A security layer for use as a companion to Windows Terminal Services, Secure Global Desktop TSE 4 features support for cross-platform clients. With broad, cross-platform RDP client support, TSE 4 offers built-in support for a variety of client devices. In addition, it broadens the range of Windows-based terminals, Linux clients, and Macintosh computers to access applications on Microsoft Windows Terminal Servers via RDP.

Tarantella's TSE 4 was developed by leveraging the company's experience in developing secure application access software. A number of additional features were added to TSE 4. Microsoft Windows Terminal Servers can now rely on additional, powerful security measures to securely access mission-critical applications from either their local intranet or via the public Internet.

Tarantella's relay server has been tightened, and now features a DMZ-friendly configuration of its relay server, which reduces the requirements for open ports on the inner and outer firewall to a single, configurable port.

Tarantella included not only security enhancements, but performance enhancements as well. TSE 4 provides Windows Terminal Server users with an improved printing and application performance experience. The enhancements include printer and IFS data compression, and printing bandwidth throttling for much better application performance during large print jobs.