How To restrict ftp user in /var/www/html folder only not to

Hello Team,

Hope you all are doing fine.

Team I want to strict ftp user only for /var/www/html directory not to other’s.
Pleas share your valuable suggestion for that.
I have checked lots of Blogs, Forums etc but not succeeded. I can create ftp user but user can go in any directory excluding root …
Please give me answer

Not Asterisk related. Check the documentation for your ftp server.