Securing Citrix XenApp Server in the Enterprise

Introduction of Terminal Services and Citrix XenApp Server

The concept of users sharing computing resources is not new. The practice of this computing model dates back to mainframes with green-screen terminals. While computing has evolved dramatically since those early days, the basic premise of “centralized” computing hasn't changed a great deal. Centralized or server-based computing originally sprang out of the need for many users to have access to very expensive computing resources without actually placing a computer on each user's desk. This was the right approach for the time due to two primary reasons. First, computers then cost hundreds of thousands, if not millions, of dollars to acquire and typically cost even more to maintain and operate. ...