How to change default file permissions for the FTP service

[vfranklin]

I am trying to setup our ftp server such that anyone who belongs to a particular group can modify anything anyone else in that group has saved to the ftp share. By default, it looks like anything uploaded to our ftp share has the permissions -rw-r–r–, this makes it impossible others in the same group to modify files. I would like to set the default permissions on the server to -rw-rw-r–, but can’t seem to get it to work. I am running 10.4.11 Server and using the OS X Server FTP service.

I have tried using 2 different techniques, neither of which worked.

First Technique – from Apples support site

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Article 301328 of Apple’s support page:

Mac OS X Server 10.2 and later: How to change default file permissions for the FTP service

When you upload a file over FTP, the resulting file includes the default UNIX permissions as if you created the file on your desktop. In a group work environment, this can prevent others from modifying the file. If you want to implement more useful permissions, edit the server’s “ftpaccess” configuration file.

1. Open the file /Library/FTPServer/Configuration/ftpaccess in a text editor. (See “How to Locate and Edit Configuration Files” for more information.)
2. Type the following line at the end of the file:

defumask -uMask-

Where umask is an actual umask value, such as 002 (see “About umask values,” below).
3. Save the file.
4. Restart the FTP service.

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I set my umask to “002” But this did not work.

I found the second technique somewhere on the web… it is supposed to set the default mask:

Here is the procedure:

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launchctl unload /System/Library/LaunchDaemons/ftp.plist

edit /System/Library/LaunchDaemons/ftp.plist and add a new ProgramArgument:

This:

ProgramArguments

xftpd
-a

becomes:

ProgramArguments

xftpd
-a
-u0002

and then to complete the change:

launchctl load /System/Library/LaunchDaemons/ftp.plist

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None of the above works. Can anyone shed some light on this?

Any help is greatly appreciated.

[byrd62au]

Apples FTP server is a dog. Use Crush FTP. It’s $30 for 100 user and it rocks. The documentation and support is as good as it gets and it’s a breeze to setup the kind of thing you want to. crushftp.com

[Author]

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