client
dev tun
proto tcp     #改为tcp
remote 47.112.106.146 1194    #OpenVPN服务器的外网IP和端口，ip和域名都行
resolv-retry infinite
nobind
persist-key
persist-tun
ca ca.crt
cert sd39.crt     #client1的证书
key sd39.key        #client1的密钥
comp-lzo
verb 3
auth-user-pass pass.txt
askpass /etc/openvpn/jdoe.pass