en	A captive portal is a web page that is often displayed before you can access the Internet on public networks in airports, hotels, libraries, and other places.

en	[[!img captive_portal.png link="no" class="svg" alt="Train station Wi-Fi. Click here for 60 minutes of free Wi-Fi" title="Example of a captive portal"]]

en	Tails cannot connect to the Tor network when the Internet connection is initially blocked by a captive portal.