---
title: Headers
summary: null
url: https://www.fastly.com/documentation/reference/vcl/functions/headers
---

- [header.filter](https://www.fastly.com/documentation/reference/vcl/functions/headers/header-filter/)
- [header.filter_except](https://www.fastly.com/documentation/reference/vcl/functions/headers/header-filter-except/)
- [header.get](https://www.fastly.com/documentation/reference/vcl/functions/headers/header-get/)
- [header.set](https://www.fastly.com/documentation/reference/vcl/functions/headers/header-set/)
- [header.unset](https://www.fastly.com/documentation/reference/vcl/functions/headers/header-unset/)