Without firewall software, Windows XP is vulnerable to attacks from the outside world. Hackers and network intruders can sneak in through security holes. Even behind a firewalled router, malicious software on a computer can still make connections to the Internet. It is important to have something that only allows connections from programs which are actually used, such as a web browsers and Instant Messenger. The best configuration is to block everything first, then allow each legitimate program one at a time. Each time a program tries to access the Net, the user is prompted with a window which asks them if they want to allow or deny it. There is also an option to remember the answer to force the same rule to apply every time that program attempts to connect.

Here are two recommendations for free firewall software that can be downloaded and installed today:

Sygate Personal Firewall is the simplest one and best for beginners. It asks the user to create a simple allow or deny rule for each program, nothing complicated.

PC Tools Firewall Plus Free Edition has the capability to handle custom rules. It is possible to specify what hosts, incoming ports, outgoing ports and protocols each application can or can't use. When a program needs access, it suggests individual rules based only on what options are needed the time, so manual configuration is not required.

To purchase a complete firewall solution combined with comprehensive anti-virus:

Kaspersky Internet Security 7.0 offers protection on all levels and is updated up to every hour.

Some features are:

• Virus, Trojan, Worm, Spyware Protection
• An Overall Detection Rate of 98.52%
• 0-2 Hour Response Time To New Threats
• Automated Hourly Updates
• Actively Protects Online Activity
• Scan Internet Traffic in Real-Time
• Anti-Virus Controls
  
• Anti-Spam Controls
  
• Anti-Phishing Controls
  
• Preview New Mail Before Downloading
• Rootkit Detection
• Option to Scan Only New or Modified Files
• Notifications of Unusual or Risky Activity
• Disinfects New Attacks Immediately
• Parental Controls
• Protects Itself from malicious modifications
• Supports Laptop Power Saving
  

Kaspersky Internet Security 7.0 is a complete solution.

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