How to configure firewall on CentOS cPanel server to use IPSET
This will improve your firewall's performance
Install IPSET using:
yum install ipset ipset-devel -y
Update configuration file /etc/csf/csf.conf. Value for LF_IPSET needs to be set to 1 to get it enabled
Once its done go ahead and increase DENY_IP_LIMIT and DENY_TEMP_IP_LIMIT values for example up to 3000
You may use the following sed command for that
sed -i -e 's/LF_IPSET = "0"/LF_IPSET = "1"/g' /etc/csf/csf.conf… Read the rest