Comments on: Save the Day With Fiddler (or, Stop Barracuda From Blocking the iTunes Store) http://blog.crankybit.com/fiddler-and-barracuda/ Take a byte out of tech! Tue, 31 Jan 2012 18:39:46 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: James Tanner http://blog.crankybit.com/fiddler-and-barracuda/#comment-38213 James Tanner Sat, 09 Jan 2010 21:38:26 +0000 http://blog.crankybit.com/fiddler-and-barracuda/#comment-38213 You would be amazed at the UDP/TCP requests that go out from a single webpage. There are web services being called, ad servers, phone homes, tracking cookies, and all sorts of I/O transactions taking place. It is a misconception that visiting a single web page is like going to a single IP address. In fact many malware is installed undetected in just this manner, with an unseen TCP/UDP call. Some <a href="http://www.comvigo.com" rel="nofollow">Internet Filtering</a> solutions will be set up to block a know problematic UDP or TCP address, and this will have the unintended consequence of blocking a larger application, like, in your case, iTunes. Thanks for the heads up on Fiddler, I'm going to check it out. Best, Jim You would be amazed at the UDP/TCP requests that go out from a single webpage. There are web services being called, ad servers, phone homes, tracking cookies, and all sorts of I/O transactions taking place. It is a misconception that visiting a single web page is like going to a single IP address. In fact many malware is installed undetected in just this manner, with an unseen TCP/UDP call. Some Internet Filtering solutions will be set up to block a know problematic UDP or TCP address, and this will have the unintended consequence of blocking a larger application, like, in your case, iTunes. Thanks for the heads up on Fiddler, I’m going to check it out.

Best,

Jim

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