Forefront Unified Access Gateway (UAG) supports the use of a number of different authentication protocols to authenticate end users to the Forefront UAG portal. By using these authentications protocols, you can provide strong authentication, for example two-factor or smart card authentication.
The following topics describe the supported authentication protocols:
- LDAP
authentication
- SSL client certificate
authentication
- RADIUS
authentication
- RSA SecurID
authentication
- TACACS
authentication
- WINHTTP
authentication
 Note: |
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| If you do not want to use one of the authentication schemes provided by Forefront UAG, you can configure a custom authentication scheme. |