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How to install Plesk Firewall

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Kuzma Ivanov
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Plesk for Linux kb: auxiliary ABT: Group A

Applicable to:

  • Plesk for Linux

Question

How to install the Plesk Firewall component?

Answer

Plesk for Windows Server

In Plesk for Windows Server, Plesk Firewall comes pre-installed. Plesk Firewall appears under the Security section in Tools & Settings.

 

Plesk for Linux

To install Plesk Firewall in Plesk for Linux, click on one of the following sections and follow the instructions:

Warning: On CentOS/RHEL-based distributions, first disable firewalld and install iptables:

# systemctl stop firewalld && systemctl disable firewalld && yum install iptables

 

Installing Plesk Firewall via the Plesk interface

 

  1. Log in to Plesk.

  2. In Plesk, go to Tools & Settings > Updates (Updates and Upgrades).

    Note: If Plesk Web Installer does not open, refer to the command-line instructions.


    Screenshot_2019-12-04_Tools_Settings_-_Plesk_Obsidian_18_0_21.png

  3. On the Updates and Upgrades page, click Add/Remove Components.


    Screenshot_2019-12-04_Plesk_Installer.png

  4. On the Add/Remove Components page, expand Plesk extensions and click Plesk Firewall > Install. Click Continue to begin the installation.


    Click on the picture to enlarge
    Installing Plesk Firewall.png

 

Installing Plesk Firewall via a command-line interface

 

  1. Connect to a Plesk server via SSH.

  2. Run the command:

    # plesk installer add --components psa-firewall

 

Additional Information

To learn more about managing firewall rules in Plesk, visit this KB article.

Comments

6 comments

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    Marco Marsala (Edited )

    Plesk Firewall and Fail2Ban are incompatible. Plesk Firewall will delete all Fail2Ban rules in some cases.

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    Alexandr Redikultsev

    Hi @Marco Marsala!

    That is indeed possible under some circumstances, I suggest subscribing to the following article in order to be notified when it will be fixed:

    https://support.plesk.com/hc/en-us/articles/360009975974  

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    Joss

    Bonjour, je suis sur CentOS 8 et le pare-feu de plesk n'est pas accessible, comme indiqué dans la note au début de l'article. Pouvez-vous m'indiquer comment désactiver firewalld et installer le package iptables ?
    Merci d'avance.

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  • Avatar
    Joss (Edited )

    Pour information, à la suite d'un retour du support de Plesk:
    Pour installer les packages iptables effectuer la commande suivante en SSH (root):

    # yum installeur iptables

    Le pare-feu (pare-feu) de Plesk est maintenant opérationnel.
    Ma configuration :
    Version Plesk: Plesk Obsidian v18.0.35_build1800210430.11 os_CentOS 8
    Version du système d'exploitation: CentOS Linux 8.3.2011

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  • Avatar
    Kuzma Ivanov

    Hi Joss,

    Thanks for your input!

    We've added instructions for disabling firewalld and installing iptables on CentOS 8 to the article.

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    steven k

    Once I white list the IP for connecting SSH, can I disable firewall again? Will the whitelisted IP remain?

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