Install FTP on your Raspberry

Run update

sudo apt-get update

Install ftp

sudo apt-get install vsftpd

You get a message about disk usage enter Yes

Now open up the config file by entering the following command:

sudo nano /etc/vsftpd.conf

In here add or uncomment(Remove the #) for the following settings.

anonymous_enable=NO
local_enable=YES
write_enable=YES
local_umask=022
chroot_local_user=YES

Restart ftp server

sudo service vsftpd restart

And now you can connect with filezilla to the raspberry with SFTP (port 22)