AntiDDoS Bằng CSF Siêu Đơn Giản

 Homepage: https://configserver.com/cp/csf.html

Install CSF:

cd /usr/src/
wget 'https://download.configserver.com/csf.tgz'
tar -xvf csf.tgz
cd csf
sh install.sh
chkconfig --levels 235 csf on
chkconfig --levels 235 lfd on

Config CSF:

cd /etc/csf/
sed -i 's/TESTING = "1"/TESTING = "0"/g' /etc/csf/csf.conf
sed -i 's/ICMP_IN = "1"/ICMP_IN = "0"/g' /etc/csf/csf.conf
sed -i 's/PORTFLOOD = ""/PORTFLOOD = "80;tcp;60;60,443;tcp;60;60,22;tcp;5;250"/g' /etc/csf/csf.conf

Restart CSF:

csf -r && csf -q && service lfd restart