Which of the following is a rewrite of ipfwadm?

A.
ipchains

B.
iptablesC. Netfilter

D.
ipcook

E.
None of the choices.

Explanation:
Iipchains is a free software based firewall running on earlier Linux. It is a rewrite of ipfwadm but is superseded
by iptables in Linux 2.4 and above.
Iptables controls the packet filtering and NAT components within the Linux kernel. It is based on Netfilter, a
framework which provides a set of hooks within the Linux kernel for intercepting and manipulating network
packets.