Hot answers tagged airport
The Airport line of devices do not support captive portals, if that's what you're referring to. There is no way to set one up to support this. That's more an enterprise feature, and wouldn't be found in most consumer APs.
Go to System Preferences -> Sharing. Enable Internet Sharing. Set Share your connection from to Wi-Fi set the To Computers using to Ethernet. Connect the ethernet cable from Macbook to your airport's Ethernet WAN port (Dotted circle). That's it.
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