Re: Disabling ipv6

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Once upon a time, Joe Zeff <joe@xxxxxxx> said:
> On 07/11/2013 11:12 AM, Chris Adams wrote:
> >Use the firewall, ditch the NAT.  NAT does not increase security over a
> >firewall.  In some cases, NAT prevents a user from accessing the
> >Internet, rather than the other way around.
> 
> Can you give a practical example, please.  I've no reason to
> disbelieve you, but I've also never run across such a case and would
> like to see one.

I've seen people with double-NAT issues before, where "special"
protocols like FTP or game console can't traverse the double-NAT.  Any
newer attempted peer-to-peer protocol through an older NAT
implementation that doesn't have ALGs for the protocol tends to fail
(often in mysterious ways).  IPsec through a NAT setup that doesn't have
IPsec pass-through specifically enabled usually fails.

I can't give you personal examples because I don't use NAT for my stuff.
-- 
Chris Adams <linux@xxxxxxxxxxx>
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