vpngen/vpngen/default/clients/client.conf

# Client
client
dev tun
proto tcp-client
remote ${hostname} ${port}
resolv-retry infinite
cipher AES-256-CBC

# Keys
ca ca-${name}.crt
cert ${client}-${name}.crt
key ${client}-${name}.key
tls-auth ta-${name}.key 1
key-direction 1

# Security
nobind
persist-key
persist-tun
comp-lzo
verb 3