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Internet Publishing and Network Topology

Internet Publishing and Network Topology. youngschool.youngtown.org. www.starsearch.com. yahoo.com. “web root”. 3dbang.htm. The Internet. http://www.starsearch.com/celebs/3dbang.htm. to the rest of the Internet. to the rest of the Internet. to the rest of the Internet. to Internet.

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Internet Publishing and Network Topology

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  1. Internet Publishing and Network Topology

  2. youngschool.youngtown.org www.starsearch.com yahoo.com “web root” 3dbang.htm The Internet http://www.starsearch.com/celebs/3dbang.htm to the rest of the Internet to the rest of the Internet to the rest of the Internet

  3. to Internet Internet and Intranets • The Internet - Everything everywhere • Intranet - A private group of computers • Also known as a “local area network” (LAN) • Connected to the main Internet by one or more “gateway” computers • Examples: • The computers belonging to a single town & district(youngtown.org, uconn.edu) • Computers of a single business (hitech.com, yahoo.com, generalelectric.com, etc.) • Computers belonging to part of the government (whitehouse.gov), intranet other computers in the intranet gateway

  4. hs.youngtown.org k6.youngtown.org The youngtown.org Intranet Dark gray clusters comprise the totality of the Young Town intranet. www.youngtown.org (i.e., town public web site) youngschool.youngtown.org uconn.edu

  5. Intranet - A restricted part of the Internet youngschool.youngtown.org only local users can access other computers on the intranet to/from the Internet intranet gateway computer- Bottlenecks all network activity between the Internet and local network - Can filter illicit access - Protects against outside hacking (“firewall”) - Allows legitimate in-bound access (“proxy server”) classrooms computer lab

  6. Local Server(s) youngschool.youngtown.org to/from the Internet intranet local server machine- Can provide specialized local services * Local web server * Network file server * FTP server (file transfer protocol) -May or may not exist on any given intranet classrooms computer lab

  7. A Local Web Server http://www.youngschool.youngtown.org/students/portfolios/jsmith/ to/from the Internet www.youngschool.youngtown.org - Can be set up to be only locally accessible, depending on local preferences “web root”

  8. File Servers and File Sharing - Hard disk on a remote machine is treated as if it were actually attached directly to the local computer. - Allows uploading and downloading files to servers. - On PC’s browse My Network Places, Network Neighborhood, or Find Computer - On Mac’s use Chooser and AppleShare (Mac OS 9) or “Connect to Computer” menu command (Mac OS X) uconn.edu

  9. hs.youngtown.org k6.youngtown.org Publishing to the Intranet versus Internet www.youngschool.youngtown.org(private - inside firewall only) W X www.youngtown.org (i.e., town public web site) uconn.edu

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