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After You Install Magento: Recommended File System Ownership and Privileges

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Table of Contents

Overview

In a continuing effort to improve security and ease of use, Magento is updating its recommendations for file system permissions and ownership for the following Magento editions:

This article discusses recommended permission and ownership schemes to apply after you install Magento.

The guidelines discussed in this article apply to:

This article discusses the following permission and ownership schemes:

importantImportant: This topic contains suggestions based on our experience. They are not requirements because we don't know the details of your deployment. Consult your hosting provider, a qualified security specialist, or an experienced system administrator for advice about specific security settings.

Terminology

This article uses the following terminology:

Hosted system
A Magento server located on a hosting provider. A hosted system typically does not enable you to elevate to root. The web server typically runs as an ordinary user. Magento assumes you log in as this user to start and stop the web server and that you already own all the files and directories in the Magento installation directory. You can use chmod to change permissions on files and directories.
Dedicated system
A Magento server you control and operate. Unlike a hosted system, you can elevate to root and, as root, you can use the chown and chmod commands to set ownership and privileges in the Magento installation directory.

Setting Privileges and Ownership After You Install Magento

If you have installed Magento, you can set file system privileges and ownership as follows:

noteNote: In both hosted and dedicated systems, you set the privileges for the media/ and var/ directories at 700/600 because they must be writable.

Following is an explanation of the privileges:

noteNote: On a dedicated system, all commands discussed in this article must be entered as a user with root privileges. On a hosted system, commands must be entered as the web server user.

To set up ownership and permissions on a dedicated Magento server:

  1. Dedicated Magento server only. As a user with root privileges, find the web server user:
    • Apache:
      • Ubuntu: grep User /etc/apache2/apache2.conf
      • CentOS: grep User /etc/httpd/conf/httpd.conf
        noteNote: The preceding paths are samples only. The paths to these .conf files on your system might be different. You can use the command whereis nginx to find the location of the configuration files.
      Typically, the Apache web server user on CentOS is apache and the Apache web server user on Ubuntu is www-data.
    • nginx: Open the nginx configuration file, typically /etc/nginx/nginx.conf. The user directive specifies the username. It might run as the Apache user if Apache is installed on the same system.
  2. Change to the Magento installation directory.
    On CentOS, this is typically /var/www/html/magento. On Ubuntu, it is typically /var/www/magento.
  3. Dedicated Magento server only. As a user with root privileges, enter the following command to set ownership of the Magento installation directory and all its subdirectories:
    chown -R web-server-user-name .
    For example, on Ubuntu where Apache usually runs as www-data, enter
    chown -R www-data .
  4. Enter the following commands to set permissions:
    find . -type f -exec chmod 400 {} +
    find . -type d -exec chmod 500 {} +
    find var/ -type f -exec chmod 600 {} +
    find media/ -type f -exec chmod 600 {} +
    find var/ -type d -exec chmod 700 {} +
    find media/ -type d -exec chmod 700 {} +
    chmod 700 includes
    chmod 600 includes/config.php

Securing Magento Extensions

If you set permissions and ownership as discussed in this article, you must change permissions temporarily to be able to use the Magento Connect Manager in the Admin Panel. (System > Magento Connect > Magento Connect Manager). You can still install extensions manually, however; that is beyond the scope of this article.

You can confirm the issue when you access Magento Connect Manager in the Admin Panel. The following error displays on the Extensions tab page:

Warning: Your Magento folder does not have sufficient write permissions.

To use Magento Connect Manager, you must:

  1. Temporarily set 700/600 permissions on your Magento installation directory and subdirectories.
  2. Install the extension.
    Magento Connect Manager typically installs extensions with 777 (world-writable) permissions.
  3. Set permissions back to their recommended values.

In addition, if you have a dedicated Magento server, you should check ownership of files and directories and reset them if necessary. Often, Magento Connect Manager installs extensions with user and group ownership both set to the web server user.

Temporarily Resetting Permissions on Your Magento Installation Directory

To temporarily set file and directory permissions so you can use Magento Connect Manager:

  1. Change to the Magento installation directory.
    On CentOS, this is typically /var/www/html/magento. On Ubuntu, it is typically /var/www/magento.
  2. Enter the following commands:
    find . -type d -exec chmod 700 {} +
    find . -type f -exec chmod 600 {} +
  3. Install your extension using the Magento Connect Manager.

Restoring the Recommended Permissions

Enter the commands discussed in this section to return permissions and ownership to their recommended values after you have installed extensions.

To restore Magento installation directory permissions:

  1. Change to the Magento installation directory.
    On CentOS, this is typically /var/www/html/magento. On Ubuntu, it is typically /var/www/magento.
  2. Dedicated Magento server only. As a user with root privileges, enter the following command to set ownership of the Magento installation directory and all its subdirectories:
    chown -R web-server-user-name .
    For example, on Ubuntu where Apache usually runs as www-data, enter
    chown -R www-data .
  3. Enter the following commands to set permissions:
    find . -type f -exec chmod 400 {} +
    find . -type d -exec chmod 500 {} +
    find var/ -type f -exec chmod 600 {} +
    find media/ -type f -exec chmod 600 {} +
    find var/ -type d -exec chmod 700 {} +
    find media/ -type d -exec chmod 700 {} +

Applying Magento Support Patches

Magento Support typically provides a shell script to patch various Magento issues. When you run the shell script, file and directory permissions are typically not changed; however, the files provided with the patch are owned by the user who applied the patch. If you have a dedicated Magento server, this is typically root; therefore, after applying the patch, you must change file ownership.

If you are required to apply a patch provided by Magento Support, use the following process:

  1. Get the patch from Magento Support.
  2. Follow the instructions provided with the patch.
    Typically, you run a shell script as either a user with root privileges or as the owner of the Magento installation directory.
  3. If you ran the patch as the owner of the Magento installation directory, you're done. File permissions aren't usually changed; however, you should check and reapply file and directory privileges if necessary.
  4. If you ran the patch as a user with root privileges, use the following steps to reset file ownership:
  5. Dedicated Magento server only. Find the web server user:
    • Apache:
      • Ubuntu: grep User /etc/apache2/apache2.conf
      • CentOS: grep User /etc/httpd/conf/httpd.conf
      Typically, the Apache web server user on CentOS is apache and the Apache web server user on Ubuntu is www-data.
    • nginx: Open the nginx configuration file, typically /etc/nginx/nginx.conf. The user directive specifies the username. It might run as the Apache user if Apache is installed on the same system.
  6. As a user with root privileges, enter the following command from the Magento installation directory:
    chown -R web-server-user-name . For example, on Ubuntu where Apache usually runs as www-data, enter chown -R www-data .

For More Information

For more information about UNIX permissions, see the following resources: