What HTTP traffic monitor would you recommend for Windows? [closed]

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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.

Entomology answered 13/8, 2009 at 12:49 Comment(1)

Related on Super User: How can I monitor all the outgoing HTTP requests from my PC? – Holophytic 19/6, 2018 at 14:35

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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.

Schleicher answered 13/8, 2009 at 12:52 Comment(4)

Correction: Fiddler if you want to monitor or modify HTTP or HTTPS traffic. – Klimt 17/8, 2009 at 14:42

This answer would be helpful for this duplicate question on Super User. Would you mind crossposting this answer? – Holophytic 19/6, 2018 at 14:33

Fiddler isn't free. – Shannashannah 23/4, 2022 at 10:0

Fiddler used to be free, but that's changed since I wrote the answer. – Schleicher 20/10, 2022 at 20:59

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I now use CharlesProxy for development, but previously I have used Fiddler

Connelly answered 13/8, 2009 at 12:53 Comment(3)

+1 for Charles. Fiddler is very good, but some of Charles's other features such as Map Local and Rewrite give it the edge (plus, it's cross-platform). – Moten 13/8, 2009 at 13:13

FWIW, Fiddler can both map local (see AutoResponder) and trivially rewrite (see the script engine). It only runs on Windows, but you can point any other computer at a Windows machine running Fiddler. – Klimt 17/8, 2009 at 14:43

Extra +1 to Fiddler for being free – Insensible 12/10, 2013 at 2:48

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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.

Miocene answered 13/8, 2009 at 12:50 Comment(0)

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Microsoft Network Monitor (http://www.microsoft.com/downloads/details.aspx?FamilyID=983b941d-06cb-4658-b7f6-3088333d062f)

Granniah answered 13/8, 2009 at 14:54 Comment(2)

To monitor only http traffic you should add a filter like ProtocolName == "HTTP" or tcp.dstport == 80 && http etc. – Mathias 30/6, 2014 at 10:34

How to get request and response body in the Microsoft Network Monitor – Toulouse 8/2, 2023 at 7:51

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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.

Trinia answered 13/8, 2009 at 13:10 Comment(0)

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I like TcpCatcher because it is very simple to use and has a modern interface. It is provided as a jar file, you just download it and run it (no installation process). Also, it comes with a very useful "on the fly" packets modification features (debug mode).

Eakin answered 14/7, 2010 at 12:44 Comment(2)

The link redirects to a malicious site – Machinery 8/8, 2018 at 8:41

The link was wrong ,it is tcpacher.fr and not tcpcatcher.org. I corrected it. – Eakin 9/8, 2018 at 9:7

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

Bonacci answered 13/8, 2009 at 12:56 Comment(0)

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