Linux Shell Scripting Cookbook - Third Edition

Configuring OpenVPN on the server

OpenVPN includes sample configuration files that are almost ready to use. You only need to customize a few lines for your environment. The files are commonly found in /usr/share/doc/openvpn/examples/sample-config-files:

# cd /usr/share/doc/openvpn/examples/sample-config-files 
# cp server.conf.gz /etc/openvpn 
# cd /etc/openvpn 
# gunzip server.conf.gz 
# vim server.conf 

Set the local IP address to listen on. This is the IP address of the NIC attached to the network you intend to allow VPN connections through:

local 192.168.1.125 
Modify the paths to the certificates: 
 
ca /etc/openvpn/ca.crt 
cert /etc/openvpn/server.crt 
key /etc/openvpn/server.key  # This file should be kept secret 

Finally, check that the