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Protecting the Next Generation Network -Distributed Firewalls

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Abstract
Corporate networks are constantly changing to meet the needs of businesses and continue to expand in ways that we couldn't have imagined only a few years ago. Gone are the days of a closed network with one external point of access. With the expansion of high speed Internet access via DSL and cable modems, users can now work from home using VPNs. Many companies are expanding their networks even farther with wireless technology allowing access for devices that aren't even physically connected to the network. Suddenly the networks with one or two points of access now have multiple points of access that can change from day to day. Many people think their network is protected because they only use VPN for remote access. But, how secure are the devices on the end of the VPN connection? If the hacker compromises the end user's machine, they can then use the machine to connect to your corporate network. This is what happened to Microsoft in October of 2000 using an employee's home computer. Securing these new networks requires a different approach, which distributed firewalls provide.
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