Select Rebuild Configuration and Restart Apache.Select the radio button beside “ TLSv1.2 default.” If you wish to support the latest TLS version, TLS 1.3, select the radio button beside the text field and type the following: TLSv1.2 +TLSv1.3 you’ll likely see text similar to the following: SSLv23:!SSLv2:!SSLv3:!TLSv1:!TLSv1_1. On the left, select Apache Configuration.Log into WebHost Manager (WHM) as root.To test what TLS versions your Linux web server uses, you can use third party tools such as the Qualys SSL Labs online tool, included in the Mozilla Observatory Header Scanner.īelow we cover how to disable older TLS versions and enable TLS 1.3 on:įollow these steps to harden cPanel-managed servers. This is a quick, but valuable way to harden your Linux server to protect your data and website visitors.
However, many web server environments leave the older TLS versions enabled to ensure compatibility for new users. TLS versions 1.0 and 1.1 are now considered insecure with TLS 1.2 being the current standard and TLS 1.3 being the newest version available today.
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