1. Free Powerpoint Templates Page 1 Free Powerpoint Templates Peer-2-Peer File Sharing Kenie Moses TECH621Social Internet Spring 2011

2. Free Powerpoint Templates Page 2  What is Peer-2-Peer file sharing?  History of file sharing  Types of file sharing  Examples  Risks  Risk Avoidance  Conclusions  Questions Peer-2-Peer File Sharing Overview

3. Free Powerpoint Templates Page 3  File sharing amongst connected network peers without the central server hosting (tech-faq.com)  No host computer storage  Free downloadable shareware to connect Peer-2-Peer File Sharing What is it?

4. Free Powerpoint Templates Page 4 Peer-2-Peer File Sharing History  1977 Xmodem a point-to-point BTP- Ward Christensen  1985 File Transfer Protocol- Postel and Reynolds  1986 Zmodem another BTP superior long-distance transmission  1988 Internet Relay Chat- Jarkko Oikarinen IRC users can exchange files via Direct Client-to-Client  1990 The World Wide Web-Tim Berners-Lee & Robert Cailliau  1991 Mp3 is finalized as an ISO/IEC standard

5. Free Powerpoint Templates Page 5 Peer-2-Peer File Sharing History  1997 Scour, Winamp, Hotline & MP3.com founded  1998 MPMan F10, Rio PMP300, Audiogalaxy, MP3 Newswire & Digital Millennium Copyright Act passed  1999 Napster uses centralized structure. Indexing & searching performed on Napster servers. Storage on peer from peer  2000 MyMP3, eDonkey, Gnutella, Scour Exchange & Freenet  2001- Decentralized file sharing clients, lawsuits, shut downs & open source software distribution

6. Free Powerpoint Templates Page 6 Peer-2-Peer File Sharing Peer-2-Peer Network Organization Centralized Network Decentralized Network http://en.wikipedia.org/wiki/BitTorrent_(protocol)

7. Free Powerpoint Templates Page 7 Peer-2-Peer File Sharing  File Hosting Services Internet hosting service specifically designed to host static content through direct download; online storage  Peer-2-Peer Services File sharing among peers connected by common, normally, open source software package that allow users to download and upload bits of info through swarm networks 2 Types of File Sharing Services

8. Free Powerpoint Templates Page 8 Peer-2-Peer File Sharing  File Hosting Services RapidShare, File Savr, file dropper, FileFactory, File Den, Fileqube, 4Shared, 2big2send.com  Peer-2-Peer Services (TorrentSpy, uTorrent, Azureus, BitTorrent), ARES, Gnutella, Freenet, (LimeWire), (isoHunt, PirateBay) Major Examples

9. Free Powerpoint Templates Page 9 Peer-2-Peer File Sharing Risks  Unknowingly allow others to copy private files  May download material that is protected by copyright laws  May download a virus or facilitate a security breach  Allow others to view personal information or download content other than anticipated information. (i.e. porn)

10. Free Powerpoint Templates Page 10 Peer-2-Peer File Sharing Risk Avoidance  Install file-sharing software carefully, so that you know what’s being shared  Use security software and keep it and your operating system up-to-date  Close the connection & back-up sensitive data  Create separate user accounts

11. Free Powerpoint Templates Page 11 Peer-2-Peer File Sharing Conclusion  P2P is an efficient and effective means to transfer data between individuals over distance  High risk for worm (virus) intrusion, security breaches & unwanted information access  Current study for P2GP (PGP) for increased security and control over “friends” (peers)

12. Free Powerpoint Templates Page 12 Peer-2-Peer File Sharing References http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt128.shtm http://www.peer2peertutors.com/ http://en.wikipedia.org/wiki/File_sharing http://en.wikipedia.org/wiki/File_hosting_service http://www.blogsdna.com/923/top-20-best-peer-2-peer-p2p-file-sharing-programs- applications-software.htm http://compnetworking.about.com/od/p2ppeertopeer/Peer_to_Peer_File_Sharing_P2P_N etworking.htm http://p2pfoundation.net/ 1) 2) 3) 4) 5) 6) 7)