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Firewalls For Dummies Cheat Sheet

A firewall constructs a barrier between your computer and the Internet in an effort to safeguard your computer and the information in it. When you sta...

In Internet Access
Getting a Close Look at Firewalls

As network traffic passes through the firewall, the firewall decides which traffic to forward and which traffic not to forward, based on rules that yo...

In Networking
Knowing What Your Firewall Is Up Against

Hackers have a number of ways (beyond insecure passwords and software bugs) to get into computers and networks. Most operating systems and other progr...

In Networking
Tools That Augment Your Firewall Protection

If you already have a firewall installed, you should spend some time testing it. Just assuming that your firewall works is as bad as not having a fire...

In Networking
Firewall Shopping Checklist

When you’re shopping for a firewall to protect your computer and the information on it, you want the firewall hardware and/or software to be eff...

In Internet Access
Ports, Protocols, and IP Address Ranges for Firewa

If you’re building or installing a firewall to protect your computer and your data, basic information about Internet configurations can come in...

In Internet Access

Firewall-Friendly Web Sites

Installing a firewall is a security measure, but it’s just the first step. To maintain your security and your firewall, you have to stay vigilan...

In Internet Access

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