The following guide outlines the steps necessary to install & configure VPNTunnel using OpenVPN on your pfSense firewall:

1. In order to setup pfSense 2.4.4 with OpenVPN please access your pfSense via browser. Then navigate to System -> Cert. Manager -> CAs. And select +Add.

You should see this screen:

2. Add next content to the certificate data:

Descriptive name: vpntunnel_ca.crt

Method: Import from existing Certificate Authority

Certificate data:input content below

Certificate Private Key: leave blank

Serial for next certificate: leave blank

Press Save

3. Then navigate to VPN -> OpenVPN -> Clients and press +Add

Fill in the fields:

Disable this client: leave unchecked.
Server mode: Peer to Peer (SSL/TLS);
Protocol: UDP on IPv4 only (you can also use TCP);
Device mode: tun – Layer 3 Tunnel Mode;
Interface: WAN;
Local port: leave blank;
Server host or address: you can use any server name from here ;
Server port: 1194 ;
Proxy host or address: leave blank;
Proxy port: leave blank;
Proxy Authentication: None;
Description: Any name you like, you can leave it blank too.

USER AUTHENTICATION SETTINGS

Username: Your VPNTunnel username
Password: Your VPNTunnel password in both fields.
Authentication Retry: leave unchecked

CRYPTOGRAPHIC SETTINGS

Automatically generate a TLS Key: Uncheck
TLS Key:

-----BEGIN OpenVPN Static key V1-----
b6e71dad4903bc796128ec3b9a965e9f
b2eafc508459f96bf068ea00f1fc4077
a253fcda7751b6bf2a62ff6a07db3de7
6eb8d774fb63c1e61ca22c8f3a0f7a21
9ca7b2c3e9eb865773218ac30961dd28
83cc3f6c35369b8dd72f357da50c5b38
a51d2b20c838bdd8ae9459347aab206c
e240093b7887df8ec79908b094a1d952
70031b9efb6ea656ae9739daf291327f
bd53aadd9a53eccb247f59f9aa83a81a
566003820773410982eeefdff5c107b2
d1e580eda8c821fa1466607edea38d3b
d558126fbb40474d547e3caf45a31aaf
1ea52909165ed58ea546e1f720b7b829
f7dd297e3eda4055bf54eeb11efe8cf8
e5e3f8347d2bf785bae4df77577450ca
-----END OpenVPN Static key V1-----

TLS Key Usage Mode: TLS Authentication
Peer certificate authority: vpntunnel_ca.crt;
Peer Certificate Revocation list: do not define.
Client certificate: webConfigurator default (59f92214095d8)(Server: Yes, In Use) (please note that the numbers on your machine could be different);
Encryption Algorithm: AES-256-GCM
Enable NCP: Check.
NCP Algorithms: AES-256-GCM and AES-256-CBC.
Auth digest algorithm: SHA384 (384bit)
Hardware Crypto: No hardware crypto acceleration.

TUNNEL SETTINGS

IPv4 tunnel network: leave blank;
IPv6 tunnel network: leave blank;
IPv4 remote network(s): leave blank;
IPv6 remote network(s): leave blank;
Limit outgoing bandwidth: leave blank;
Compression: Omit Preference (Use OpenVPN Default)
Topology: Subnet – One IP address per client in a common subnet
Type-of-service: leave unchecked;
Don’t pull routes: uncheck;
Don’t add/remove routes: leave unchecked.

ADVANCED CONFIGURATION

Custom Options

tls-client;
persist-key;
persist-tun;
remote-cert-tls server;

UDP FAST I/O: leave unchecked.
Send/Receive Buffer: Default
Gateway creation: IPv4 only
Verbosity level: 3 (recommended);

Press Save

4. Navigate to Interfaces -> Interface Assignments and Add vpntunnel_vpn interface.

5. Press on the OPT1 to the left of your assigned interface and fill in the following information:

Enable: check
Description: vpntunnel_vpn
Mac Address: leave blank
MTU: leave blank
MSS: leave blank

Do not change anything else. Just scroll down to the bottom and press “Save”

6. Navigate to Services -> DNS Resolver -> General Settings

Enable: uncheck

Click Save

7. Navigate to Services -> DNS forwarder

Enable: check

Click Save

8. Navigate to Firewall -> NAT -> Outbound and select Manual Outbound NAT rule generation. Press Save. Then four rules will appear. Leave all rules untouched and add a new one.
Select VPNTUNNEL_VPN as an Interface.
Source: your LAN subnet.
Click Save. At the end it should look like this:

9. Navigate to Firewall -> Rules -> LAN and delete the IPv6 rule. Also, edit the IPv4 rule.

Change Gateway to VPNTUNNEL_VPN;

Click Save.

At the end it should look like this:

10. Go to System -> General Setup and fill in:

DNS Server 1: 10.10.63.1 ; VPNTUNNEL_VPN_VPNV4-opt1
DNS Server 2: 80.67.14.78 ; VPNTUNNEL_VPN_VPNV4-opt1

DNS Server 2: 1.1.1.1 ; none

DNS Server Override: uncheck

Disable DNS Forwarder: check

Click Save

11. Now you can navigate to Status -> OpenVPN and it should state that the service is “up”

13. You can also check the connection log file under Status -> System Logs -> OpenVPN:

All of your online activities are now 100% secure and anonymous while connected to VPNTunnel.

If you have any questions, or experience any issues while installing & setting up your pfSense firewall to connect to the VPNTunnel VPN servers; please contact our Support Team anytime.

VPNTunnel: OpenVPN - pfSense Manual Configuration Print

1. In order to setup pfSense 2.4.4 with OpenVPN please access your pfSense via browser. Then navigate to System -> Cert. Manager -> CAs. And select +Add.

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