Planning for authentication servers
Microsoft Forefront Threat Management Gateway can use a number of authentication servers to validate client credentials:
- Active Directory. Used to authenticate incoming requests for published resources, or outbound requests to the Internet.
- LDAP Server. Used to authenticate incoming requests for published resources only.
- RADIUS Server. Used to authenticate incoming requests for published resources, or outbound requests to the Internet.
- RADIUS OTP. Used to authenticate incoming requests for published resources only.
- RSA SecurID. Used to authenticate incoming requests for published resources only.
This section provides information about best practices for planning and configuring authentication servers.