They need to use cookies that attach a unique identifier to each machine to enforce bans per machine. Hash the cookie so it can’t be edited. If a user clears their cookies, they need to put in a special private key to get back into their account.
Or just make users scan in ID or pay with a credit card to gain membership.
None of those ideas are perfect but they are needed for better ban enforcement overall anyway.
Just the IP bans don’t sound good. CG-NAT, VPNs, public networks, school networks, etc… makes a lot of people share the same IP.
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Then hosts need to ban VPNs.
They need to use cookies that attach a unique identifier to each machine to enforce bans per machine. Hash the cookie so it can’t be edited. If a user clears their cookies, they need to put in a special private key to get back into their account.
Or just make users scan in ID or pay with a credit card to gain membership.
None of those ideas are perfect but they are needed for better ban enforcement overall anyway.