Ultimate Guide: Mikrotik OpenVPN Config Generator & Setup (2026)
Note: It is best practice to use TCP for OpenVPN on MikroTik, although UDP is supported in later RouterOS versions. Step 4: Export the Client Configuration
import os def generate_ovpn(client_name, remote_host, remote_port="1194"): # File paths for exported MikroTik certs ca_path = "cert_export_ca-root.crt" cert_path = f"cert_export_client_name.crt" key_path = f"cert_export_client_name.key" if not (os.path.exists(ca_path) and os.path.exists(cert_path) and os.path.exists(key_path)): print("Error: Missing certificate files. Check your paths.") return # Read certificate contents with open(ca_path, 'r') as ca, open(cert_path, 'r') as cert, open(key_path, 'r') as key: ca_data = ca.read() cert_data = cert.read() key_data = key.read() # Base configuration template config_template = f"""client dev tun proto udp remote remote_host remote_port resolv-retry infinite nobind persist-key persist-tun remote-cert-tls server auth-user-pass cipher AES-256-CBC auth SHA256 ca_data.strip() cert_data.strip() key_data.strip() """ output_filename = f"client_name.ovpn" with open(output_filename, 'w') as output_file: output_file.write(config_template) print(f"Success: Config generated as 'output_filename'") # Example Usage generate_ovpn("client1", "://yourdomain.com") Use code with caution. Troubleshooting MikroTik OpenVPN Quirks mikrotik openvpn config generator
To populate your config generator, export the CA, client certificate, and private key from the router.
Ensure the client has the CA certificate, and the server certificate is correctly signed and trusted. Ultimate Guide: Mikrotik OpenVPN Config Generator & Setup
If your generated configuration fails to establish a handshake, audit these three common problem areas:
: MikroTik OpenVPN requires an active username and password in the PPP database, even if you use certificate authentication. add this to the firewall:
. Instead of spending 20 minutes manually configuring each router, a generator reduces the task to seconds, ensuring that every deployment is identical and secure. While MikroTik continues to evolve (with recent versions finally adding UDP support for OpenVPN), the use of external config generators remains the gold standard for those who value efficiency without sacrificing the granular control MikroTik is known for. sample script
“One misplaced ‘add action=accept chain=input…’ and the whole thing collapses,” he muttered.
./mikrotik-ovpn-gen \ --mode ip \ --public-ip vpn.example.com \ --port 1194 \ --proto udp \ --client-subnet 10.10.20.0/24 \ --route-lan 192.168.88.0/24 \ --user roadwarrior \ --dns 1.1.1.1 \ --out mikrotik-script.rsc \ --client-config client.ovpn
If your remote employees have static WAN IPs, add this to the firewall: