what actually is the ipv6 privacy issue using vpn in router mode?
Hi,
Unable to find what the actual issue with ipv6 while router mode is on. When you turn the vpn client (using wireguard) on for a particular device, you get the warning about "ipv6 cant be routed via VPN. ipv6 address detected. To protect your privacy, please turn off ivp6 on your local networks/devices before continuing".
A few questions i'm keen to know that i cant find on the Firewalla website or the forums here.
First, what the actual privacy issue is - is it just location and ISP detail sharing?
Second, the VPN client page says that ipv6 is blocked in router mode, so why does the pop up show when i turn the client onto a particular device. I've confirmed its blocked ipv6 traffic as showmyip says ipv6 is not detected after turning the client on. Is it just that the message doesnt know that i'm in router mode (so its covering simple and dhcp modes in case they are being used)?
thanks in advance.
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Hi
Ok, thanks I think I get your meaning there. Appreciate quick reply.
Let’s keep with v6.naughty.site, so if the Firewalla is in router mode, and the vpn client is off the isp will see where I’m connecting anyway. But if the vpn is on, they still see it as my vpn provider blocks v6 so that’s still getting routed as if the vpn was off?
Other than the isp seeing where I visit, the FW is still filtering all the ipv6 traffic though right?
Thanks
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1. If you assigned a device to use the VPN service you configured, then ipv6 will be blocked. You don't have a issue. This message is just a warning.
2. If you use Firewalla Policy Based Routing, it will not be able to route ipv6 site (if it is part of the service) that ipv6 service will go out from your ISP
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