Filters on Fiddler

[Vinay N]

I want to block javascripts and images getting recorded in my Fidller tool

At the same time it should work in Browser.

I tried enabling the filters for javascript and images it worked fine in Fiddler at the same time IE/Firefox blocked the javascript/CSS/img on Browser too.

[EricLaw]

Please explain specifically what you want:

 

1> I want to hide images and JavaScripts in Fiddler's Web Sessions list, but want that content to successfully be downloaded

2> I want to block the download of images and JavaScripts by the browser

[Vinay N]

I want  to enable the fiddler filter to block JScripts/CSS/Images  , at the same time it should allow the javascript /images/ css  to be loaded on the browser

But those http sessions should not be displayed in the Fiddler tool , It should not disable these things getting on to browser.

Hope this helps , thanks a bunch for your help


Regards
Vinay N

[Vinay N]

1> I want to hide images and JavaScripts in Fiddler's Web Sessions list, but want that content to successfully be downloaded onto browser

Can we do this in Fiddler ?

[EricLaw]

Of course. On the Filters tab, the Response Type and Size box has a dropdown that allows you to hide images, or show only other content types, but it doesn't enable the particular combination you've asked for.

 

No worries, you can easily write a FiddlerScript Rule to do this.

 

In Fiddler, click Rules > Customize Rules.

 

Scroll to either the OnPeekAtResponseHeaders or OnBeforeResponse methods. Inside the method, add the following lines:

 

  var sMIME: String = oSession.oResponse.MIMEType;

  if (sMIME.Contains("image/") || sMIME.Contains("script")) { 
    oSession["ui-hide"] = "FiddlerScript: Hide scripts and images";
  }

 

Save the script file and you will find that images and script requests are now hidden from the Web Sessions list.

 

 

[Vinay N]

Thanks a bunch it worked that solved my problem

I have couple of questions

1> Can Fiddler track incoming traffic from only the 1st IE instance , if I launch IE twice only the first instance sessions should get recorded.

when I mean 2nd instance a separate  IE window will be browsed those session traffic should be ignored if this is possible at all.

2> Can we restrict the users to only Inspector ,Time Frame tabs ? if so please let me know.

Once again Thanks a lot Eric.

Regards
Vinay N

[EricLaw]

You can filter to a single process using the Process icon in the Fiddler toolbar; simply drag/drop it to the HTML of the window whose traffic you want to see.

 

It's technically *possible* to hide the other tabs (and you can easily do so temporarily by middle-clicking or ctrl+right-clicking the tab title) but it's not obvious why this would be desirable?

[Vinay N]

Thanks a lot this helped me.

All your suggestions are working for me as expected.

Once again Thanks.

Regards.

Vinay N