The proxy architecture has proven to be one of the most popular in implementing web security for enterprises. While it gives control to network administrators in implementing corporate HR policy on web browsing, it hasn't been a great tool for visibility or control into other applications that run on the network or even other applications that run over port 80, the port for http (web traffic).
Getting that visibility seems to be the goal for a few vendors in the proxy space. Blue Coat Systems recently acquired Packeteer and the PacketShaper product line to give it application visibility on the network. Palo Alto Networks has similar features built into its application firewall. The key here is understanding what's running on your network. While most administrators like to believe they understand what's on the network, without visibility on the application level, it's unlikely you actually know what's using up your network bandwidth.
Visibility and Control. Find out what's running on your network and stop it from eating up your valuable bandwidth and resources.
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