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I would like to use some tool such as wireshark, to check that whether facebook have some secret internet traffic to and from my computer. I would like to do this to make sure facebook doesn't consume up my bandwidth.
I am behind a proxy server which acts as a gateway, that is, all my packet are sent to the proxy before going out. Is there any method to check for this?

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up vote 2 down vote accepted

Facebook, like all Web 2.0 sites, uses asynchronous calls to update your web browser.

In other words, expect it to use bandwidth if the site is open, even if it appears to be idle.

To monitor this, use WireShark.

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I would to ask that how to check the bandwidth consumed by facebook secretly in 1 day. Thanks. – lamwaiman1988 Mar 28 '11 at 6:36
I'm confused by your use of the word "secretly". There is no secret. – user3463 Mar 28 '11 at 16:59
I mean when the browser is idle. – lamwaiman1988 Mar 29 '11 at 1:40
As I pointed out, because of the asynchronous nature of the website, the browser is never idle. – user3463 Mar 29 '11 at 3:15
So when I am in the facebook page, how much bandwidth facebook is consuming using ajax? How can I check that? When I use wireshark I don't really which packet is for facebook. – lamwaiman1988 Mar 29 '11 at 3:32

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