The thing is a user need to ftp his files in a particular folder. I just dont want him to mess up with other files ..
creating chroot jail (im a bit new to suse linux) might b a prob for me. On that same server i have oracle / weblogic and all..
Thats why, i want to do it a simple way..
Like for example the group "testuser" should SEE ONLY its folder.
It seems he cannot delete files not owned by him..thats fine. But he can still create new files in directories owned by root for instance.
I repeat: A lot depends on your FTP server. (What is it?) I think proftpd will let you restrict a user to one particular directory, and might even be able to arrange a chroot jail.
That would be highly secure -- as far as his login would be concerned, directories above the one he's chrooted into simply wouldn't exist. If you want to restrict him to one and only one directory and not even know others exist, chroot is what you want.
But, doing that depends on your FTP server.
Being able to create files in directories owned by root is normal if the directory is world-writable or he belongs to a group which is allowed to write to it. WARNING -- if he is able to create files in a directory, he may be able to delete files owned by anyone there as well! This is because file deletion is controlled by directory write permissions, not file ownership. (There are some obscure options in some filesystems to change this behavior.) An example in my home directory:
Make sure he doesn't belong to any groups he doesn't need to belong to.
Last edited by Corona688; 08-09-2010 at 01:37 PM..
Need your support
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