![]() ![]() Please note that other Pearson websites and online products and services have their own separate privacy policies. ![]() This privacy notice provides an overview of our commitment to privacy and describes how we collect, protect, use and share personal information collected through this site. Pearson Education, Inc., 221 River Street, Hoboken, New Jersey 07030, (Pearson) presents this site to provide information about products and services that can be purchased through this site. It stops inbound threats but won’t stop outbound nasties that might be on your computer.You’ll never see pop-ups, alerts, or other annoyances. It works silently to defend your network.It does not use any memory on your computer, so the firewall is invisible. ![]() Some things to keep in mind when it comes to a NAT firewall are 151.) Install a Hardware Firewallįor sheer firewall simplicity, I recommend installing a home network router with built-in network address translation (NAT) firewall capabilities (discussed earlier in this chapter on p. You leave your wireless network unsecured and a wireless network snoop connects and exposes your computers on the network to viruses, spyware, or their own curiosity (Learn more about wireless network snoops in Chapter 6, "Wireless Network Snoops: Lock Down Your Wi-Fi Network," on p. Maybe your children or roommates have their own computers and they regularly infect it with spyware or viruses.Ī friend or family member sometimes comes over with an infected laptop and connects it to your home network. So you might want to leave on the Windows Firewall or a two-way firewall such as ZoneAlarm on your computer. However, you are not protected from the computers inside the router. If you have a home network router, your computer and other computers on the network (such as your spouse’s laptop and your children’s computer) are protected from the outside world. There is an option for more info, however, if you are interested.ĭouble Your Defense with a Double Firewall Because you’ve seen the alert, you are protected (see Figure 3.14) and don’t need to take any further action. Most of these could be hackers scanning for opportunities or worms trying to access your computer. For instance, if you change the security level from medium to high, ZoneAlarm starts pestering you again about programs accessing the Internet. You’ll also start receiving security alerts if you change ZoneAlarm’s security settings. Then you shouldn’t be bugged much after that until you install new programs or there’s a legitimate infection that is caught by the firewall.
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