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by Arnt
4215 days ago
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No, you don't get a permanent static IP address. That depends on the ISP. And even if your ISP hands out permanent addresses, your devices can change addresses often. Most of my devices do change addresses, and I didn't have to turn it on. Both v6 and the linux stack are privacy-friendly. |
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Yes and no.
The privacy extensions will create new addresses, but they will always belong to the same /64. To my knowledge, TWC will allocate a /64, but there's no guarantee that power cycling your modem will generate a new /64[0]. I believe other ISPs work the same way - they may give you a new /64, but they're not required to and don't guarantee it in the SLA. And most people won't power cycle their modems often anyway, which means they could have the same /64 for months on end.
If we're talking about online tracking, it's very easy for trackers to just throw their hands up and treat all addresses within a /64 as if they represent a single user + device. This isn't completely accurate, but it's no less accurate than IP address tracking with IPv4.
Furthermore, I am unaware of any reliable commercial VPN providers that currently provide IPv6 connections (at least over OpenVPN[1]), so if you have dual-stack connectivity, your IPv6 connection can compromise your privacy even for your IPv4 connection[2].
[0] Technically this is true for ipv4 as well, but due to the relative scarcity of addresses you're less likely to get a pseudo-static ipv4 address.
[1] OpenVPN now supports IPv6 clients, though I don't know of any actual deployments of this. PPTP is IPv4-only.
[2] I think this blog post is sadly still accurate: https://blog.dave.io/2011/06/vpn-ipv6-privacy/