- NetScaler Gateway Release Notes
- About NetScaler Gateway
- Common Deployments
- What's New
- Known Issues
- Client Software Requirements
- Compatibility with Citrix Products
- Before Getting Started
Installing the System
- Configuring NetScaler Gateway
- Using the Configuration Utility
- Policies and Profiles on NetScaler Gateway
- Viewing NetScaler Gateway Configuration Settings
- Configuring the NetScaler Gateway by Using Wizards
- Configuring the Host Name and FQDN on NetScaler Gateway
- Installing and Managing Certificates
- Testing Your NetScaler Gateway Configuration
- Creating Virtual Servers
- Configuring IP Addresses on NetScaler Gateway
- Resolving DNS Servers Located in the Secure Network
- Configuring DNS Virtual Servers
- Configuring Name Service Providers
- Configuring Server-Initiated Connections
- Configuring Routing on NetScaler Gateway
- Configuring Auto Negotiation
Authentication and Authorization
- Configuring Default Global Authentication Types
- Configuring Authentication Without Authorization
- Configuring Authorization
- Disabling Authentication
- Configuring Authentication for Specific Times
- How Authentication Policies Work
- Configuring Local Users
- Configuring Groups
- Configuring LDAP Authentication
- Configuring Client Certificate Authentication
- Configuring RADIUS Authentication
- Configuring SAML Authentication
- Configuring TACACS+ Authentication
- Configuring Multifactor Authentication
- Configuring Single Sign-On
- Configuring One-Time Password Use
- nFactor for Gateway Authentication
- Unified Gateway Visualizer
Configuring the VPN User Experience
- How User Connections Work with the NetScaler Gateway Plug-in
- Choosing the User Access Method
- Deploying NetScaler Gateway Plug-ins for User Access
- Selecting the NetScaler Gateway Plug-in for Users
Integrating the NetScaler Gateway Plug-in with Citrix Receiver
- How User Connections Work with Citrix Receiver
- Adding the NetScaler Gateway Plug-in to Citrix Receiver
- Decoupling the Citrix Receiver Icon
- Configuring IPv6 for ICA Connections
- IConfiguring the Receiver Home Page on NetScaler Gateway
- Applying the Receiver Theme to the Logon Page
- Creating a Custom Theme for the Logon Page
- Customizing the User Portal
- Configuring Clientless Access
- Configuring the Client Choices Page
- Configuring Access Scenario Fallback
Configuring Connections for the NetScaler Gateway Plug-in
- Configuring the Number of User Sessions
- Configuring Time-Out Settings
- Connecting to Internal Network Resources
- Configuring Split Tunneling
- Configuring Client Interception
- Configuring Name Service Resolution
- Enabling Proxy Support for User Connections
- Configuring Address Pools
- Supporting VoIP Phones
- Configuring Application Access for the NetScaler Gateway Plug-in for Java
- Configuring the Access Interface
- How a Traffic Policy Works
- Configuring Session Policies
Configuring Endpoint Polices
- How Endpoint Policies Work
- Evaluating User Logon Options
- Setting the Priority of Preauthentication Policies
- Configuring Preauthentication Policies and Profiles
- Configuring Post-Authentication Policies
- Configuring Security Preauthentication Expressions for User Devices
- Configuring Compound Client Security Expressions
- Advanced Endpoint Analysis Scans
- Managing User Sessions
- Configuring Unified Gateway
Deploying in a Double-Hop DMZ
- Deploying NetScaler Gateway in a Double-Hop DMZ
- How a Double-Hop Deployment Works
- Communication Flow in a Double-Hop DMZ Deployment
- Preparing for a Double-Hop DMZ Deployment
Installing and Configuring Netscaler Gateway in a Double-Hop DMZ
- Configuring Settings on the Virtual Servers on the NetScaler Gateway Proxy
- Configuring the Appliance to Communicate with the Appliance Proxy
- Configuring NetScaler Gateway to Handle the STA and ICA Traffic
- Opening the Appropriate Ports on the Firewalls
- Managing SSL Certificates in a Double-Hop DMZ Deployment
Using High Availability
- How High Availability Works
- Configuring Settings for High Availability
- Configuring Communication Intervals
- Synchronizing NetScaler Gateway Appliances
- Synchronizing Configuration Files in a High Availability Setup
- Configuring Command Propagation
- Configuring Fail-Safe Mode
- Configuring the Virtual MAC Address
- Configuring High Availability Pairs in Different Subnets
- Configuring Route Monitors
- Configuring Link Redundancy
- Understanding the Causes of Failover
- Forcing Failover from a Node
- Using Clustering
Maintaining and Monitoring the System
- Configuring Delegated Administrators
- Configuring Auditing on NetScaler Gateway
- Enabling NetScaler Gateway Plug-in Logging
- To monitor ICA connections
- Integrating with Citrix Products
- How Users Connect to Applications, Desktops, and ShareFile
- Deploying with XenMobile App Edition, XenApp, and XenDesktop
Accessing XenApp and XenDesktop Resources with the Web Interface
- Integrating NetScaler Gateway with XenApp or XenDesktop
- Establishing a Secure Connection to the Server Farm
- Deploying with the Web Interface
- Setting Up a Web Interface Site to Work
- Configuring Communication with the Web Interface
- Configuring Additional Web Interface Settings on NetScaler Gateway
- Configuring Access to Applications and Virtual Desktops in the Web Interface
- Configuring SmartAccess
- Configuring SmartControl
Configuring Single Sign-On to the Web Interface
