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Multi-Factor Authentication (2FA/MFA) for Citrix Gateway (formerly Netscaler)


Citrix MFA provides a secure application access and data protection solutions offered by Citrix Gateway (formerly Netscaler) to access corporate data, applications and virtual desktops anytime, anywhere. miniorange MFA works with Citrix Gateway to provide an additional layer of authentication and protection for administrators and end-users that access the system i.e Citrix MFA

You can enable Two-Factor Authentication (2FA/MFA) for Citrix managed active directory to increase the security level. When you enable 2FA, your users must provide their username and password (first factor) as usual, as well as an authentication code based on your configured 2FA method to gain access to Citrix Gateway VPN.

As a second factor, miniOrange offers 15+ MFA methods to choose from, such as Google/Microsoft/Authy/miniOrange Authenticator, OTP via SMS/Email, and many more.

miniOrange MFA authentication for Citrix Gateway Login

miniOrange accomplishes this by acting as a RADIUS server that accepts the username/password of the user entered as a RADIUS request and validates the user against the user store as Active Directory (AD). After the first level of authentication, miniOrange prompts the user with 2-factor authentication and either grants/revokes access based on the input by the user.


MFA for Citrix Gateway

  1. Primary authentication initiates with the user submitting his Username and Password for Citrix Gateway.
  2. User request acts as an authentication request to RADIUS Server(miniOrange).
  3. miniOrange RADIUS server passes user credentials to validate against the credentials stored in AD (Active Directory) / Database.
  4. Once the user's first level of authentication gets validated AD sends the confirmation to RADIUS Server.
  5. Now miniOrange RADIUS Server asks for a 2-factor authentication challenge to the user.
  6. Here user submits the response/code which he receives on his hardware/phone.
  7. User response is checked at miniOrange’s RADIUS Server side.
  8. On successful 2nd factor authentication the user is granted access to login.

Connect with any External Directories


miniOrange provides user authentication from various external directories such as miniOrange Directory, Microsoft AD, Microsoft Entra ID/LDAP, AWS Cognito and many more.

Can't find your Directory? Contact us on idpsupport@xecurify.com



Get Free POC - Book a Slot


miniOrange offers free POC and help through a consultation call with our System Engineers to Setup Multi-Factor Authentication for Citrix Gateway VPN in your environment with 30-day trial.

For this, you need to just send us an email at idpsupport@xecurify.com to get free POC and we'll help you setting up our solution in no time.


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Enable Multi Factor Authentication MFA/2FA for Citrix Gateway

1. Configure Citrix Gateway in miniOrange

  • Login into miniOrange Admin Console.
  • Click on Customization in the left menu of the dashboard.
  • In Basic Settings, set the Organization Name as the custom_domain name.
  • Click Save. Once that is set, the branded login URL would be of the format https://<custom_domain>.xecurify.com/moas/login
  • Multi Factor authentication for Citrix Gateway : setting up branding

  • Go to Apps Click on Add Application button.
  • MFA for Citrix Gateway: Add Application

  • Choose RADIUS as Application type and click on Create App button.
  • Two-Factor authentication (2FA) for Citrix Gateway : Create Radius Application

  • Click on Citrix Gateway application tab. If you don't find your application click on Radius Client application tab.
  • MFA for Citrix Gateway : Click on Radius Client

  • Select Click here next to Application name to get the Radius server IPs.
  • 2FA for Citrix Gateway : Documentation section

  • Copy and save the Radius server IP which will be required to configure your Radius client.
  • 2FA/MFA for Citrix Gateway : Radius server IPs

  • Configure the below details to add Radius Client.
  • Two-Factor authentication for Citrix Gateway : Add Radius Client

    Client Name: Any name for your reference.
    Client IP: IP address of VPN server which will send Radius authentication request.
    Shared Secret: Security key.
    For Eg. "sharedsecret"
    (Keep this with you, you will need to configure same on VPN Server).
  • Click Next.
  • Under the Attribute Mappings tab, enable the toggle if you want to Send Custom Attributes in response.
  • Multi-Factor Authentication for Citrix Gateway : Click Next

