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by Yuyudo_Comiketo
1285 days ago
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All ipv6 shortcomings discussion aside; What I think is the more vital problem to focus on is that the governments clearly don't want us mere mortals to expose our own servers running on our own hardware to the outside world (most often justifying that with "it's for your own security" mantra, for we're all deemed too dumb to figure that out for ourselves). ISP-imposed ipv4 double NAT (imposed on ISPs by the governments, I am pretty sure about that) reduces our devices to all but dumb receivers which are scarcely superior to TV sets. And no amount of STUNning and TURNing, or buying VPSes can realistically fix this situation, when we can't simply connect our devices directly without resorting to some service provided by some Men in the Middle. And it gets worse, 10 years ago I could buy a static public IP from my ISP for some affordable extra - all ports open unless blocked manually in my firewall - nowadays there remain no ISP around to sell those to the general public. Just no such option anymore. Too much freedom it gave, I guess. So this begs the question: can ipv6 fix that? Will ipv6 fix that? I'm afraid not. |
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Governments share some responsibility here for not mandating a move to v6, leaving everybody in "wait for other people to go first" mode, and one might ask why they've done that but the answer is mostly that governments don't usually get involved in the Internet at that level.
I've not seen an ISP do CGNAT on v6, even when they're doing CGNAT on v4. This makes sense because CGNAT is expensive and doesn't have any benefits for the ISP except for dealing with address space exhaustion. If they wanted to prevent inbound connections then all they would need to do is firewall them.