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11.29.2008 at 07:02AM PST, ID: 23943783
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7.7

How Data passes or blocked over the internet

Asked by sublimation in Network Software Firewalls, Internet Security

Hi,  I just want to understand how data is passed and blocked over the internet, at a high level.

I guess if I sent the string "Hello, World" over the net, it gets converted into a stream of 1s and 0s, binary, (e.g. 100010101100010).  Then binary coming in through port 80 on a server, translates this back to the string, right?   But what if I send an exe file to the port 80 on the server, isn't this still a series of 1s and 0s?  How can the computer (the server in this case) identify the file type?  Is it down to how any data or objects are serialized?  Is there some kind of header in the serialized package that identifies the type of object that is being streamed?

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[+][-]11.29.2008 at 07:10AM PST, ID: 23059893

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About this solution

Zones: Network Software Firewalls, Internet Security
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Solution Provided By: latze
Participating Experts: 1
Solution Grade: B
 
 
 
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20080716-EE-VQP-32 - Hierarchy / EE_QW_3_20080625