Though firewalls remain a critical security component, they are no longer the best type of device to deploy as the networkís first line of defense. Attackers know the limitations and have devised attacks that can evade or overwhelm a firewall other security devices. In order to allow these important devices to do their intended jobs, a new First Line of Defense must be deployed to eliminate the unwanted traffic from the network before it reaches the network. When the unwanted or malicious traffic noise is blocked, the internal network infrastructure can proceed unimpeded to allow the good customer traffic to have controlled, secured and streamlined access to the critical business applications and data.
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