- To configure single sign-on to Web applications globally
- To configure single sign-on to Web applications by using a session policy
- To define the HTTP port for single sign-on to web applications
- Additional Configuration Guidelines
- To test the single sign-on connection to the Web Interface
- Configuring Single Sign-On to the Web Interface by Using a Smart Card
- To configure single sign-on for XenApp and file shares
- Allowing File Type Association
Integrating with App Controller or StoreFront
- How NetScaler Gateway and App Controller Integrate
- Creating Policies with the Quick Configuration Wizard
- Configuring NetScaler Gateway and App Controller
- Configuring Session Policies and Profiles for App Controller and StoreFront
- Configuring Custom Clientless Access Policies for Receiver
- Configuring Custom Clientless Access Policies for Receiver for Web
- Using WebFront to Integrate with StoreFront
- Integrate NetScaler Gateway with StoreFront
Configuring Settings for Your XenMobile Environment
- Configuring Load Balancing Servers for XenMobile
- Configuring Load Balancing Servers for Microsoft Exchange with Email Security Filtering
- Configuring XenMobile NetScaler Connector (XNC) ActiveSync Filtering
- Allowing Access from Mobile Devices with XenMobile Apps
- Configuring Domain and Security Token Authentication for XenMobile
- Configuring Client Certificate or Client Certificate and Domain Authentication
- Optimizing Network Traffic with CloudBridge
- RfWebUI Persona on Gateway UX Configuration
- RDP Proxy
- HDX Enlightened Data Transport Support
- Microsoft Intune Integration
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Establishing a Secure Connection to the Server Farm
The following example shows how NetScaler Gateway deployed in the DMZ works with the Web Interface to provide a secure, single point-of-access to published resources available in a secure enterprise network.
In this example, all of the following conditions exist:
- User devices from the Internet connect to NetScaler Gateway by using Citrix Receiver.
- The Web Interface resides behind NetScaler Gateway in the secure network. The user device makes the initial connection to NetScaler Gateway and the connection is passed to the Web Interface.
- The secure network contains a server farm. One server within this server farm runs the Secure Ticket Authority (STA) and the Citrix XML Service. The STA and the XML Service can run on either XenApp or XenDesktop.
- A remote user types the address of NetScaler Gateway; for example,
https://www.ag.wxyco.com, in the address field of a web browser. The user device attempts this SSL connection on port 443, which must be open through the firewall for the connection to succeed.
- NetScaler Gateway receives the connection request and users are asked for their credentials. The credentials are passed back through NetScaler Gateway, users are authenticated, and the connection is passed to the Web Interface.
- The Web Interface sends the user credentials to the Citrix XML Service running in the server farm.
- The XML Service authenticates the user credentials and sends the Web Interface a list of the published applications or desktops the user is authorized to access.
- The Web Interface populates a Web page with the list of published resources (applications or desktops) that the user is authorized to access and sends this Web page to the user device.
- The user clicks a published application or desktop link. An HTTP request is sent to the Web Interface indicating the published resource that the user clicked.
- The Web Interface interacts with the XML Service and receives a ticket indicating the server on which the published resource runs.
- The Web Interface sends a session ticket request to the STA. This request specifies the IP address of the server on which the published resource runs. The STA saves this IP address and sends the requested session ticket to the Web Interface.
- The Web Interface generates an ICA file containing the ticket issued by the STA and sends it to the Web browser on the user device. The ICA file generated by the Web Interface contains the fully qualified domain name (FQDN) or the Domain Name System (DNS) name of NetScaler Gateway. Note that the IP address of the server running the requested resource is never revealed to users.
- The ICA file contains data instructing the web browser to start Citrix Receiver. The user device connects to NetScaler Gateway by using the NetScaler Gateway FQDN or DNS name in the ICA file. Initial SSL/TLS handshaking occurs to establish the identity of NetScaler Gateway.
- The user device sends the session ticket to NetScaler Gateway and then NetScaler Gateway contacts the STA for ticket validation.
- The STA returns the IP address of the server on which the requested application resides to NetScaler Gateway.
- NetScaler Gateway establishes a TCP connection to the server.
- NetScaler Gateway completes the connection handshake with the user device and indicates to the user device that the connection is established with the server. All further traffic between the user device and the server is proxied through NetScaler Gateway. The traffic between the user device and NetScaler Gateway is encrypted. The traffic between NetScaler Gateway and the server can be encrypted independently, but is not encrypted by default.