This might be helpful.  Basically you create a mini environment for the user, then on login the user is restricted to only that environment in terms of scope (they don't 'see' the rest of the server's filesystems).

http://www.thegeekstuff.com/2012/03/chroot-sftp-setup/


On Wed, Apr 30, 2014 at 4:19 PM, Amit Nepal <amit@amitnepal.com> wrote:
A while back, I had done this to restrict to a particular directory , but it may not be ideal for you as you already have some parent directories, but you can give a try :

http://www.amitnepal.com/chrooting-users-with-sftp/

Or ,  you may be able to mount that directory somewhere else and give access like this :
http://www.amitnepal.com/ftp-access-to-files-outside-base-directory/

Just look at this part :

mkdir /home/username/extraaccess

mount --bind /folder/to/grant/access/ /home/username/extraaccess


Thanks
Amit K Nepal
Chief Information Officer
(RHCE, CCENT, C|EH, C|HFI, GIAC ISO 27000 Specialist)
omNovia Technologies Inc.
On 4/30/2014 3:54 PM, keith smith wrote:

Hi I'm using CentOS 6.5 and we use the users home dir + "public_html" as the docroot for our websites like this:

/home/user_name/public_html

We are using SSH for SFTP.  Each host has only one SFTP user.

What I need to do is add a directory, lets call it uploads like this: 

/home/user_name/public_html/uploads

Any content in uploads must be accessible to Apache so it can be displayed.

And I would like to add a user that can only access
/home/user_name/public_html/uploads and would be able to add/edit/remove any files in just the uploads directory.

I thought of a link, however that did not work.  I created a user uploads which created a home dir /home/uploads and I tried to link that to /home/user_name/public_html/ which created
/home/user_name/public_html/uploads .  This did not work.

I hope this makes sense. 

Any suggestions?

Thanks in advance!!
 
Keith




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Ben

python -c "exec(\"import math\\nprint ''.join(map(lambda x: chr(x), ( (ord('a')-(3*5)), int(math.sqrt(math.pi*76)*5+2), int(math.ceil(math.e)*28), int(math.floor(math.e)*35), long(abs(4%3*35+3)*2))))\")"