IPTables Delete All Rules Command

To delete all existing rules in IPTables, simply follow the commands below one by one.

iptables -F

iptables -X;

iptables -t nat -F;

iptables -t nat -X;

iptables -t mangle -F;

iptables -t mangle -X;

iptables -P INPUT ACCEPT;

iptables -P FORWARD ACCEPT;

iptables -P OUTPUT ACCEPT;

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