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  • Blog Post: How can we locate the codebase objects using Fiddler?

    Hi everyone! Gary Ranne here from the IE Team with a quick tip on how to use Fiddler to identify codebase objects on a webpage. With the inception of the ActiveX installer service it is even more important to be aware of the location that ActiveX controls are being installed from. Frequently, this...
  • Blog Post: How can I tell if IE has received a WPAD configuration file when “Automatic detection” is enabled?

    Alejendro, this blogs for you!   Unfortunately, there is nothing within the IE User Interface itself that tells you a WPAD file was downloaded for use by IE.  However, we can provide you a quick method of verification…   First, clear any cached data from the Temporary Internet Files directory...
  • Blog Post: Why does IE keep closing out valid ports on a 200/OK response?

    This is a very interesting issue, but rarely comes up and so it's hard to detect immediately. Let's begin... An issue is opened up with Microsoft due to poor performance, in where IE seems to be closing out valid ports for not particular reason. Traces are taken and it "low and behold", IE is closing...
  • Blog Post: WPAD detection in Internet Explorer

    Hello again, I spent a lot of time recently troubleshooting WPAD detection using DHCP 252 option. In doing so, the information I collected may be useful to those deciding how to implement proxy auto-discovery in corporate networks. Proxy Auto-Disover configuration files , wpad.dat files, provide central...
  • Blog Post: Understanding Directly Accessing Computer Specified In the Address Tab on ISA Server

    In the recent months, I have been getting involved in a number of customer cases related to the feature “Directly access computes specified in the Addresses tab” when configuring the Web Browser settings for the Internal Network object. There has been confusion over the purpose of this functionality...
  • Blog Post: Under the Hood: WinINet

    Tuesday, August 21, 2007 11:19 AM We often have to work with customers to understand why a specific IE scenario fails.  In some instances we may have to enable some custom logging and data collection to get to the root cause.  However, understanding why we are doing what we are doing is crucial from...
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