How to set the default ftp root folder for an Ubuntu user connecting to VSFTPD

ftprootuser-default

How do I set/change the default ftp root folder for a specific user? I want to be able to create a developer account that homes to different sites on a development box depending on what is currently being worked on.

EDIT: The server is running Ubuntu and vsftpd.

Best Answer

If you specify the user_config_dir in vsftpd.conf, you can set any config option on a per-user basis.

From man vsftpd.conf:

This powerful option allows the override of any config option specified in the manual page, on a per-user basis. Usage is simple, and is best illustrated with an example. If you set user_config_dir to be /etc/vsftpd_user_conf and then log on as the user "chris", then vsftpd will apply the settings in the file /etc/vsftpd_user_conf/chris for the duration of the session.

So, setting local_root in this way to the desired directory changes the FTP root for just that user.

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It's quite simple.

You have to add the following option on the vsftpd.conf file

chroot_local_user=YES

The documentation inside the configuration file is self-explanatory:

# You may specify an explicit list of local users to chroot() to their home
# directory. If chroot_local_user is YES, then this list becomes a list of
# users to NOT chroot().

This means, that the user will just have access on the folder you configured as HOME of the user.Below, i have an example of a user passwd entry:

upload_ftp:x:1001:1001::/var/www/sites/:/bin/bash

Set the home directory of the user with the following command

usermod -d /var/www/my.domain.example/ exampleuser

Note: In my example, this user is also a valid user for some scheduled tasks inside Linux. If you don't have this need, please change the shell of the user to /sbin/nologin instead of bash.

Best Answer

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