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Analyzing Proxy Log Files  

New Member

Does anyone know of a decent, free tool that has the ability to analyze proxy log reports that are exported in .txt files? What I am looking for is some type of user-friendly tool that can parse .txt proxy log files and give me a rough idea of a particular user's internet activity during working hours. I don't want to do it manually!

Posted : 23/03/2006 2:38 am


I am often tasked with searching proxy logs and making them more "readable". In order to accomplish this, I typically use something called, "Cygwin". It's a command prompt app that is based on Linux, but made for Windows.
You can download it for free at .

The catch with Cygwin is that you need to know how to use regular expressions. I'm sure that there are other apps that will give you easy-to-use graphical user interfaces, but Cygwin is a very robust tool, as long as you can understand some of the basic regular expressions. Here is a good website to introduce regular expressions if you are interested>>>> http//

Also, commands like "cut" and "grep" are very helpful for finding and extracting information like user id's, IP addresses, and search terms.

Good luck, and let me know if you need a hand.

Posted : 23/03/2006 4:56 am
Active Member

What proxy server are you running?

Posted : 23/03/2006 8:05 pm
New Member

If you email me with a sample file to work with and explain how you want the results I'll write and publish a small freeware Windows application for you. If there are variations in the different file formats send me a sample proxy log of each type with a way for me to identify which is which. Give me an idea of everything you'd like it to do and I'll probably throw in some extra cool stuff too.

Posted : 23/03/2006 10:33 pm