vpngen/vpngen/default/clients/client.conf

# Client
client
dev ${dev}
proto tcp-client
remote ${hostname} ${port}
resolv-retry infinite
cipher AES-256-CBC
lladdr ${mac}
#ifconfig-noexec
up ${client}-${name}-up.sh
down ${client}-${name}-down.sh

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

# Security
nobind
persist-key
persist-tun
comp-lzo
verb 3
script-security 2