DNAT in freebsd

[Sami Halabi]

Hi Eugene,

It simply doesn't work for me, the reverse option doesn't work properly for
me.... it keeps translating the source instead of the destination...


On Sun, Jun 30, 2013 at 6:32 PM, Eugene Grosbein <eugen at grosbein.net> wrote:

> On 30.06.2013 18:48, Sami Halabi wrote:
> > Hi,
> > I don't understand how reverse mode works exactly, and didn't find a
> good example.
> >
> >
> > can you try and help on the configuration?
>
> Well, that's pretty simple. Generally, NAT translates source IP address of
> the packet
> keeping destination IP intact. You need both of source and
> destination addresses get translated. Reverse NAT translates does,
> well, reverse thing: it translates destination IP keeping source IP intact.
> So, you just need setup two ipfw nat instances, one "general" and one
> "reverse"
> and pass your packets through both instances.
>
> Eugene Grosbein
>
>
>


-- 
Sami Halabi
Information Systems Engineer
NMS Projects Expert
FreeBSD SysAdmin Expert