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A firewall is a network security device that grants or rejects network access to traffic flows between an untrusted zone (e.g., the Internet) and a trusted zone.
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An IT Security Policy identifies the rules and procedures for all individuals accessing and using an organization's IT assets and resources.
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URL filtering limits access by comparing web traffic against a database to prevent empoyees from accessing unproductive, harmful sites such as phishing pages.
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A Virtual Private Network (VPN) uses a public network—such as the Internet—to enable remote users and sites to connect securely to the corporate network.
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A port scan is a method for determining which ports on a network are open. Port scanning is analogous to knocking on doors to see if someone is home.
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Quality of Service (QoS) is a set of technologies that work on a network to guarantee its ability to dependably run high-priority applications and traffic.
When security policies for data center environments are first created and deployed to firewalls, it's assumed that the assigned IP address will remain the same throughout the life of the policy.
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