I work at a local coffee shop that supplies free wi-fi. In the office, I am usually connected to that same wi-fi. Anyone who goes to the standard ip address of our router can see my computer's name, as well as my LAN ip and whether or not I'm online. As I do not want to be known to our customers in case anyone tries an attack, I wanted to know how to make myself invisible on the network. I remember hearing something about starting my computer's network name with a special character, but don't know which one. Any help?
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