November 2018
Beginner to intermediate
270 pages
7h 53m
English
There is another potential vector when we are managing redirects, known as shorteners. Sometimes the URL generated by an application or created by a developer is too long or complex to remember; URL shorteners were invented for such cases.
URL shorteners are services where anyone can store a URL, temporary or permanently, and then the service will generate a new one. This new URL is shorter than the original and easy to remember. A user can access the resource, using this shorter URL. This will redirect the user to the original URL:

For example, imagine we have an original URL, such as the following:
http://www.testsiste.com/redirect?url=http://othersite.com/evil.php ...
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