Vidalia … a sweet onion , great in taste indeed and better choice for eating raw compared to other breeds … but the vidalia onion i am talking about is something different … its the TOR Project , which has symbol of vidalia onion, because it uses onion routing concept … Tor is a software , which allows user to surf internet anonymously …
Logic behind the Onion …
Onion routing is a technique for anonymous communication over a computer network. Messages are repeatedly encrypted and then sent through several network nodes called onion routers. Each onion router removes a layer of encryption to uncover routing instructions, and sends the message to the next router where this is repeated. This prevents these intermediary nodes from knowing the origin, destination, and contents of the message. Here, volunteers provide their network node ( at their expense of bandwidth and $$$ ofcourse ) …
But Tor is not the magic wend of fairy god-mother that will make user completely anonymous on internet … it has its own limitation and rules … it does not guarantee for security of data transmitted , once it leaves tor network … so to ensure end-to-end security, measures need to be taken ( SSL connection for example ) … because it has been already proved that , a user ( a hacker , to be more precise ) sitting at end node of network can sniff / capture data leaving tor network and can use it too …
But if you are an adventurer just like me … who just want to try tor for study and experiment … then its really amazing …
the tor software which runs from usb drive gives you ultra portability , ease of use … you don’t even need to install anything in pc … and more good , we can use it anywhere … is just amazing …
i want to write about it but some another time …
till then …
Njoy … 
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