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iptables is the new packet alteration framework (firewall utility) for Linux 2.4. It is an enhancement on ipchains, and is used to control packet filtering, Network Address Translation (masquerading, port forwarding, transparent proxying), and special effects.

iptables is the new packet alteration framework (firewall utility) for Linux 2.4. It is an enhancement on ipchains, and is used to control packet filtering, Network Address Translation (masquerading, port forwarding, transparent proxying), and special effects.