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Privacy and how the Internet works
 

Privacy and how the Internet works

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Presentation on how the Internet works, with emphasis on privacy as the lens with which to view things.

Presentation on how the Internet works, with emphasis on privacy as the lens with which to view things.

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    Privacy and how the Internet works Privacy and how the Internet works Presentation Transcript

    • Should you have any expectation of privacy?
    • What is privacy?
    • Scenario 1: Bulletin Board
    • Scenario 2: Love Notes
    • Scenario 3: Post Office
    • How does privacy work in each case? What keeps another person from “snooping in”?
    • How does the Internet work?
    • Content __ __ __ __ __ __ Platform
    • Content (What you put on the Internet) __ __ __ __ __ __ Platform (How it gets from one place to another)
    • Content __ __ __ __ __ __ Platform
    • Four important things to remember about the Internet: 1. Every machine has a unique numeric IP address 2. Humans are bad at remembering numbers so we associate names with IP addresses. 3. To get a message from one machine to another, you may have to pass through other machines 4. Your message may be broken apart as it travels. Don't worry, it gets reassembled at the end.
    • Two important things to remember Four about the Internet: 1. Every machine has a unique numeric IP address 2. Humans are bad at remembering numbers so we associate names with IP addresses. 3. To get a message from one machine to another, you may have to pass through other machines 4. Your message may be broken apart as it travels. Don't worry, it gets reassembled at the end.
    • What happens when you go to Facebook?
    • What is the IP address of www.facebook.com? Who owns 31.13.68.8? Where is it located?
    • When you connect to a server... Facebook server (somewhere in Europe?) Your laptop Teh Internet You
    • How did we get from HERE to THERE? 192.168.1.1 –100.91.64.1 –121.96.7.XX 202.78.101.xx 31.13.28.xx –- my local machine (private IP address) provider's router (shared address space) Bayantel's network Facebook's network
    • When you connect to a server... Your laptop Facebook server (somewhere in Europe?) Bayantel Some HK telco Bayantel (or maybe in HK?) You Teh Internet
    • Who controls the Internet?
    • Who controls the Internet? (ah, but what do you mean “controls”?)
    • Two important things to remember Four about the Internet: 1. Every machine has a unique numeric IP address 2. Humans are bad at remembering numbers so we associate names with IP addresses. 3. To get a message from one machine to another, you may have to pass through other machines 4. Your message may be broken apart as it travels. Don't worry, it gets reassembled at the end.
    • At the fundamental level... ...who controls IP addresses? ...who controls the names?
    • Internet Corporation for Assigned Names and Numbers ● ● Management of addresses and routing at top level Administration of generic top-level domains and country code top-level domains ● Allocation of IP addresses ● Other services
    • Who controls the Internet? Content __ __ __ __ __ __ Platform ICANN IP addresses Domain Names
    • Who controls the Internet? Content __ __ __ __ __ __ PoPs/ISPs PLDT, Globe, etc. Orgs Universities, governments, companies Regional Backbones Asia, Africa, Europe telcos Tier 1 ICANN Platform Providers Level 3 Communications, CenturyLink, Vodafone, Verizon, Sprint, and AT&T Corporation IP addresses Domain Names
    • Who controls the Internet? Content __ __ __ __ __ __ DNS ICANN registrars ICANN IP addresses Domain Names
    • Can we they be trusted? DNS ICANN registrars PoPs/ISPs PLDT, Globe, etc. Orgs Universities, governments, companies Regional Backbones Asia, Africa, Europe telcos Tier 1 ICANN Platform Providers Level 3 Communications, CenturyLink, Vodafone, Verizon, Sprint, and AT&T Corporation IP addresses Domain Names
    • Can we they be trusted? It depends.
    • Motivations “Commons” Markets
    • Content __ __ __ __ __ __ Platform
    • Content User-generated commercial __ __ __ __ __ __ Platform
    • Content User-generated commercial __ __ __ __ __ __ Platform
    • How the Internet was originally conceived Content __ __ __ __ __ __ Uniquely identified machine Uniquely identified machine Platform
    • How we're using it Content __ __ __ __ __ __ Platform Some server somewhere
    • Or actually more like... user-generated commercial Somebody's servers somewheres “Platform”
    • Who controls the Internet? Content __ __ __ __ __ __ Hosting companies “Platform” companies PoPs/ISPs PLDT, Globe, etc. Orgs Universities, governments, companies Regional Backbones Asia, Africa, Europe telcos Tier 1 ICANN Platform Providers Level 3 Communications, CenturyLink, Vodafone, Verizon, Sprint, and AT&T Corporation IP addresses Domain Names
    • Can we they be trusted? It depends.
    • Who do the hosting companies and “platform” companies answer to?
    • Should you have any expectation of privacy?
    • How are you using the Internet? ...as bulletin board? ...to pass love notes? ...as post office?
    • Should you have any expectation of privacy? ...physical / technical measures ...legal enforcement ...social norms
    • Other things...
    • Encryption
    • Anonymity
    • Security
    • Censorship
    • The Hive Mind
    • Questions?
    • How does the Internet work? By Dominique Gerald M. Cimafranca Web: www.villageidiotsavant.com Twitter: @dcimafranca