iptables on CentOS
#Add firewall rules to block a port from any IP, except from local to a server iptables -A INPUT -p tcp –dport 8443 -s 10.10.10.10 -d 10.10.10.10 -j ACCEPT iptables -A INPUT -p tcp –dport 8443 -s 0.0.0.0/0 -j DROP #Add firewall rules to block a port from a server to any IP, except the … Continue reading iptables on CentOS