You can easily configure Fiddler for Mac using Parallels as per instructions on their site. The only caveat is that you have to manually configure your Network settings to point to the IP address of the VM but not really that big of a deal.
Download
Do you want to see what connections your PC at a certain time, then that is very easy to check using special software. The program Fiddler, for example, supports all frameworks including NET, Java, and Ruby.
Every time you go to a website or use an online service there are different connections made. With the help of the freeware application Fiddler, all of these data connections through the proxy server, Fiddler, led. This then displays a summary of all the connections that will be made. These are, for example, in addition to the connection with the server on which the site is hosted also connections with integrated ad servers, payment providers, linked social media accounts, etc. Each connection can potentially slow the site. Using Fiddler, you can analyze exactly which connection for a lower speed.
Fiddler is an invaluable tool for web developers who are concerned with the scalability of an online service. Using Fiddler to determine which data transfer is slow the site to order the cause to be able to solve.
Fiddler has the following characteristics:
- free tool for traffic debugging,
- a log of all HTTP and HTTPS traffic capturing,
- suitable for any application that a proxy supports,
- check what traffic potential slows down,
- request and response time per connection,
- expandable with a large number of (free) extensions,
- available for Linux, Mac and Windows.
Fiddler screenshots
You can free download Fiddler and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
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Overview
I could not find a good walkthrough so here is one for you. Disclaimer: This is on the latest OS and Latest version of Fiddler Beta
Steps
Install Mono – You can do this many ways but I wanted to do Xamarin development so I downloaded and installed Visual Studio for Mac and installed Mono as part of that installation:
Download Fiddler - https://www.telerik.com/download/fiddler/fiddler-osx-beta
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You did step 1 of the instructions on this page already if you installed Visual Studio.
Move the ‘fiddler-mac’ folder somewhere you have write access to. I chose my Applications Folder. Open in Finder:
and then just drag and drop it into Applications:
And here it is!
Next find the Terminal app in LaunchPad and run it:
Navigate to the Applications folder: cd /Applications/fiddler-mac/
Pre the instructions I ran this: mono fiddler.exe
And got this error:
WARNING: The Carbon driver has not been ported to 64bits, and very few parts of Windows.Forms will work properly, or at all
Stacktrace:
at <unknown> <0xffffffff>
at (wrapper managed-to-native) System.Windows.Forms.XplatUICarbon.CGDisplayBounds (intptr) [0x00002] in <36fbc38531724d82b10aef6ebafea6e9>:0
And this error because I never ran/accepted the xcodebuild license : Agreeing to the Xcode/iOS license requires admin privileges, please run “sudo xcodebuild -license” and then retry this command.
Fiddler For Mac Brew
To fix this I first ran: sudo xcodebuild –license
and then used the correct 32 bit command to run mono and fiddler: mono --arch=32 fiddler.exe Firefox for mac 10.5.8.
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You next have to allow changes to your networking so you will be prompted:
And Fiddler will start running!
Fiddler For Mac Install
When you start capture, again you need to enter your password to reset the proxy.
Conclusion
Pretty simple but like I said, I had no luck finding a good workaround and the fiddler instructions did not have the sudo xcodebuild –license, nor the mono --arch=32 fiddler.exe commands
Drop me a note if you found this useful!