Two-Factor Authentication (2FA/MFA) for Windows VPN
miniOrange Windows VPN 2FA solution supports the use of PAP Authentication with PPTP, SSTP, and L2TP VPN. A Windows PPTP client will not negotiate MPPE (encryption) when PAP is used, meaning the password is sent from the client to the RRAS server as plain text. miniOrange recommends SSTP or L2TP, which encrypt communication between the client and the RRAS server. When you enable Two-Factor Authentication (2FA) for Windows VPN, your users enter their username and password (first factor) as usual, and they have to enter an authentication code (the second factor) which will share on your virtual or hardware 2FA solution to get access.
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Video Setup Guide
miniOrange 2FA authentication for Windows VPN 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.
Primary authentication initiates with the user submitting his Username and Password for Windows VPN.
User request acts as an authentication request to RADIUS Server(miniOrange).
miniOrange RADIUS server passes user credentials to validate against the credentials stored in AD (Active Directory) / Database.
Once the user's first level of authentication gets validated AD sends the confirmation to RADIUS Server.
Now miniOrange RADIUS Server asks for a 2-factor authentication challenge to the user.
Here user submits the response/code which he receives on his hardware/phone.
User response is checked at miniOrange’s RADIUS Server side.
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, Azure Active Directory/LDAP, AWS Cognito and many more.
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
Go to Apps Click on Add Application button.
Choose RADIUS as Application type and click on Create App button.
Click on Windows VPN application tab. If you don't find your application click on Radius Client application tab.
Select Click here next to Application name to get the Radius server IPs.
Copy and save the Radius server IP which will be required to configure your Radius client.
Configure the below details to 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 and then click Next. You can fill in vendor and attribute details as per your requirement
You can refer the table below for Vendor group attributes id.
Vendor Name
Group Attribute
Vendor ID
Vendor Attribute ID
Cisco ASA VPN
26 Vendor-Specific
3076
25
Fortinet VPN
26 Vendor-Specific
12356
1
Palo Alto VPN
26 Vendor-Specific
25461
5
SonicWall VPN
26 Vendor-Specific
8741
3
Citrix VPN
26 Vendor-Specific
66
16
Configure the following Policy details for the 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.
Notice: Undefined variable: tacacs_req_port in /var/www/html/common-template-docs/radius-application.php on line 242
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.
Install Routing and Remote Access Services
Login to your server through Remote Desktop in which you want to install VPN.
Open Server Manager and click on Add roles and features.
Follow the steps for the installation wizard. Select Role-based or feature-based installation Installation Type.
In server selection field, check Select a server from the server pool. You will see your server with computer name in server pool.
Select Remote Access role in Server roles and click on Next.
In Role services, select DirectAccess and VPN and click on Next.
Review installation page and click on install once you are ready. Once the installation is completed, click Open the Getting Started Wizard.
You will see ‘Configure Remote Access‘ wizard. Click on Deploy VPN only.
2. Configure RADIUS in Windows VPN
You will see Routing and Remote Access MMC. Right click on your server name and click on Configure and Enable Routing and Remote Access.
Now, follow the installation wizard instruction. Click Next on Welcome wizard.
In configuration wizard, select Custom Configuration and click on Next.
Check the VPN access checkbox.
Click Finish and start the service.
After the service is started properly.Right click on your server name and click on Properties.
Go to the Security tab and Select Radius Authentication in Authentication Provider drop-down.
Click on Configure button and Configure the radius server by adding radius server ip and shared secret.
Hostname or IP Address:
For on-premise version: IP of server where IDP(miniOrange) is installed For cloud version: To get the IP contact us at info@xecurify.com
Now click on Authentication Methods button and Select Unencrypted Password(PAP) in Authentication Methods.
Select None in the Accounting Provider dropdown.
Goto IPv4 tab, check Static Address pool and Add an ip address range.
If you specifically want to add L2TP VPN client, then check Allow custom IPSec policy for L2TP/IKEv2 and add a Pre Shared key which will be used while adding vpn client.
Click on OK.
NOTE: Make sure the below ports are opened for specific VPN clients on the server where RRAS is installed.
