Whitelist IP or IP range in/out using iptables

#Flush existing rules iptables -F # Set up default DROP rule for eth0 (Assuming eth0 is the Ethernet Port) iptables -P INPUT DROP # Allow existing connections to continue iptables -A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT # Accept everything from the 192.168.0.x network iptables -A INPUT -i eth0 -s 192.168.0.0/24 -j…

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