Installation is quick and easy.
Firewalls can slowdown an outsider who is breaking into your system. But having a firewall in place will not stop or detect unauthorized insider use of your computer systems. The enforcement of computer-use policies has become an impossible and expensive undertaking. Thousands of workstations, PCs, terminals, and super-mini computers are in use each day. Many systems are also connected to LANs, WANs, and the Internet.