Article ID: 114620, created on Aug 21, 2012, last review on Sep 30, 2016

  • Applies to:
  • Plesk


Are there any tips for keeping Plesk secure?


General rule to secure Plesk is make sure the latest updates are installed. Also you can check more useful topics bellow.

  1. First, make sure you go through the list provided in the following articles and documentation:

    • 391 Which ports need to be opened for all Plesk services to work with a firewall?
    • 120772 Configure Passive FTP port range on Windows Server
    • 1240 Configure Passive FTP port range on Linux Server
    • Plesk Administrator's Guide Protection Against Brute Force Attacks (Fail2Ban)
    • Plesk Administrator's Guide Web Application Firewall (ModSecurity)
  2. Do not forget to check the Securing Plesk section of the Administrator's guide. Topics covered in this section include the following:

    • Restricting Administrative Access
    • Setting Up the Minimum Password Strength
    • Enhanced Security Mode
    • Using Secure FTP
    • SSL protection
  3. Linux users may also check the advanced documentation pages related to Plesk for Linux security: Enhancing Security. This documentation covers the following topics:

    • Restricting script execution in the /tmp directory
    • Configuring site isolation settings
    • Protecting users from running tasks on behalf of root
  4. If you are dealing with credit cards, this document is worth reading:

    Meeting PCI DSS Requirements for Plesk 12 Suite

  5. It is recommended to be aware of these issues:

    • 9689 FTP users have access to root directory on server
    • 11239 SLAAC Attack - 0day Windows Network Interception Configuration Vulnerability
    • 112171 Apache HTTP Server CVE-2011-3192 Denial Of Service Vulnerability
    • 113321 Remote vulnerability in Plesk (CVE-2012-1557)
    • 114625 Plesk accepts both old and new admin passwords when integrated to CBM
    • 115942 Public issues VU#310500, CVE-2013-0132, CVE-2013-0133
  6. These articles may also be useful in certain scenarios:

    • 1323 How can I run Rootkit Hunter with the update option?
    • 1357 [Security] Defending against a SYN-Flood (DOS) Attack
    • 1763 [Info] How to ensure that Apache does not allow the SSL 2.0/SSL 3.0 protocol
    • 7027 [How to] RKHunter warning improvement
    • 8119 How to prevent your Plesk from brute-force attacks
    • 112156 How to set up a file audit on Windows server

TIP: Feel free to subscribe to updates to this article in order to keep track of new security issues.

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