my edgerouter TCP 443 open vpn config

openvpn edgerouter lite

openvpn vtun1 {
    firewall {
        in {
            name OVPN_IN
        }
        local {
            name OVPN_LOCAL
        }
        out {
            name OVPN_OUT
        }
    }
    local-port 443
    mode server
    openvpn-option --duplicate-cn
    openvpn-option "--user nobody --group nogroup"
    openvpn-option "--cipher AES-128-CBC"
    openvpn-option --persist-key
    openvpn-option "--push dhcp-option DNS 172.30.1.1"
    protocol tcp-passive
    server {
        push-route 10.0.1.0/24
        push-route 10.0.2.0/24
        subnet 172.30.1.0/24
        topology subnet
    }
    tls {
        ca-cert-file /config/auth/cacert.pem
        cert-file /config/auth/server.pem
        dh-file /config/auth/dhp.pem
        key-file /config/auth/server-pem.key
    }
}