O'Reilly logo

Microsoft® Lync® Server 2013 Unleashed Second Edition by Randy Wintle, Alex Lewis, David Ross, Tom Pacyk

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Pre-Authentication

Pre-authentication is a feature that lets the reverse proxy authenticate a user before completing the SSL bridge back to an internal server. This way, unauthenticated traffic is not allowed to communicate with internal services, which makes the deployment more secure. Without pre-authentication, the SSL traffic is authenticated by the internal pool server. It is still inspected and filtered for malicious code by the reverse proxy, but pass-through authentication requires the internal servers to handle authentication of the requests.

Not all features of Lync Server support pre-authentication, and whether pre-authentication can be leveraged depends greatly on business requirements.

Specifically, if anonymous remote access is ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required