Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The primary purpose of the security token service (STS) is to generate and issue security tokens. Because there are multiple ideas of federation and of what a security token is and how it is consumed, AD FS (and its core STS) has to be aware of the most prevalent of those ideas so that it can handle the greatest number of request types that it encounters. As such, AD FS implements several federation frameworks and protocols, all of which are described in the sections that follow.