1. How the Internet Works Course Objectives Introduce the various web browsers Introduce some new terms Explain the basic Internet to PC hookup  ISP  Wired Ethernet (10baseT)  WiFi  Modem and Router Explore the basic components that makeup the Internet  Hardware  Software  Protocol

2. How the Internet Works Course Objectives Describe how an Internet connection is made  Human address format to Internet format  HTTP  HTTPS  FTP  BitTorrent Review Internet Security  Within your router  PC Firewall  WiFi password  Encrypted connection

3. How the Internet Works Course Objectives Explore the many Web Based Applications  Web Mail  Calendars  Office application workspace with sharing  VoIP  Hulu and Google TV  Desktop Sharing  File storage and backup Be Careful when you Download Scams and extra non-productive software Explore DNS spoofing and key stroke capture

4. How the Internet Works Browsers Are Applications Provide a GUI to the user Interpret HTML (hypertext Markup Language) Execute Javascript Controls your session with the server (cookies) Stores pages for fast return (cache) Ensures Security Provide Navigation from one website to another

5. How the Internet Works Browsers Provides programs (Add-on or Extensions) within the browser  Flash Player  Other video players  Sound  Animation  Video capture  Download control of useful programs Originally developed for the Internet or WWW  Can also be used to run programs strictly on the PC Converts human language and actions into Internet code, protocols and direction.

6. How the Internet Works New Terms URL (address) Domain Name Search Engine Crawler, Web Crawler, Web Spiders, Robots Home (page) Reload refresh Back button Forward button Stop button Bookmarks History Add-ons or Extensions

10. How the Internet Works Browser Functions The Browser is a web navigator  Navigates by following links  Links on its own website - internal links  Referred links to other websites  Link location is displayed on Status bar Converts HTML to a graphical display Styles display by website style sheets Provides enhanced interaction with Javascript/Jquery Add-ons or Extensions for more browser functionality Displays non-HTML content Enforces security and encryption

11. Internet Security NAT Traffic Analysis Firewall 4 Port SwitchWiFi ISP Access - Internet PC Software Firewall PC Software Firewall PC Software Firewall

12. Internet Security - Firewall NAT Traffic Analysis Firewall 4 Port SwitchWiFi ISP Access - Internet Network Access Table: Records outgoing Internet traffic initiated by LAN connected device. Allows returned Internet responses Denies any unsolicited traffic from the Internet Does not control or restrict LAN traffic

13. Internet Security - Firewall NAT Traffic Analysis Firewall 4 Port SwitchWiFi ISP Access - Internet Router Firewall: Uses the router manufacturer's rules based protocol Analysis the actual traffic to try and determine if valid or not Denies most unsolicited traffic from the Internet - can deny desired traffic Does not control or restrict LAN traffic

14. Internet Security NAT Traffic Analysis Firewall 4 Port SwitchWiFi ISP Access - Internet PC Software Firewall PC Software Firewall PC Software Firewall Software Firewall Initially blocks most in & out traffic Learns valid traffic by user interaction Protection for both WAN and LAN traffic

15. Internet Access ISP Access - Internet NAT Traffic Analysis Firewall 4 Port SwitchWiFi PC Software Firewall Software Firewall Initially blocks most in & out traffic Learns valid traffic by user interaction Protection for both WAN and LAN traffic

16. Internet Access ISP Access - Internet NAT Traffic Analysis Firewall 4 Port SwitchWiFi PC Software Firewall Software Firewall Initially blocks most in & out traffic Learns valid traffic by user interaction Protection for both WAN and LAN traffic

17. Password Security Don't use the same password for all sites. Especially financial sites. Use a password protection program or website. The browser's offer to remember password – bad. The program must encrypt its contents. On-line password protection: LastPass & RoboForm Computer based: KeePass & RoboForm

18. Website Contents – Home Page

24. Web Based Applications

25. Manage Finances

26. Online Banking Automatically receive bills Setup alerts and reminders Setup automatic and reoccurring payments Track expenses by category No need to reconcile checks Instant access to current balance

27. Share Photos and Documents

28. Create and Share