Which of the following will BEST block a host from accessing the LAN on a network using static IP
addresses?

A.
IP filtering

B.
Port filtering

C.
MAC address filtering

D.
DHCP lease

Explanation:
IPFilter (commonly referred to as ipf) is an open source software package that provides firewall
services and network address translation (NAT) for many UNIX-like operating systems. The author
and software maintainer is Darren Reed. IPFilter supports both IPv4 and IPv6 protocols, and is a
stateful firewall.