 | |
| Computer Security 101: Free Computer Security 101 Class: Lesson 3 | |
| | Lessons | Quiz | |
 | from Tony Bradley, CISSP, your Editor and Guide The third lesson of the series. This lesson covers Ports, TCP (Transmission Control Protocol), UDP (User Datagram Protocol) and Firewalls. |
 | |
| Lessons | |
| All About Ports | |
| These ports are not the kind that ships drop anchor in. This section will tell you what you need to know about ports on your computer. | |
| TCP and UDP | |
| Learn what you need to know about the TCP and UDP protocols and what they are used for. | |
| Firewalls In A Nutshell | |
| A brief overview of firewall technology and the basics of how firewalls help to protect your computer from malicious code and hackers. | |
| Quiz | |
| Lesson 3 Quiz | |
| Now that you have learned about ports and firewalls and the TCP and UDP protocols, take the quiz to see how much you really know. | |
| Tony Bradley About.com Guide for Internet / Network Security CISSP, MCSE2k, MCSA, A+ | |
| Learn Something New Every Day | |
| Enroll at About U for More Online Learning About U is our collection of free online courses on About.com. Each online course is sent to you via email on a daily or weekly basis and will help you learn new skills, solve common problems, find shortcuts and quick tricks to simplify your busy life, or just learn more about your world. | |
| Missing Lesson: http://netsecurity.about.com/c/ec/1lost.htm | ||
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