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![](https://fry.gs/pictrs/image/c6832070-8625-4688-b9e5-5d519541e092.png)
most Linux systems don’t even use DHCP
WTF are you smoking? WTF is wrong with you that you think such a dumb claim would go unscrutinized? I would play Russian roulette on the chances of a random Linux installation on a random network talking DHCP.
Edit, in case being charitable helps: DNS and IP address allocation aren’t the only things that happen over DHCP. And even then the odds are overwhelming that those are being broadcast that way.
I can’t think of the last time anyone actually said “say that to my face” without a hint of irony.