Citrix Gateway

Deploying with the Web Interface

October 5, 2020

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When you deploy Citrix Gateway to provide secure remote access to Citrix Virtual Apps and Desktops, Citrix Gateway works with the Web Interface and the Secure Ticket Authority (STA) to provide access to published applications and desktops hosted in a server farm.

Deploying Citrix Gateway in the DMZ is the most common configuration when Citrix Gateway operates with a server farm. In this configuration, Citrix Gateway provides a secure single point-of-access for the web browsers and Citrix Receiver that access the published resources through the Web Interface. This section covers the basic aspects of about this deployment option.

The configuration of your organization’s network determines where you deploy Citrix Gateway when it operates with a server farm. You have the following two options:

If your organization protects the internal network with a single DMZ, deploy Citrix Gateway in the DMZ.
If your organization protects the internal network with two DMZs, deploy one Citrix Gateway in each of the two network segments in a double-hop DMZ configuration. For more information, see Deploying Citrix Gateway in a Double-Hop DMZ. Note: You can also configure a double-hop DMZ with the second Citrix Gateway appliance in the secure network.

When you deploy Citrix Gateway in the DMZ to provide remote access to a server farm, you can implement one of the following three deployment options:

Deploy the Web Interface behind Citrix Gateway in the DMZ. In this configuration, as shown in the following figure, both Citrix Gateway and the Web Interface are deployed in the DMZ. The initial user connection goes to Citrix Gateway and is then redirected to the Web Interface. Figure 1. Web Interface Behind Citrix Gateway in the DMZ
Deploy Citrix Gateway parallel to the Web Interface in the DMZ. In this configuration, both Citrix Gateway and the Web Interface are deployed in the DMZ, but the initial user connection goes to the Web Interface instead of Citrix Gateway.
Deploy Citrix Gateway in the DMZ and deploy the Web Interface in the internal network. In this configuration, Citrix Gateway authenticates user requests before relaying the request to the Web Interface in the secure network. The Web Interface does not perform authentication, but interacts with the STA and generates an ICA file to ensure that ICA traffic is routed through Citrix Gateway to the server farm.

The location in which you deploy the Web Interface depends on a number of factors, including:

Authentication. When users log on, either Citrix Gateway or the Web Interface can authenticate user credentials. Where you place the Web Interface in your network is a factor that determines, in part, where users authenticate.
User software. Users can connect to the Web Interface with either the Citrix Gateway plug-in or Citrix Receiver. You can limit the resources users can access by using Citrix Receiver only, or give users greater network access with the Citrix Gateway plug-in. How users connect, and the resources to which you allow users to connect can help determine where you deploy the Web Interface in your network.

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Deploying with the Web Interface

October 5, 2020

Contributed by:

October 5, 2020

Contributed by:

Deploying with the Web Interface

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