this post was submitted on 04 Jul 2024
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Privacy
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Your router always knows your Mac address, no matter how you got your ip assigned. And yes, you can use it to identify the client - that is why it is there. This whole post is nonsense written by someone who doesn't really understand what dhcp is or how it works. Long story short, don't look for privacy on local Ethernet segment :D
Most modern operating systems randomize the MAC. DHCP does have extra fields such as the device's hostname that can be used to counter that.
But as I said, that's unlikely to be the weakest link. If you don't trust the network you're also likely in a public environment where people can just see you anyway.
that doesn't seem to be uniform behaviour. but i think we agree on the merit. if you are this paranoid, you just don't use networks where you don't have control over the local segment.