French ISP provides free website hosting.To enjoy this service, you must be in France to connect to FTP server ftpperso.free.fr.

If you are not in France, find a proxy located in France :
https://hidester.com/fr/listeproxy/

Then in FileZilla, go to Edit >> Settings >> Connection >> FTP >> Generic proxy. Then configure. You might need to test different proxy...

Besides that :

1. create specific ".htaccess" file to activate PHP5.
2. create folder "sessions" in root folder to be able to use sessions.