ExpressionEngine Docs

# HTTP Header

- Parameters

The HTTP Header plugin allows you to set HTTP headers in your templates.

### Example Usage

This is a single tag that will set a 410 “Gone” status on the request.

    {exp:http_header status="410"}

## Parameters

Here are the available parameters:

Parameter | Corresponding HTTP Header / Instructions
--- | ---
access_control_allow_credentials= | Access-Control-Allow-Credentials
access_control_allow_headers= | Access-Control-Allow-Headers
access_control_allow_methods= | Access-Control-Allow-Methods
access_control_allow_origin= | Access-Control-Allow-Origin
access_control_expose_headers= | Access-Control-Expose-Headers
access_control_max_age= | Access-Control-Max-Age
alt_svc= | Alt-Svc
cache_control= | Cache-Control
charset= | charset to use with the content_type parameter.
content_disposition= | Content-Disposition - You can manually write out the full header value (i.e. attachment; filename=”example.txt”), or just use a value of “attachmenet” and use the filename= parameter.
content_encoding= | Content-Encoding
content_language= | Content-Language
content_length= | Content-Length
content_location= | Content-Location
content_md5= | Content-MD5
content_range= | Content-Range
content_type= | Content-Type - You can manually write out the full header value (i.e. text/html; charset=UTF-8) or you can simply specify the type and use the charset= parameter.
etag= | ETag
expires= | Expires - You can use relative date such as “+1 day”;
filename= | When content_disposition is set to attachment, this sets the filename.
last_modified= | Last-Modified - You can use relative date such as “+1 day”;
link= | Link
location= | Location
pragma= | Pragma
refresh= | Refresh - You can manually write out the full header value (i.e. 5; url=https://example.com/), or just set the refresh value in seconds and use the url= parameter.
retry_after= | Retry-After - You can either specify a number of seconds or use relative dates (i.e. “+90 mins”).
status= | Status
tk= | Tk
url= | URL to use in the refresh parameter.
vary= | Vary
via= | Via
warning= | Warning
x_content_duration= | X-Content-Duration
x_content_type_options= | X-Content-Type-Options
x_frame_options= | X-Frame-Options
x_ua_compatible= | X-UA-Compatible