https://github.com/drakkan/sftpgo
it can do what you ask, except I am not sure for the last one
can’t see / download files already present in the shared folder
that seems a bit complicated. Unless the solution stores user permissions per file.
https://github.com/drakkan/sftpgo
it can do what you ask, except I am not sure for the last one
can’t see / download files already present in the shared folder
that seems a bit complicated. Unless the solution stores user permissions per file.