  • To send groups in response, you can refer the below table for Vendor group attributes id.
    Vendor Name Vendor Attribute Value Type Attribute
    Cisco ASA ASA-Group_policy User Groups
    Fortinet Fortinet-Group-Name User Groups
    Palo Alto PaloAlto-user-Group User Groups
    SonicWall Sonicwall-user-group User Groups
    Citrix Citrix-user-groups User Groups
    Default(Can be used if your vendor is not in the list) Filter-Id User Groups
  • Value Type and Attribute can be changed based on the requirement.
  • Click on Next to proceed.
  • Configure the following Policy details for the Radius Client.
  • MFA for Citrix Gateway : Select your Radius Client

    Group Name: Group for which the policy will apply.
    Policy Name: Any Identifier that specifies policy name.
    Login Method Login Method for the users associated with this policy.
    Enable 2-Factor Authentication Enables Second Factor during Login for users associated with this policy.
    Enable Adaptive Authentication Enables Adaptive Authentication for Login of users associated with this policy.
  • After configuring the given above details, Click on Save button.
  • Note: You can follow this guide, if you want to configure Radius MFA using MSCHAPv2 protocol.

    NOTE: For On-Premise version follow the below steps before testing the connectivity.

    Only For On-Premise Version

    Open Firewall Ports.

  • In order to receive the RADIUS request, it is necessary to open UDP traffic on ports 1812 and 1813 for the machine where On-Premise IdP is deployed.
  • If the hosting machine is a Windows Machine then you can follow this document.
  • If the hosting machine is a Linux Machine then you can follow this document.

  • NOTE: If your machine is hosted on AWS, then enable the ports from the AWS panel.

2. Configure RADIUS in Citrix Gateway

  • Log in to the Citrix Access Gateway with Admin account.
  • Navigate to Configuration.
  • Navigate to configure Citrix MFA

  • Click on NetScaler Gateway >> Policies >> Authentication >> RADIUS.
  • Select radius server to configure Citrix Multifactor Authentication

  • Click on Server >> Add to add a new RADIUS Server.
  • Adding Citrix as radius server to setup MFA

  • Here you need to configure the RADIUS Server.
  • Configure Radius Server settings

  • Configure the following details given below to add the RADIUS Server.
  • Name: Appropriate name. Eg: mo-radius-server
    Server IP / Name: For on-premise version: IP of server where IDP(miniOrange) is installed
    For cloud version: Use the Radius Server IPs which you got from Step1.
    Port 1812
    Time-out (seconds) 30 (minimum)
    Secret key Enter the Shared secret that we have configured in RADIUS app in miniOrange IDP. In step 5 we configured the shared secret as "sharedsecret"
    Confirm Secret Key: Enter the Secret key again

  • Click on Details to configure group settings and attributes which can be used for Citrix permissions if needed.
  • Click on Create to save the Server configuration.
  • Save Server Configuration for Citrix MFA

  • After successfully adding the RADIUS server. Go back to the Radius section.
  • Click on Policies >> Add.
  • Add Policy to the Multifactor Authentication

  • Here you need to configure the RADIUS Server Policy.
  • Configure radius server policy to setup Citrix Multifactor Authentication

  • Configure the following details given below to add the RADIUS Server Policy.
  • Name: Appropriate name. Eg: mo-radius-policy
    Server Select the Server name from dropdown which we have created in the previous steps.
    Expression ns_true (You can create a more restrictive expression.)

