Serwer:

dev tun
tun-mtu 1500
user nobody
group nogroup
comp-lzo
proto tcp
port 23
persist-tun
persist-key
keepalive 10 120
ca /etc/openvpn/certs/cacert.pem
key /etc/openvpn/certs/klucz.pem
cert /etc/openvpn/certs/certyfikat.pem
dh /etc/openvpn/certs/dh1024.pem
mode server
server 172.16.9.0 255.255.255.0
client-cert-not-required
username-as-common-name
plugin /usr/lib/openvpn/openvpn-auth-pam.so login
push "route 172.16.10.0 255.255.255.0"
log-append /var/log/openvpn.log

Klient:

client
dev tun
proto tcp
remote X.X.X.X 23
persist-key
persist-tun
comp-lzo
verb 3
ca cacert.crt
auth-user-pass
pull