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What information about me and my Computer and Internet Connection is transmitted when browsing?

Posted on 2008-10-31
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Last Modified: 2013-12-08
Hello,

What information about me and my Computer and Internet Connection is transmitted when browsing online?

I am interested in knowing ALL the information that is transmitted, and HOW it is transmitted, and how it DIFFERS between Firefox, IE, and Opera.

Thank you.
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Question by:NeedExpertHelp
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4 Comments
 

Author Comment

by:NeedExpertHelp
ID: 22850824
Anyone?  I thought this would be a simple question, but couldn't find the answer after Googling it.

Thanks.
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Author Comment

by:NeedExpertHelp
ID: 22855208
OK, I'll simplify the question since I haven't received any answers.

In general, what information about me and my Computer and Internet Connection is transmitted when browsing online?

Thanks.
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Accepted Solution

by:
everxray earned 250 total points
ID: 22899762
Hi "need expert help",

I'd suggest using fiddler or wireshark.

You can use IE, Opera and firefox to perform the same action(i.e. browse to the same site), fiddler will tell you what data has been transferred and in what form.

Wireshark does almost the same but it captures all network traffic and the logs are harder to read.

Hope that helps.
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Assisted Solution

by:koreesneek
koreesneek earned 250 total points
ID: 23706521
Hi

There is a lot of information that your browser gives away. Type and quantity of gathered data also depends of website you are visitnig and if you are using your default settings. If you are using fire wall or encrypted anonimitiy service or program (like Tor) than it will be harder to collect data about your location but not imposible. Any way click on link below and see for yourself. Results will vary if you turn off java and java script or use services mentioned before. Each browser also sends referrer link to a website you visited by clicking on a link on other web page. Referrer link tells a website what was the adress of a website where you clicked the link that send you to theirs web page.

try this:

http://privacy.net/

and see for yourself.

data displayed in black frame/table is directly sent by your browser or can be detected
data displayed outside black frame is data that can be derived and/or  found from colected information displayed in black frame which your browser sent

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