Locked How Tor works and what third parties see graphically

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Here i explain as simple as possible how tor works and what third parties see when you use it.

 

How Tor works?

 

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Instead of taking a direct route from source(Alice) to destination(Bob), data packets on the Tor network take a random pathway through several relays(nodes) that cover your tracks so no observer at any single point can tell where the data came from or where it's going.

 

Tor incrementally builds a circuit of encrypted connections through relays on the network. The circuit is extended one hop at a time, and each relay along the way knows only which relay gave it data and which relay it is giving data to. No individual relay ever knows the complete path that a data packet has taken. The client negotiates a separate set of encryption keys for each hop along the circuit to ensure that each hop can't trace these connections as they pass through.

 

Because the principle is that every node only knows the address of the previous and the next host but never the whole path,neither an eavesdropper nor a compromised relay can use traffic analysis to link the connection's source(Alice) and destination(Bob). There are three steps between your TOR browser(Alice) and the webserver(Bob):

 

Entry-Node (Knows your address(Alice) and relay nodes address)

Relay-Node (knows entry-node and exit-node address)

Exit-Node (knows address of relay-node and webserver(Bob))

 

For efficiency, the Tor software uses the same circuit for connections that happen within the same ten minutes or so. Later requests are given a new circuit, to keep people from linking your earlier actions to the new ones.

 

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What does your ISP and third parties see when you use Tor?

 

No Tor and No HTTPS

 

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No Tor and HTTPS

 

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Tor and No HTTPS

 

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Tor and HTTPS

 

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