Lock FTP Connection to $USER/public_html

Is there a way to lock the FTP-User to connect to the public_html folder?

I try it in Limits and Validation -> FTP Directory Restrictions

Then clicked on Other directory and typed -> $(USER)/public_html

Error Message: Failed to save FTP directory restrictions : Missing or invalid directory in row 1

The simplest way to do that would be to create FTP Access users, whose home directory would be in $HOME/public_html.

Then, in the Limits and Validation, set it to limit all FTP users to their home directories.

-Eric

It would be more easier if you can set the path $HOME/public_html under the Limits and Validation configuration.

Thanks for reply.