I want to stop file creation on a folder. But allow saving a file that is already present in the same folder.
I changed permissions on the 'domain user' for the folder, by stopping inherited permissions from above, then giving it read and list. Then went to the file, and gave it modify write. Checked the 'effective perimissions', and it shows domain user having modify/write permissions. But the folder permissions seem to be the only ones that take effect.