How to detect which TCP packets are part of a HTTP connection in C#? [duplicate]

This question already has answers here: HTTP packet reconstruction (6 answers) Closed 8 years ago.

I am working on url tracker project where I have to track all sites visited by a user. So I deci开发者_如何学运维ded to do it by tracking TCP packets on every user request. So I am capturing all the TCP packets user requesting. But how can I figure out if it is a normal TCP request or HTTP request. Any suggestion will be very helpful. Thanks.

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I would suggest that running an HTTP proxy would be a better way of doing this. That way the browser (or anything else wanting to make HTTP requests) will know to use your application, and other applications won't be affected.

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You would have to inspect the request for a HTTP message such as GET /images/logo.png HTTP/1.1, and then you need to observe a response to make sure it actually succeeded.