I'm using ProFTPD 1.3.1 Server on Linux. Currently when you upload files via FTP the files have the permissions mode of 664. I would like to change this to default files to 775 instead.
The aim is to allow users that are in the same group as the group that owns the file(s) to be able to edit and replace them.
By default (664), only the original user can edit and replace the file.