---
title: fastly_info.host_header
summary: null
url: >-
  https://www.fastly.com/documentation/reference/vcl/variables/client-request/fastly-info-host-header
---

**Type:** STRING  
**Access:** read-only

**Available in:** 

The original Host header sent by the client, prior to any VCL modifications to `req.http.host`.