What HTTP traffic monitor would you recommend for Windows?

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I need the sniffer to test network traffic of applications developed by me for Windows and Facebook.

Basic requirements:

  • display request and response
  • display HTTP headers
  • display the time it took to complete HTTP request

Now I'm using HTTP Analyzer. A very good tool, but it terminates with some error after 10-15 min running on Vista.

7 Answers

Wireshark if you want to see everything going on in the network.

Fiddler if you want to just monitor HTTP/s traffic.

Live HTTP Headers if you're in Firefox and want a quick plugin just to see the headers.

Also FireBug can get you that information too and provides a nice interface when your working on a single page during development. I've used it to monitor AJAX transactions.

Try Wireshark:

Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions.

There is a bit of a learning curve but it is far and away the best tool available.

Fiddler is great when you are only interested in the http(s) side of the communications. It is also very useful when you are trying to inspect inside a https stream.

I use Wireshark in most cases, but I have found Fiddler to be less of a hassle when dealing with encrypted data.

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