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You will find below a link to the "Pfsense and OpenVPN for new users" translated in French. It is a 23 pages document that will teach you how to : 

1. download and install the pfSense IOS
2. start and configure pfSense 
3. create a basic configuration 
4. create certificate under UNIX / BSD operating system
5. create certificate for Windows users
6. modify firewalling rules
7. backup your configuration 
8. configure a VPN for remote users 
9. configure a site to site VPN  

 
Enjoy your reading.