Mask that controls which file permissions are set for files and directories when they are created. It also refers to a function that sets the mask, and to the mask itself, which is formally known as the file mode creation mask.

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3
votes
2answers
7k views

How can I have a separate umask for directory or user?

I want a separate umask for a directory or a user. How can I do this? Edit: I am using Debian 6. The reason why I want to do this is, I want all my SFTP users to create files with write on group. ...
3
votes
2answers
4k views

How to make scp respect umask

My scp doesn't respect umask setting of the user it's sending files to. Is there a setting somewhere or should I use a different solution?
52
votes
3answers
65k views

Make all new files in a directory accessible to a group

Suppose I have two users A and B and a group G and a folder foo, both users are members of G (using linux and ext3). If I save as user A a file under foo, the permissions are: -rw-r--r-- A A. ...
10
votes
3answers
904 views

Why are files in my home dir being created as world-writable despite a more-restrictive umask?

I've realized that the permissions for new files and directories behave a bit strangely. First of all, umask seems to return the right answer: $ umask 0002 This means full access for my user and ...
3
votes
1answer
715 views

How to have correct permissions of files from usb disks?

Does anyone have the following problem? I have an Ubuntu box at work and also one at home. I always copy folders/files to/from an usb disk to/from my boxes. I have to change permissions of ...
8
votes
4answers
4k views

Downsides of umask 077?

What are the cons, for having a restrictive umask of 077? A lot of distros (I believe all, except Red Hat? ) have a default umask of 022, configured in /etc/profile. This seems way too insecure for a ...