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Configuring Apache to append the required HTTP headers to HLS streams

Enable the headers apache module

sudo a2enmod headers

Edit you config file (for example: /etc/apache2/sites-enabled/site-config.conf) and add the following lines

<VirtualHost *:80>
Header set Access-Control-Allow-Origin "*"
Header set Access-Control-Expose-Headers "Content-Length"
Header set Access-Control-Allow-Headers "Range"

To validate that the headers are set appropriately you can run:

curl -v [http-end-point]

The result should contain the following lines (not necessarily in this order):

< Access-Control-Expose-Headers: Content-Length
< Access-Control-Allow-Headers: Range
< Access-Control-Allow-Origin: *

Alternatively you can use our online validator.