  • Click on Create to save the policy.
  • Now we need to attach the new policy to an existing VPN vServer configuration.
  • Navigate to NetScaler Gateway >> Virtual Servers from left hand panel.
  • Configure virtual server in gateway to setup Citrix Netscaler MFA

  • Select your vServer and click on Edit.
  • Edit virtual server in gateway

  • Scroll to the Authentication section and unbind any existing policies and close the Authentication sub-window.
  • Go back to the Virtual Server configuration screen, in the Authentication section, select the + (plus) on the right hand side of the section title.
  • Edit virtual server basic Citrix Multifactor Authentication settings

  • In the Choose Policy option select RADIUS.
  • In the Choose Type option select Primary.
  • Click on Continue.
  • Choose policy for virtual server in citrix gateway

  • In the Policy Binding section to select the RADIUS policy that we have created previous steps.
  • Set the Priority to 10.
  • Click on Bind.
  • policy bind choose type in citrix MFA gateway

  • The Virtual Server configuration is now completed.
  • Scroll down to Virtual Server configuration screen and click on Done.

3. Configure Your User Directory

miniOrange provides user authentication from various external sources, which can be Directories (like ADFS, Microsoft Active Directory, Microsoft Entra ID, OpenLDAP, Google, AWS Cognito etc), Identity Providers (like Okta, Shibboleth, Ping, OneLogin, KeyCloak), Databases (like MySQL, Maria DB, PostgreSQL) and many more. You can configure your existing directory/user store or add users in miniOrange.

Note: You can follow this guide, if you want to configure Radius MFA with your users stored in Microsoft Entra ID using OAuth Password Grant.



Configure your existing directories such as Microsoft Active Directory, Microsoft Entra ID, OpenLDAP, etc.

  • Click on External Directories >> Add Directory in the left menu of the dashboard.
  •  2FA: Configure User Store

  • Select Directory type as AD/LDAP.
  •  2FA: Select AD/LDAP as user store

    1. STORE LDAP CONFIGURATION IN MINIORANGE: Choose this option if you want to keep your configuration in miniOrange. If active directory is behind a firewall, you will need to open the firewall to allow incoming requests to your AD.
    2. STORE LDAP CONFIGURATION ON PREMISE: Choose this option if you want to keep your configuration in your premise and only allow access to AD inside premises. You will have to download and install miniOrange gateway in your premise.
    3.  Two-Factor Authentication : Select ad/ldap user store type

  • Enter LDAP Display Name and LDAP Identifier name.
  • Select Directory Type as Active Directory.
  • Enter the LDAP Server URL or IP Address against LDAP Server URL field.
  • Click on Test Connection button to verify if you have made a successful connection with your LDAP server.
  •  MFA/2FA: Configure LDAP server URL Connection

  • In Active Directory, go to the properties of user containers/OU's and search for Distinguished Name attribute.
  •  MFA: Configure user bind account domain name

  • Enter the valid Bind account Password.
  • Click on Test Bind Account Credentials button to verify your LDAP Bind credentials for LDAP connection.
  •  MFA: Check bind account credentials

  • Search Base is the location in the directory where the search for a user begins. You will get this from the same place you got your Distinguished name.
  •  2FA : Configure user search base

  • Select a suitable Search filter from the drop-down menu. If you use User in Single Group Filter or User in Multiple Group Filter, replace the <group-dn> in the search filter with the distinguished name of the group in which your users are present. To use custom Search Filter select "Write your Custom Filter" option and customize it accordingly.
  •  MFA/2FA : Select user search filter

  • You can also configure following options while setting up AD. Enable Activate LDAP in order to authenticate users from AD/LDAP. Click on the Save button to add user store.
  •  MFA : Activate LDAP options

    Here's the list of the attributes and what it does when we enable it. You can enable/disable accordingly.

    Attribute Description
    Activate LDAP All user authentications will be done with LDAP credentials if you Activate it
    Sync users in miniOrange Users will be created in miniOrange after authentication with LDAP
    Fallback Authentication If LDAP credentials fail then user will be authenticated through miniOrange
    Allow users to change password This allows your users to change their password. It updates the new credentials in your LDAP server
    Enable administrator login On enabling this, your miniOrange Administrator login authenticates using your LDAP server
    Show IdP to users If you enable this option, this IdP will be visible to users
    Send Configured Attributes If you enable this option, then only the attributes configured below will be sent in attributes at the time of login

