Quote:
Originally Posted by Kerlingen
If you have a very old ISP contract or are using a mobile modem (SIM card) to access the internet you might be running in an IPv4-only environment behind a NAT. But in pretty much every other situation you have IPv6 without NAT and all your network PCs are accessible directly from the internet.
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For many of the home users and even office PCs, NAT is switched on by default in the router through which they access the internet, so this should not be a problem.
At least, for many of the routers in the US, I see that the NAT is already enabled...