Practical procedure and troubleshooting notes for Configure a Remote Access VPN on PFsense.

1. Log in to pfSense.
2. Click on VPN.
   
3. Select OpenVPN.
   
4. Click on Wizards.
   
5. Leave the default options selected and click Next.
   
6. Create a New Certificate Authority (CA) by filling out the required information.
   
7. Click Next, then create a New Server Certificate by completing the form.
   
8. Click Next, then configure the VPN Server General Settings:
   • Interface: Typically WAN
   • Protocol: UDP on IPv4 only
   • Tunnel Network: The network used for VPN clients (e.g., 10.8.0.0/24)
   • Local Network: Your internal network accessible through the VPN (e.g., 192.168.1.0/24)
   • Concurrent Connections: The maximum number of simultaneous clients
   • DNS Servers: (optional) Specify DNS servers for clients
     
9. Click Next, then on the Firewall Rule Configuration page, ensure both checkboxes are selected for:
   • Firewall Rule
   • OpenVPN Rule
     
10. Click Next to finish the setup wizard.
    
11. Once the wizard completes, click Edit next to the VPN server you just created.
    
12. Under Server Mode, select Remote Access (User Auth).
    
13. Scroll down and click Save.
    
14. Click on System.
    
15. Select User Manager.
    
16. Click Add to create a new user.
    
17. Fill out the user information (username, password, and optionally certificate association).
    
18. Scroll down and click Save.