client
dev tun
proto tcp
remote A Part
resolv-retry infinite
nobind
persist-key
persist-tun
cipher AES-256-CBC
comp-lzo
verb 3
auth-user-pass
-----BEGIN CERTIFICATE-----
B Part
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
C Part
-----END CERTIFICATE-----
-----BEGIN PRIVATE KEY-----
D Part
-----END PRIVATE KEY-----