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

Using Network Address Translation (NAT) with Lync Server

If a single Edge Server is placed behind a firewall, it is acceptable to enable NAT. NAT effectively takes packets bound for the firewall and forwards them to hosts inside the firewall based on port rules. This enables a company with limited numbers of routable IP addresses to support multiple services with fewer IP addresses. It also provides a layer of security by requiring the firewall to process the packet first before it reaches the eventual destination. In addition, it enables protected systems to hide their IP information because they never appear to be a source of a packet to a system on the Internet; the firewall always appears to be the source.

Tip

If you enable NAT for the ...

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