Iptables
What is iptables? iptables is a tool used in Linux-based operating systems for configuring firewall rules. It allows filtering and forwarding of network packets based on various criteria such as IP addresses, ports, and protocols. It can be used for both protecting against network attacks and managing network traffic within the system. Useful rules iptables -A INPUT -p tcp --dport 80 -j ACCEPT: This command adds a rule to the filter table that accepts incoming TCP packets on port 80....