  • Click on Save. After this, it will show you the list of User stores. Click on Test Connection to check whether you have enter valid details. For that, it will ask for username and password.
  •  2FA: Test AD/Ldap connection

  • On Successful connection with LDAP Server, a success message is shown.
  • Click on Test Attribute Mapping.
  •  LDAP successful connection

  • Enter a valid Username. Then, click on Test. Mapped Attributes corresponding to the user are fetched.
  •  MFA: Fetch mapped attributes for user

  • After successful Attribute Mapping Configuration, go back to the ldap configuration and enable Activate LDAP in order to authenticate users from AD/LDAP.
  • Refer our guide to setup LDAPS on windows server.

User Import and Provisioning from AD



Note: Below steps are used to enable one time or manual sync. To enable sync on scheduled basis, you should use LDAP gateway module. Read more and download the LDAP gateway module.


  • Go to Settings >> Product Settings in the Customer Admin Account.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  miniOrange dashboard

  • Enable the "Enable User Auto Registration" option and click Save.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  Enable User Auto Registration

  • (Optional) To send a welcome email to all the end users that will be imported, enable the "Enable sending Welcome Emails after user registration" option and click Save.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  Enable sending Welcome Emails after user registration

  • From the Left-Side menu of the dashboard select Provisioning.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  User Sync/Provisioning

  • In Setup Provisioning tab select Active Directory in the Select Application drop-down.
  • Toggle the Import Users tab, click on Save button.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  User Sync Active Directory Configuration

  • On the same section, switch to Import Users section.
  • Select Active Directory from the dropdown and click on the Import Users tab, to import all the users from Active Directory to miniOrange.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  User Sync Import Operation

  • You can view all the Users you have imports by selecting Users >> User List from Left Panel.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  User List

  • All the imported users will be auto registered.
  • These groups will be helpful in adding multiple 2FA policies on the applications.
  • To add your users in miniOrange there are 2 ways:
  • 1. Create User in miniOrange

    • Click on Users >> User List >> Add User.
    •  VPN 2FA : Add user in miniOrange

    • Here, fill the user details without the password and then click on the Create User button.
    •  MFA: Add user details

    • After successful user creation a notification message "An end user is added successfully" will be displayed at the top of the dashboard.
    •  Two-Factor Authentication: Add user details

    • Click on Onboarding Status tab. Check the email, with the registered e-mail id and select action Send Activation Mail with Password Reset Link from Select Action dropdown list and then click on Apply button.
    •  2FA: Select email action

    • Now, Open your email id. Open the mail you get from miniOrange and then click on the link to set your account password.
    • On the next screen, enter the password and confirm password and then click on the Single Sign-On (SSO) reset password button.
    •  Multi-Factor Authentication: Reset user password
    • Now, you can log in into miniOrange account by entering your credentials.

    2. Bulk Upload Users in miniOrange via Uploading CSV File.

    • Navigate to Users >> User List. Click on Add User button.
    •  2FA: Add users via bulk upload

    • In Bulk User Registration Download sample csv format from our console and edit this csv file according to the instructions.
    •  Two-Factor authentication: Download sample csv file

    • To bulk upload users, choose the file make sure it is in comma separated .csv file format then click on Upload.
    •  2FA : Bulk upload user

    • After uploading the csv file successfully, you will see a success message with a link.
    • Click on that link you will see list of users to send activation mail. Select users to send activation mail and click on Send Activation Mail. An activation mail will be sent to the selected users.

Creating User Groups (Recommended)


  • This step involves Importing the user group from the Active Directory and Provisioning them.
  • Go to Provisioning. Switch to Setup Provisioning tab and select Active Directory from Dropdown menu.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway : Select Active Directory (AD)

  • Select Group Provisioning/Deprovisioning tab, and toggle on Import Group option.
  • Enter the Base DN for group sync and click Save.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway : Enter BaseDN

  • If you want to dynamically allocate users to the groups present in the miniOrange, then enable "Assign Users to groups"
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway : Switch on import Group

  • Now switch to Import Groups option and select Active Directory from which you want to import your users.
  • Finally, click on Import button. Your group will be imported.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway : User group imported successfully

    (The Active Directory Group Provisioning (Sync) setup is done. Now, whenever a user is created or modified in LDAP server and if the Assign Users to groups is enabled, then user group attribute from the LDAP server will be automatically synced and the user group will be assigned or changed accordingly in miniOrange.)

