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by thinkythought 3094 days ago
Honestly any decent public wifi setup even if it isn't going to limit client to client communication, if that's needed for some reason, should be restricting based on protocol/port/etc. It should be a whitelist, not a blacklist. There's no reason a client should be able to touch HTTP traffic towards anything but the gateway.

This is trivial to set up with for example, even a cheap sonicwall.