Troubleshooting Website SSL Issues – No Padlock

Having SSL problems? One of the most common issues our team handles is related to websites not properly displaying over HTTPS, whether it be the website either not loading entirely, or just not showing the green padlock: If you’re sure that the SSL certificate is installed properly, but your site isn’t showing as secure, there…

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Custom Exim Filter Examples

cPanel allows you to easily create custom Exim filters by simply dropping the rules in /usr/local/cpanel/etc/exim/sysfilter/options/ and running: /scripts/buildeximconf service exim restart Here are a couple useful examples of filters we’ve created for our customers: Prevent email delivery to certain domains: if (“$h_to:, $h_cc:” contains “@domain.com”) or (“$h_to:, $h_cc:” contains “@domain.com”) then fail text “Emails to…

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Installing LetsEncrypt SSL Certificates on CentOS + cPanel Servers

Update! cPanel supports LetsEncrypt, but you just need to install the plugin for it to work. To do this, run: /scripts/install_lets_encrypt_autossl_provider Once installed, Let’s Encrypt will appear in WHM’s Manage AutoSSL interface (Home >> SSL/TLS >> Manage AutoSSL) where you can enable the provider. At the time of this writing, LetsEncrypt is in public beta…

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cPanel Update Fails Due to RPM Conflict

The cPanel update fails due to a problem installing RPMs, but is not specific about what the problem is: [20160203.180007] Testing if the newly downloaded RPMS can be installed without conflict [20160203.180007] Testing RPM transaction [20160203.180012] [20160203.180012] ***** FATAL: Test install failed: [20160203.180012] The Administrator will be notified to review this output when this script…

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Upgrading OpenSSH on CentOS 5 or 6

Note: This is an update from our 2011 post. If you’ve taken a peek at your PCI scan results lately, you may have noticed that your scan provider is now requiring OpenSSH 6.6 or higher due to CVE-2014-2532 – a version that is not currently available in the CentOS 5 or 6 repositories. A Yum update isn’t going…

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CloudLinux or BetterLinux?

UPDATE 6/18: Shortly after this was posted and one of the major hosting companies I’m affiliated with removed BetterLinux from their servers due to stability problems, BetterLinux announced that they are shutting down, effective July 1st. Customers ask us all the time whether they should use CloudLinux or BetterLinux on their servers, and what differences exist…

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