ANALYSIS - In this Network World article, the author raises the topic of what is really going through port 80 on most firewalls. Sure, visits to Yahoo, Google, and the other millions of web site destinations is dutifully following the guidelines around port usage. But does everyone know how many other applications are also using port 80? Almost every one of the 30 odd Instant Messaging applications will pop through port 80 if the default ports are blocked. Google Talk is yet another example. With the web now a key part of the network infrastructure, can enterprises really continue to ignore the Elephant in the room?
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