apt update
apt install proftpd

/etc/proftpd/proftpd.conf

     <Directory /home/toto>
       <Limit WRITE READ>
         AllowALL
       </Limit>
       <Limit ALL>
         AllowALL
       </Limit>
     </Directory>

   mkdir -p /home/toto
   chown toto:toto /home/toto
   chmod 755 /home/toto

systemctl restart proftpd