Mikrotik Openvpn Config Generator – Editor's Choice

/ip pool add name=ovpn-pool ranges= pool_range /ppp profile add name=ovpn-profile local-address= vpn_gateway remote-address=ovpn-pool dns-server=8.8.8.8

A generator gets you 80% of the way. You need the final 20% for security. mikrotik openvpn config generator

def generate_mikrotik_ovpn(server_ip, port, proto, username, password):
    config = f"""
# MikroTik RouterOS OpenVPN Client Config
client
dev tun
proto proto
remote server_ip port
resolv-retry infinite
nobind
persist-key
persist-tun
remote-cert-tls server
auth SHA256
cipher AES-256-CBC
verb 3
# Critical for RouterOS
auth-user-pass" " + username + " " + password if username else ""
tls-auth ta.key 1
# Include certificates inline
<ca>
load_file("ca.crt")
</ca>
<cert>
load_file("client.crt")
</cert>
<key>
load_file("client.key")
</key>
key-direction 1
"""
    return config

If your generator supports it, add tls-auth. This prevents DoS attacks and unauthorized probe packets. You must generate a ta.key and reference it both on the MikroTik (tls-auth=yes under ovpn-server) and in the client OVPN file (tls-auth ta.key 1). /ip pool add name=ovpn-pool ranges= pool_range /ppp profile

/ip firewall filter add chain=input protocol=udp dst-port=1194 place-before=0 comment="OVPN_IN" /ip firewall nat add chain=srcnat out-interface-list=WAN src-address= vpn_subnet action=masquerade comment="OVPN_NAT" If your generator supports it, add tls-auth

Date: October 26, 2023 Subject: Automation of OVPN Server/Client deployment on RouterOS Target Audience: Network Engineers, System Administrators, MSPs

/ip firewall nat add chain=srcnat src-address=10.12.12.0/24 action=masquerade