Active Directory Domain Services (AD DS) has been around for 20 years. Its interactions are based on protocols, such as NTLM and Kerberos, that Microsoft has invented and/or expanded on. In fact, these protocols originated before some companies were even connected to the internet era; they were intended for safe networks. However, today, there's a need for open protocols, which are usable on all networks, allowing for interactions without technology boundaries. Active Directory Federation Services (AD FS) allows for these interactions.
AD FS was initially purposed for organization-to-organization collaboration without a need to set up and maintain AD trusts. Recently, it gained traction as the common way to implement single sign-on between AD DS on-premises and Azure AD.
The following recipes will be covered in this chapter:
- Choosing the right AD FS farm...