New PDF release: Absolute Beginner's Guide to Personal Firewalls

By Jerry Lee Ford Jr.

ISBN-10: 0789726254

ISBN-13: 9780789726254

Absolutely the Beginner's consultant to private Firewalls is designed to supply simplified, but thorough firewall details at the so much commonplace own firewall software program purposes on hand for the non professional firewall patron. additionally, it bargains details and hyperlinks to sites to help you try your safety after your own firewall is put in

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Extra info for Absolute Beginner's Guide to Personal Firewalls

Example text

This means that you can receive data much faster than you can send it. In fact, one CHAPTER 2 HIGH-SPEED INTERNET CONNECTIONS EQUAL INCREASED VULNERABILITY 25 cable provider, @Home, limits the maximum upload speed to 128Kbps. 6Kpbs. Fortunately, except for Internet gaming, most user access requirements are asymmetric in nature. For example, a mouse click at a Web site involves a very small amount of data, whereas downloading pictures and multimedia content requires considerably larger amounts of bandwidth or transmission capacity to handle all the extra data.

Your personal firewall will then deny access to the Internet to any application that is not on this list, including any Trojan horse applications. Note The term Trojan horse comes from the trick that the Greek attackers used to penetrate the defenses of the city of Troy. It describes a program that sneaks onto your computer by hiding within a seemingly legitimate piece of software. The horse later begins to run amuck. Back Orifice made the Trojan horse software attack famous. Back Orifice is a Trojan horse program whose name mimics the Microsoft Back Office suite of network applications.

Fortunately, except for Internet gaming, most user access requirements are asymmetric in nature. For example, a mouse click at a Web site involves a very small amount of data, whereas downloading pictures and multimedia content requires considerably larger amounts of bandwidth or transmission capacity to handle all the extra data. The Issue of Shared Access Cable access represents a shared connection. Your cable provider in effect sets up a local area network in your neighborhood to which you and your neighbors connect.

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Absolute Beginner's Guide to Personal Firewalls by Jerry Lee Ford Jr.


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