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VPS & Dedicated Hosting: Disable SSLV3


This article will explain how to disable SSLv3 on a VPS or Dedicated server. This can help you avoid issues with vulnerabilities in SSLv3.

What you need

To begin, you will need to be able to login into your WHM. If you haven't done this before, please see How to login in to WHM.

Note: If this is your first time logging into the WHM, you may see a page titled Feature Showcase. Click on Exit to WHM at the bottom of the page.

Once logged in, you will need to open the Apache settings.

Open the Apache settings

  1. Type Apache in the search bar at the top left of the WHM.
  2. In the search results, click on Apache Configuration.
    WHM Apache Configuration

Change the SSL Cipher and Protocol settings

  1. On the Apache Configuration page, click on Global Configuration.
    WHM Global Configuration
  2. The first option should be SSL Cipher Suite. Select the 2nd option, then copy this text into the box:
    WHM Global Configuration
  3. Under SSL/TLS Protocols, ensure the default setting, All -SSLv2 -SSLv3, is selected.
    WHM SSL/TLS Protocols
  4. Scroll to the bottom of the page and click the Save button.
  5. Click the Rebuild Configuration and Restart Apache button.
    Rebuild Configuration and Restart Apache
    Rebuild Configuration and Restart Apache

Note: After following these steps, it may be necessary to add "Options +FollowSymLinks" to the .htaccess file for your site.

Test the configuration

To test that SSL is disabled, you run this command:

curl -IL –sslv3 https://domain.com

Note: Replace domain.com with the domain for your site.

If SSLv3 has been disabled, you should see a message like this:

curl: (35) error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure

If you need further assistance, feel free to contact us via Chat or Phone:

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You may also refer to our Knowledge Base articles to help answer common questions and guide you through various setup, configuration, and troubleshooting steps.

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