Stateful firewall for netfilter framework
Creating a configuration file mkdir /etc/iptables touch /etc/iptables/rc.firewall chmod +x /et...
Installing knockd apt install knockd systemctl enable knockd Making the config file to look ...
Installing the package apt install fail2ban systemctl enable fail2ban Making the config file t...
fail2ban-client status fail2ban-client status apache-modsecurity fail2ban-client set apache-mod...