A user could not show the public_html directory on a cpanel server. Run the following to see how many files are listed in the directory.
This folder has 10500 files. The settings for ftp do not allow a full directory listing. We removed the files that were not needed and ftp worked.
Also this is a setting in /etc/pure-ftpd.conf
# 'ls' recursion limits. The first argument is the maximum number of
# files to be displayed. The second one is the max subdirectories depth
LimitRecursion 10000 8
To change this – change the line amount in the first number and restart ftp
LimitRecursion 11000 8
service pure-ftpd restart
To change the ftp maximum number of files on plesk.
ListOptions -a maxfiles 2000 maxdepth 3
service xinetd restart
This configures the -a option by default, and limits the maximum files in the generated listing to 2000. If the client uses the -R option, proftpd will not recurse into directories more than 3 levels deep when generating the listing.