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Generally, CUPS on a Mac is bound to localhost. It is highly atypical for a Mac to make it so any computer on the internet or even local network can make reques
by cowsandmilk 2y ago
Generally, CUPS on a Mac is bound to localhost. It is highly atypical for a Mac to make it so any computer on the internet or even local network can make requests to its cups server.
- deleted 2y ago[deleted]
- tsimionescu 2y agoThe problem isn't CUPS itself, it's the automatic printer discovery mechanism. That's cups-browsed on Linux, not sure how it's achieved on a Mac. And the printer discovery service can't be firewalled: by definition, it has to listen for outside connections to be in any way useful. This is where things like Windows' trusted VS untrusted networks make sense: it's perfectly nice to allow printers to register to your system on your home network, it's a horrible idea when you connect to an airport wifi.