Plesk for Linux kb: how-to ABT: Group A
- Plesk for Linux
How to check what SSL/TLS protocols are enabled in Apache configuration?
SSL/TLS protocols used by Apache are defined by the "SSLProtocol" Apache directive. To check which protocols are allowed:
Connect to a Plesk server via SSH.
Run the command:
on CentOS/RHEL-based distributions
# grep SSLProtocol /etc/httpd/conf.d/ssl.conf
on Debian/Ubuntu-based distributions
# grep -ir SSLProtocol /etc/apache2/*
/etc/apache2/mods-available/ssl.conf:SSLProtocol +TLSv1.2 +TLSv1.3
To enable/disable SSL/TLS protocols, see this KB article.
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