http://qicheng0211.blog.51cto.com/3958621/1575273
vi /etc/openvpn/server.conf
local 0.0.0.0
port 1295
proto tcp
dev tun
ca /etc/openvpn/easy-rsa/keys/ca.crt
cert /etc/openvpn/easy-rsa/keys/server.crt
key /etc/openvpn/easy-rsa/keys/server.key
dh /etc/openvpn/easy-rsa/keys/dh2048.pem
tls-auth /etc/openvpn/easy-rsa/keys/ta.key 0
server 10.8.0.0 255.255.255.0
mode server
topology subnet
push "topology subnet"
ifconfig 10.8.0.1 255.255.0.0
push "route-gateway 10.8.0.1"
ifconfig-pool-persist ipp.txt
#client-config-dir /etc/openvpn/ccd
keepalive 10 120
comp-lzo
persist-key
persist-tun
status openvpn-status.log
client-to-client
duplicate-cn
log /root/openvpn.log
verb 3
linux openvpn客户端安装
http://qicheng0211.blog.51cto.com/3958621/1840055