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title: "Middleware, sessions and auth · vuejs.school"
description: "Sign visitors in with a sealed cookie session, check it in every protected API route, redirect pages with route middleware, and avoid the redirect loop and the missing cookie on first load."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Middleware, sessions and auth**

Sign visitors in with a sealed cookie session, check it in every protected API route, redirect pages with route middleware, and avoid the redirect loop and the missing cookie on first load.

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