OpenVPN configuration

This post is an option for openvpn configuration.

OpenVPN 2.2.1 server is running on raspberry pi listening on port 443.

Client is an Ubuntu 14.04 machine running OpenVPN 2.3.2.

The client to server connection is made through http proxy with basic authentication.

Server configuration

$ grep -vE '^#|^$|^;' /etc/openvpn/server.conf

management localhost 7505
port 443
proto tcp
dev tun
ca keys/ca.crt
cert keys/raspberrypi.crt
key keys/raspberrypi.key  # This file should be kept secret
dh keys/dh1024.pem
server 192.168.25.0 255.255.255.0
client-to-client
duplicate-cn
keepalive 30 120
comp-lzo
max-clients 5
persist-key
persist-tun
status openvpn-status.log
log-append   /var/log/openvpn/openvpn.log
verb 3
mute 5

Client configuration

$ grep -vE '^#|^$|^;' /etc/openvpn/openvpn.conf

client
dev tun
proto tcp
remote xxx.xxx.xxx.xxx 443 # server ip or domain name
nobind
comp-lzo
persist-key
persist-tun
ca homekeys/ca.crt
cert homekeys/cert.crt
key homekeys/cert.key
verb 1
http-proxy myproxy.mycompany.com 8080 proxy_credentials.txt basic
route-delay 2
log-append /var/log/openvpn/openvpn.log
keepalive 10 120