Unlike a traditional proxy server, the DMZ Secure Proxy is designed for use outside the corporate firewall and incorporates a higher level of security to protect your deployment. For example, the DMZ Secure Proxy Server does not include an application server or a web container; limiting the software on the server helps protect it from unauthorized access. This added security comes at a cost, in that the DMZ Secure Proxy Server requires some additional configuration during deployment.

To deploy the DMZ Secure Proxy Server, you will set up a dual DMZ deployment where the Sametime Gateway servers reside in the Application DMZ and the DMZ Secure Proxy Server resides in the Web DMZ. External users can access only the DMZ Secure Proxy Server, which in turn passes on requests for data to the Sametime Gateway servers, which in turn connect to the Sametime Community Servers on the corporate intranet before routing data back to the users.