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How To Set Up vsftpd on Ubuntu 12.04

The first two letters of vsftpd stand for "very secure" and the program was built to have strongest protection against possible FTP vulnerabilities.

Step One—Install vsftpd


You can quickly install vsftpd on your virtual private server in the command line:
sudo apt-get install vsftpd

Once the file finishes downloading, the VSFTP will be on your server instance. Generally speaking, it is already configured with a reasonable amount of security. However, it does provide access on your server to anonymous users.

Step Two—Configure vsftpd


Once vsftpd is installed, you can adjust the configuration.

Open up the configuration file:
sudo nano /etc/vsftpd.conf

The biggest change you need to make is to switch the Anonymous_enable from YES to NO:
anonymous_enable=NO

Prior to this change, vsftpd allowed anonymous, unidentified users to access the server's files. This is useful if you are seeking to distribute information widely, but may be considered a serious security issue in most other cases.

After that, uncomment the local_enable option, changing it to yes and, additionally, allow the user to write to the directory.
local_enable=YES

write_enable=YES

Finish up by uncommenting command to chroot_local_user. When this line is set to Yes, all the local users will be jailed within their chroot and will be denied access to any other part of the server.
chroot_local_user=YES

Save and Exit that file. Because of a recent vsftpd upgrade, vsftpd is "refusing to run with writable root inside chroot". A handy way to address this issue to is to take the following steps:

  1. Create a new directory within the user's home directory
  2. mkdir /home/username/files

  3. Change the ownership of that file to root
  4. chown root:root /home/username

  5. Make all necessary changes within the "files" subdirectory

Then, as always, restart:
 sudo service vsftpd restart

Step Three—Access the FTP server


Once you have installed the FTP server and configured it to your liking, you can now access it.

You can reach an FTP server in the browser by typing the domain name into the address bar and logging in with the appropriate ID. Keep in mind, you will only be able to access the user's home directory.
ftp://example.com

Alternatively, you can reach the FTP server on your virtual server through the command line by typing:
 ftp example.com

Then you can use the word, "exit," to get out of the FTP shell.
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