[TriLUG] Router question: What's the feature called, in which a router port-forwards LAN traffic as if it were WAN traffic

[John Franklin via TriLUG]

On Oct 13, 2018, at 12:08 PM, Michael Marley via TriLUG <trilug at trilug.org> wrote:
> 
> On 10/13/18 11:23 AM, David Burton via TriLUG wrote:
> 
>> What is that feature called, in which the router forwards LAN traffic as if
>> it were WAN traffic?
> 
> That feature is called Hairpin NAT
> (https://en.wikipedia.org/wiki/Hairpinning).  As far as which routers
> support all those features, I would highly recommend looking at OpenWRT,
> which runs on many routers (including yours, I think), is updated much
> more regularly and for much longer than most vendor firmwares, and
> supports all those features.

pfSense calls this NAT Reflection. [1]

jf
[1] https://www.netgate.com/docs/pfsense/nat/accessing-port-forwards-from-local-networks.html
--
John Franklin
franklin at elfie.org

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