How to Open specific port to specific IP in CSF
Opening ports and closing ports in CSF is easy. But it can be a bit tricky to open a port to a specific IP in CSF.
How to Use Custom RBL with cPanel
RBL stands for Realtime Black lists and it mainly works for email servers. RBL is a collections of IP addresses or network addresses which has been found to be spamming. So the email servers will connect to these RBLs before accepting email from an IP and make sure that the IP from with the mail arrives is free from spams.
How to Upgrade MySQL Manually on a cPanel Server
Keeping MySQL on the server up to date is essential for the efficiency of codes . There are times when we just cannot let cPanel handle an upgrade because we may end up having our databases not working properly after an upgrade. So, therefore we need to do upgrades of MySQL manually.
How to Change Default FTP Port on a cPanel Server
Change default FTP port for greater security for the server and to its contents, if the server is a shared one. Not only because the default port gives you a connection automatically and if they could guess the password, your content is in risk. So, I would suggesto to change the FTP port to a non standard one.
Set up DNS Clustering for cPanel servers
A DNS cluster is a set of DNS servers that share and synchronize DNS zone files. Having a nameserver cluster will help your domain to be online even if one of your DNS servers goes down.