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I need to able to hide a directory that is already created. More importantly when an ftp user logs in I want them to not be able to see a certian directory. It already has root permissions, any ideas?

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Last Post by knalb
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Hello,

Inside of linux, you can make a hidden directory by placing a period in front of it, such as /home/testuser/.hiddendir The directory will not show up with a casual dir or ls command, but it will show up with a ls -al or ls -a command. It does nothing to prevent someone from getting into the directory either.

We also need some clarification concerning your FTP process. You can already restrict a FTP user to a certain directory tree, just by editing where they can go within the FTP server, and the /etc/passwd files which control the scope of the user. What are you specifically trying to do? What is your OS of choice?

Thanks,

Christian

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If the user is not in the appropriate group, or if they're not the owner of the folder, they fall in the "Other" category. If you place a period in front, like Christian mentioned, you'll hide it. If you simply remove the read priviledge from the other group, that would do it. That way, they couldn't get a listing of the directory

For instance, if you wanted the group and the owner associated with read/write privs, but didn't want non-group members to read it, you could do chmod 660 foldername

Of course, if you really don't want people to access it, put it in a place they can't get to. If you've got an FTP root directory, put that folder in a directory that the unauthorized user has no access to.

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also, most decent ftp daemons allow you to deny access to dot files, and directories.. so if its 'hidden' they can't get at it...

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