[ENet-discuss] NAT punch through (again)

[Stefan Lundmark]

On 2012-06-07 09:47, Adrian Friedli wrote:
> Hi
>
> On Thursday 07 June 2012 01.24:50 Jay Sprenkle wrote:
>> Security experts recommend Upnp be disabled since it allows malware or
>> virii to control your router just as well as it does legitimate programs.
> NAT was never intended to be a security feature, it's just there to delay IPv4
> exhaustion.
>
> Cheers, Adi
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>
>

It doesn't matter. It is still easier for malware to damage your 
computer or network if Upnp is enabled. For that reason most have it 
disabled. Whether NAT was intended for security or not is irrelevant in 
this case, and if opening unknown ports wasn't an issue then we wouldn't 
have firewalls.

/Stefan