Blogs. Active Directory Federation Services Role. Updated: January 21, 2008 Applies To: Windows Server 2008 Active Directory® Federation Services (AD FS) is a server role in the Windows Server® 2008 operating system that you can use to create a highly extensible, Internet-scalable, and secure identity access solution that can operate across multiple platforms, including both Windows and non-Windows environments.
Active Directory Federation Services for Windows Server 2008 R2. How to configure a firewall for domains and trusts. This article describes how to configure a firewall for domains and trusts. Collapse this image Expand this image Not all the ports that are listed in the tables here are required in all scenarios. For example, if the firewall separates members and DCs, you don't have to open the FRS or DFSR ports.
Also, if you know that no clients use LDAP with SSL/TLS, you don't have to open ports 636 and 3269. To establish a domain trust or a security channel across a firewall, the following ports must be opened.