For those of you who use VPS packages/Dedicated/Colocation following package with cPanel/WHM, no need to run into trouble again especially in terms of security management. With CSF in WHM, you can specify who is allowed access to your server (whitelist) or anyone who can’t access your server or to the IP blocking/blacklist easily, because it is in the form of a graphical interface that is easy to understand, unlike the empty server without whm using the terminal only. Here are the steps to do the blocking, allowing, and ignore certain IP Address via CSF in WHM.
While for those of you who want to know whether your IP included in the blacklist or not to access a sever and the site, you can use the services of the site that provides IP Blacklist Check, free of charge on the internet. Not only that, you can also use another tool, such as a Port Scanner, IP Calculator, Online Traceroute, Domain lookup, IP, Who is Who is your Domain, What is my ip, etc. All tips that you can do by going to the site located at http://networktools.pro/ip-blacklist-check.php