Project 6

Self-Check for Appendix C

1. What is a firewall?
   (p. 278)
   a device on a network to enhance security. It can be a separate computer or another network device that is able to restrict the flow of data to make the network more secure.
   
   
2. What is a virus?
   (p. 279)
   a piece of code or a set of instructions that attaches itself to an existing program.
   
   
3. List the steps you can use to clear the cache or remove temporary files when using Internet Explorer.
   (p. 280)
   Tools >> Internet Options >> General >> Delete Files (in the section titled "Temporary Internet Files")
   
   
4. List steps to set the number of days an item is kept in the history list.
   (p. 281)
   Tools >> Internet Options >> General >> set the number of days items are to be kept in the history list
   
   
5. List steps to clear the history list.
   (p. 281)
   Tools >> Internet Options >> General >> Clear History
   
   
6. What type of information is stored in a cookie?
   (p.281)
   Cookies are used to store information such as a login name and password or information about what portions of a Web site were visited on your computer.

Activity #1 -- Short answer from online resources

Visit Sandy Berger's CompuKiss Tutorials
http://www.compukiss.com/sandyclassroom/tutorials/article791.htm

1. What are Sandy Berger's favorite virus protection programs?
   Norton AntiVirus and McAfee VirusScan
   
   
2. Briefly list the three steps she gives to effectively use a virus protection program.
   Get a good virus protection program.
   Install the software; set it to run in the background and keep it on.
   Update the antivirus software on a regular basis.
   
   
3. Approximately how many new viruses are detected each month (according to Sandy Berger)?
   More than 250
   
   
   http://dispatch.mcafee.com/virus_tips.asp
   
4. Approximately how many new viruses are detected each month (according to the McAfee website)?
   Over 500
   
   
5. List five tips given in the McAfee article for protecting your machine from viruses.
   Do not open files attached to email unless you know what it is.
   Delete chain emails and junk email.
   Exercise caution when downloading any files from the Internet.
   Update anti-virus software regularly.
   Back up files on a regular basis.

Visit Shields Up website
http://grc.com/su-firewalls.htm

After reading the material from the online resource given above, answer the following question

What ways could you be using your computer that makes it vulnerable to hacker attacks?

• If you are running a web server and need to allow remote machines to connect to your machine on port 80 (http)
• If you are operating any sort of Internet server such as Personal Web Server.
• If you use any sort of Internet-based remote control or remote access program such as PC Anywhere, Laplink or Wingate.