not found]             ` <CABY2qi_SsfZWzD5=ycNoSVGCCP5YqWro23rJe9THTrLpeEXmww@mail.gmail.com>
     [not found]               ` <50A2EF09.5030002@ngtech.co.il>
2012-11-14  1:31                 ` Jörn Krebs
2012-11-14  1:43                   ` Eliezer Croitoru
2012-11-14  1:47     ` Jan Engelhardt
2012-11-14  2:35       ` Jörn Krebs
2012-11-14 11:23         ` Jan Engelhardt
2012-11-14 15:38           ` Eliezer Croitoru
2012-11-14 15:54             ` Jan Engelhardt
2012-11-14 16:01               ` Eliezer Croitoru [this message]
2012-11-14 21:33                 ` Jörn Krebs
     [not found] <CABY2qi8n0ttC99_UktcT+Jwnd9WCCsvk5+ug1GXrrYbd9ixxWw@mail.gmail.com>
     [not found] ` <alpine.LNX.2.01.1211150035180.32273@nerf07.vanv.qr>
2012-11-15  0:15   ` Jörn Krebs
2012-11-15  0:40     ` Payam Chychi
2012-11-15  5:04     ` Jan Engelhardt
2012-11-15  5:28       ` Eliezer Croitoru
2012-11-15  7:43       ` Jörn Krebs

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