Token authentication is one of the superior mechanisms for securing your CDN content. In short, it allows to prevent data delivery to unauthorized users. It is a security against hotlinking, i.e. stealing your content automatically and using it on 3rd party websites. Failure to prevent this will result in higher CDN costs.
How it works?
Token authentication ensures that CDN node checks request on its service before delivering content. After such check is performed, the requests are accepted or denied.
Most of CDN solutions provided by us support Token Authentication in feature
Token Authentication is usually used to limit the access to CDN content by country, host, URL, IP address, referrer, as well as set certain time after which the link to content will expire.