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I want to make a webserver with multiple users allowed to login through SFTP to a specific folder, www.

Multiple users are added, lets say user1 and user2, and all of them belonging to the www-data group. The www directory has an owner www-data and a group www-data.

I have used chmod -R 775 on the www folder, but after I try to create a folder test through my SFTP server (using Filezilla) the group of the directory created has only r and x permissions, and I am not able to log in with the second user user2 and create a directory within www/test due to a lack of w permission to the group.

I also tried using chmod 2775 on www directory, but without luck.

Can somebody explain to me, how can I make it so that a newly created directory inherits the root directory group permissions?

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puts a sticky on the group permission g+s – user81353 May 15 '11 at 11:39
Whats does "puts a sticky on the group permission g+s" mean? (I imagine it is the sticky bit). Also, if this is an answer, you should submit it as one. – slotishtype Jul 18 '11 at 8:55

Also you can specify different default umask for your SSH server. By default it is 022. You should set it to 002

Here is good explanation how to do it.

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I had a very similar problem. I had a ftp server and created a directory-structure. Loggin in via ftp worked for my desired users. But I created that directory-structure with root and so the child-folders belonged to root. That's why users didn't get permissions in that folders (only read).

Check that your folders belong to the right group/user.

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