For PPTP
1723 TCP and GRE 47
For L2TP/IKEv2
1701 UDP
For SSTP
443 TCP
For Radius
1812 and 1813 UDP
Setting up Windows VPN client
In your client PC, Go to Settings >> VPN >> Add new VPN connection.
Select Windows(Built-in) in VPN Provider.
Enter a Connection name.
Input the Server Address. It would be the address of Server where RRAS is installed.
Select VPN Type according to your requirement.
Click on Save.
Go to the Network and sharing center in the Control Panel.
Click on Change Adapter setting and locate the recently added VPN connection.
Right click and go to Properties.
Under the Security tab, in Authentication section, select Unencrypted Password(PAP) protocol.
For L2TP: Click on the Advanced Settings button.
Enter the Preshared Key which was configured in RRAS for L2TP.
Click on the OK button.
3. Configure Your User Directory
miniOrange provides user authentication from various external sources, which can be Directories (like ADFS, Microsoft Active Directory, Azure AD, 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.
Setup AD/LDAP as User Directory
Setup miniOrange as User Directory
Configure your existing directories such as Microsoft Active Directory, Azure, OpenLDAP, etc.
Click on External Directories >> Add Directory in the left menu of the dashboard.
Select Directory type as AD/LDAP.
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.
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.
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.
In Active Directory, go to the properties of user containers/OU's and search for Distinguished Name attribute.
Enter the valid Bind account Password.
Click on Test Bind Account Credentials button to verify your LDAP Bind credentials for LDAP connection.
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.
Select a suitable Search filter from the drop-down menu. To use custom Search Filter select "Write your Custom Filter" option and customize it accordingly.
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.
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.
On Successful connection with LDAP Server, a success message is shown.
Click on Test Attribute Mapping.
Enter a valid Username. Then, click on Test. Mapped Attributes corresponding to the user are fetched.
After successful Attribute Mapping Configuration, go back to the ldap configuration and enable Activate LDAP in order to authenticate users from AD/LDAP.
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.
Enable the "Enable User Auto Registration" option and click Save.
(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.
From the Left-Side menu of the dashboard select Provisioning.
In Setup Provisioning tab select Active Directory in the Select Application drop-down.
Toggle the Import Users tab, click on Save button.
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.
You can view all the Users you have imports by selecting Users >> User List from Left Panel.
All the imported users will be auto registered.
These groups will be helpful in adding multiple 2FA policies on the applications.
Here, fill the user details without the password and then click on the Create User button.
After successful user creation a notification message "An end user is added successfully" will be displayed at the top of the dashboard.
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.
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.
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.
In Bulk User Registration Download sample csv format from our console and edit this csv file according to the instructions.
To bulk upload users, choose the file make sure it is in comma separated .csv file format then click on Upload.
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.
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.
Select Group Provisioning/Deprovisioning tab, and toggle on Import Group option.
Enter the Base DN for group sync and click Save.
If you want to dynamically allocate users to the groups present in the miniOrange, then enable "Assign Users to groups"
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.
(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.
Enter an appropriate Group Name and click on Create Group.
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.
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.
These groups will be helpful in adding multiple 2FA policies on the applications.
4. Setup MFA for Windows VPN
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 Windows VPN VPN Application.
Click on Policies tab >> App Login 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.
5. Test Windows VPN MFA
Click on the newly added VPN connection and Initiate a VPN client connection to verify your configuration by clicking on Connect.
Enter your username and password+otp passcode.
For example, given a username 'bob', with password 'passwordabc' and a miniOrange passcode '123456', you would enter:
username: bob
password: passwordabc123456
After successful validation, you are connected to Windows VPN.
Troubleshooting
How can I check RADIUS User audit logs in miniOrange admin dashboard?
Click on Reports >> Radius User Authentication Report.
Enter Enduser Identifier and Date range.
Click on Search.
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 (Windows VPN 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 Windows VPN supported by miniOrange?
miniOrange supports multiple 2FA/MFA authentication methods for Windows VPN secure access such as, Push Notification, Soft Token, Microsoft / Google Authenticator etc.