  • Select Groups >> Manage Groups from left panel.
  • Click on the Create Group button on the top.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  Manage Groups

  • Enter an appropriate Group Name and click on Create Group.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  Create Groups

  • In this guide we have created a Group by name VPN_Group.
  • Assign various members to the group using the Assign User option associated with the group in the groups list.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  User Assign

  • Select the Users that are required to be assigned to this group. Then Select Assign to Group in Select Action Dropdown and click on Apply button.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  Assignment to Group

  • These groups will be helpful in adding multiple 2FA policies on the applications.


4. Setup MFA for Citrix Gateway

Note: You can follow this guide, if you want to customize and enroll MFA for end users.


  • Here, we will configure a policy for the User Group that we created in this step and associate it with the Citrix Gateway VPN Application.
  • Click on Policies tab >> App Login Policy.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  App Authentication Policy

  • Click on Add Policy tab.
  • In Application section, select the RADIUS App that we configured earlier in Step 1.
  • Select the required User Group in Group Name and enter the Policy name.
  • In this guide, we will configure a Password Only policy for "VPN_Group", so that only the VPN_Group members can access VPN Services without a Second Factor.
  • Once done with the policy settings, click on Save to Add Policy.
  • MFA/Two-Factor Authentication(2FA) for Citrix Gateway  App Add Policy


5. Test Citrix Gateway MFA

  • Navigate to your Citrix Gateway URL.
  • Enter username and password and click on Log On
  • Two-Factor Authentication (2FA/MFA) for Citrix Gateway : Login to Citrix gateway

  • It will prompt for a second factor code if you have enabled Two-Factor Authentication in miniOrange Policy.
  • Enter your two-factor Code and you should be connected to the Citrix Gateway Securely.

Troubleshooting

How can I check RADIUS User audit logs in miniOrange admin dashboard?

  • Login to miniOrange Admin Dashboard.
  • Click on Reports >> Radius User Authentication Report.
  • citrix authenticator app : Authentication Reports

  • Enter Enduser Identifier and Date range.
  • Click on Search.
  • Enduser Authentication Logs


Frequently Asked Questions (FAQs)

What is Multi-Factor Authentication (MFA)?

Multi-Factor Authentication (MFA) is an authentication method that requires the user to authenticate themselves for two or more factors, in order to gain access to company resources, applications, or a VPN (Citrix Gateway in this case). Enabling Multi-Factor Authentication (MFA) means that users need to provide additional verification factors apart from their username and passwords thus increasing the security of the organization's resources. Checkout more about Multi-Factor Authentication (MFA) here.

Three common authentication methods for MFA security are:

  • Knowledge: Something that the user knows.
  • Possession: Something that the user possesses or has.
  • Inherence: Usually referred to a biometric factor.

Types of 2FA Authentication with RADIUS:

Depending on the VPN client, 2-factor authentication can take two forms..

  • VPN Clients that support RADIUS Challenge.
  • VPN Clients that do not support RADIUS Challenge.

What are different 2FA/MFA methods for Citrix Gateway supported by miniOrange?

miniOrange supports multiple 2FA/MFA authentication methods for Citrix Gateway secure access such as, Push Notification, Soft Token, Microsoft / Google Authenticator etc.

Authentication TypeMethodSupported
miniOrange Authenticator Soft Token
miniOrange Push Notification
Mobile Token Google Authenticator
Microsoft Authenticator
Authy Authenticator
SMSOTP Over SMS
SMS with Link
EmailOTP Over Email
Email with Link
Call VerificationOTP Over Call
Hardware Token YubiKey Hardware Token
Display Hardware Token


Further References

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