Here is a list of all the different types of icmpv6.I can get ipv6 assigned prefixes which according to you icmp6 is required. There are icmp6 test sites that are not reliable then, it shows mine is not responding to icmp6 requests.
So why do sites like this even include icmp6 test if only local neighbors will see the requests?Only local neighbors of your ipv6 would be able to see the icmp6 echo request, that site is not able to achieve that since only your isp or modem can do such.
While icmp6 echo request will not work for external request of non-neighbors, it must be enabled for all neighbor request which includes connections with the modem on dhcp lease request. Please review my other post.
Because the firewall is doing what it is designed to do for securing your ipv6 connection. If this is confusing you, maybe you should turn it off per @Tech9 mentioning.
Let me rephrase my question. The site I posted do test for icmp6 request, why then would they do that if it will not work? They do not know what they're doing?
I don't want to turn it off because I want to learn ipv6. I have it turned on for a month and looks to me it's safe and little by little learning from it, there's nothing wrong with it I think.
Ironically this is an actual desired behavior that might be conducive design of the device itself. The way it was explained to me is that a device by design can request as many address rotations as it wants. The bug you refer to might be an actual interpretation issue with the router itself. Those might have been actual address rotations that are still being listed in the gui. They may be reusable by the device or the router may have a specific time frame it decides to purge the listed addresses. The developers of pihole noticed this unique behavior existed as well when trying to distinguish all stateless ipv6 addresses per client in a given network. I am not quite sure you can label this a bug versus an intentional design of a particular client.
And in most cases patch work like the ones done in the image you share may hold up for years before another issue presents itself. Here in lies the "Grey" area.
It should be safe enough for you. I would be concerned if those sites were not returning stealth for you. To me, that is one more thing you would have to worry about.I don't want to turn it off because I want to learn ipv6. I have it turned on for a month and looks to me it's safe and little by little learning from it, there's nothing wrong with it I think.
Unless you're concerned that IPv6 is probably leaking data like crazy, and you have no way of knowing or measuring exactly what the damage really is...
With that thought, the same could be said about any type of connection. The leak may be on the other side of the vpn in an disgruntle employee that aims to damage the organization they work for by exploiting your privacy and trust to the vpn provider. That doesn't stop you from using the vpn, nor does your inability to measure such possibility create enough fear to make you stop using the vpn provider.Unless you're concerned that IPv6 is probably leaking data like crazy, and you have no way of knowing or measuring exactly what the damage really is...
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