I'm going to assume that you're using FTP or FTPS, since you don't really say.
There are no defaults for FTP. The problem is that the FTP protocol doesn't deal with permissions, so there are no commands for handling them nor even any rules for what the defaults are supposed to be. It's therefore up to each individual server to determine how they should be handled, which is done via SITE commands.
SFTP does have permission commands and rules, so if you were to use that protocol (which our client supports) then you'd have some options.
Having said that, I don't see why upgrading edtFTPj/PRO to a more recent version should break anything, so if it worked with the old client then it should work with the new client.