
While PHP 4 may be obsolete nowadays, it’s sometimes difficult to pick a server configuration that will work with a large number of diverse sites. Luckily, cPanel makes it easy for the server administrator to install both PHP 4 and PHP 5 on the same server, and allow users to pick between.
As much as you are concerned about the security of your servers, your end users are likely just as concerned about what measures you have in place to protect their accounts against hacking attempts and unauthorized access. The following tips will help you increase your server’s security for end users, for both cPanel and FTP.
Using SSH keys for root logins is generally recommended over using password authentication. SSH keys are generated as a pair, where you have a private key and a public key.
By default, WHM gives you the option of using Spamhaus and/or Spamcop for added SPAM protection for incoming email. If you have additional DNSBL’s (DNS-based RBL’s) that you want Exim to check email against, you can easily enable them if you’re running cPanel 11.28 or higher.
Using custom RBLs with cPanel is a proven method to fight spam. Each day, 14.5 billion spam emails are sent out that make up for 45% of all email traffic. The following discussion will guide you through the meaning, purpose and process of using RBLs with cPanel to safeguard against spamming.
SSL (Secure Sockets Layer) is a technology that provides a layer of encryption for securing the link between a server and a browser. SSL maintains the privacy and the integrity of the data that passes through a SSL secured link. SSL has grown to become an industry standard and is used by innumerable websites for securing their connections.
Cron commands derive their name from the Greek word “chrono”, meaning “time”. Cron commands can be used to execute a command or script at a scheduled time. It is a Linux OS daemon that lies dormant after being loaded onto the memory once. It is primarily used for system administration and syncing emails in mailboxes, although the uses are innumerable.