Block or Allow a source IP in iptablessudo iptables -I INPUT -s 24.1.180.89 -j DROPsudo iptables -I INPUT -s 24.1.180.89 -j ACCEPT
sudo iptables -I INPUT -s 24.1.180.89 -j DROP
sudo iptables -I INPUT -s 24.1.180.89 -j ACCEPT