setting HTTP Headers in apache httpd.conf

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In a lot of cases, we have to set particular http headers for objects. For example to set the caching age, caching control etc. How the http headers can be set? This can be done very easily using the Apache web server configuration file.


Suppose you want to set http headers for the mp4 or mpd(MPEG Dash) video files served by the webserver.

Open the httpd.conf in your favourite editor and add the following.

<FilesMatch ".(mpd|mp4)">
        Header set Access-Control-Allow-Origin "*"
        Header set Access-Control-Allow-Headers "Origin,Content-Type,Access-Control-Allow-Origin,Range,Accept"

        Header set Access-Control-Expose-Headers "Access-Control-Allow-Origin, Content-Length, Content-Type, Date, Range, Server, Transfer-Encoding"
        Header set Access-Control-Allow-Methods "GET,POST,PUT,DELETE,OPTIONS"

        Header set Access-Control-Max-Age "1800"
</FilesMatch>

Restart or reload Apache.

Checking the response:

Response:

[root@localhost ~]# curl -I http://xxx.amazonaws.com/DARK_KNIGHT.mpd

HTTP/1.1 200 OK

Date: Wed, 20 May 2015 08:36:17 GMT

Server: Apache

Last-Modified: Mon, 04 May 2015 13:16:44 GMT

ETag: "682461-a5a-5f91c700"

Accept-Ranges: bytes

Content-Length: 2650

Access-Control-Allow-Origin: *

Access-Control-Allow-Headers: Origin,Content-Type,Access-Control-Allow-Origin,Range,Accept

Access-Control-Expose-Headers: Access-Control-Allow-Origin, Content-Length, Content-Type, Date, Range, Server, Transfer-Encoding

Access-Control-Allow-Methods: GET,POST,PUT,DELETE,OPTIONS

Access-Control-Max-Age: 1800

Connection: close

Content-Type: text/xml

Thats it. Have fun. Share the knowledge.