HTTP Header Manual | ExpressionEngine

{exp:http_header}
Example Usage
This is a single tag that will set a 410 "Gone" status on the request.


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