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19.17. mod_headers
The mod_headers module allows administrators to merge, remove, or replace customizable HTTP response headers to be distributed with documents from the server.
| Header |
Header <set|append|add|unset>:header [value]
[server config, or within <VirtualHost> or <Directory>, or .htaccess]
This directive allows administrators to merge, remove, or replace HTTP headers that are transmitted with server documents. The header action performed is specified after the Header directive; it can be one of four choices:
- set
- The header specified is reset to the value specified.
- append
- A header is appended to the specified response header, if it exists. The new value is listed after the old value and is separated by a comma.
- add
- A new header is created and added to the response headers, even if one already exists.
- unset
- This option deletes the first occurrence of the header in question.
Headers such as Date and Server cannot be overridden using this directive.
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| 19.16. mod_expires |  | 19.18. mod_imap |
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