NetScaler is often used as a secure gateway solution to publish Citrix applications such as XenApp or XenDesktop, or it can also be used to proxy connections to backend services such as SharePoint or Exchange. Also, we can use NetScaler as an authentication point to securely publish resources that we want to protect behind a two-factor authentication mechanism, or we can use it to restrict access to different internal resources that are all part of the AAA module. In this chapter, we will cover the following topics:
What is AAA?
Configuring AAA for a virtual server
Authorization and security levels
Other resources
AAA is a term that stands for authentication, authorization, and auditing. This contains many different subfeatures of NetScaler. An important thing to remember is that this feature is only a part of the enterprise and platinum license of NetScaler.
Let's look closely at an example to see what we can do with this feature. For instance, we want to publish...