How to disable ping command (ICMP echo)

Ping is a utility used to check whether a host is reachable. Ping will send ICMP echo request packets to the target host. According to Wikipedia, ping is: Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It…

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Optimize MySQL/MariaDB performance with MySQLTunner tool

MySQLTunner is a Perl tool that you'll assist you and tuning your MariaDB/MySQL database server. It checks many parameters of the server, verifies user passwords, checks for anonymous users, insecure passwords(where for example the password is the username), checks for…

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How to whitelist hostnames in ConfigServer Security & Firewall (CSF)

CSF offers the option to whitelist fully qualified domain names (FQDN). This can be useful if you want to allow connections from hostnames with IPs that change frequently. The CSF file with the allowed hostnames is /etc/csf.dyndns /etc/csf.dyndns The content…

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How to enable notifications for account creation in DirectAdmin

DirectAdmin has an option that allows admins to receive email notifications when an account is created. This can be useful if you want to keep track of accounts creation. Some companies have policies that require logging such operations. The DirectAdmin…

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