Disable deprecated TLS versions in Jetty for HTTPS, IMAPS, POP3S, and STARTTLS (including LMTP) $ zmprov mcf +zimbraReverseProxySSLProtocols TLSv1.3Ģ. $ zmprov mcf zimbraReverseProxySSLProtocols TLSv1.2 # Overwrite the current configuration to allow only v1.2 ![]() Disable deprecated TLS versions for proxy server/s: There are couple of components for which we can disable TLS versions:ġ. The purpose of this article is to show how to disable deprecated TLS versions on Zimbra server. Have any questions about disabling older TLS protocols or SSL certificates? Let us know in our Community Forum.- This article is a Work in Progress, and may be unfinished or missing sections. nmap -script ssl-enum-ciphers -p 443 īe sure to bookmark our guide on VPS Security to learn more ways to protect your server. If you have a CAA DNS record, you’ll also see “ DNS Certification Authority Authorization (CAA) Policy found for this domain.”įor terminal users with Nmap installed, you can use it or the Zenmap graphical application to check for insecure TLS ciphers.View the related cPanel forum threads for more information on how to support Forward Secrecy.If you enabled TLS 1.3, you should see “ This server supports TLS 1.3” in green.At the top, you should not see “ This server supports TLS 1.0 and TLS 1.1.”.Make sure to check the box stating “ Do not show the results on the boards” for some anonymity. The easiest option is to use the Qualys SSL Labs test. Only pay for what you need with our scalable Cloud VPS Hosting.ĬentOS, Debian, or Ubuntu No Bloatware SSH and Root Access Test your SSL/TLS SettingsĪfter you finish configuring your TLS settings, there are two easy methods to check your TLS changes. If you don’t need cPanel, don't pay for it. Restart Apache: systemctl restart apache2.Ensure it states the following: SSLProtocol all -SSLv3 -TLSv1 -TLSv1.1 You can use the find command if it’s not below:ĬentOS: nano /etc/httpd/conf.dDebian/Ubuntu: nano /etc/apache2/mods-enabled/ssl.conf Rebuild your Nginx configuration: ngxconf -Rrd -forceĭisable Older TLS Versions on Apache Serversįollow these steps to ha r den unmanged Linux servers.Look for the ssl_protocols line at the bottom of the file.Edit your default Nginx configuration file: nano /opt/ngxconf/templates/default_server.j2.Steps may differ if not managing an InMotion Hosting server. If your cPanel server runs Nginx, including users with the cPanel Cache Manager, you’ll need to do some advanced Nginx configuration: Linux VPS Hosting Disable Older TLS Versions on Nginx Servers Linux VPS cPanel or Control Web Panel Scalable Website Migration Assistance If not, test your TLS settings.Įnjoy high-performance, lightning-fast servers with increased security and maximum up-time with our Secure VPS Hosting! If your cPanel server runs Nginx, follow the Nginx section below. ![]()
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