Proxy gateways - PowerPoint PPT Presentation

Firewalls

Firewalls. What is a firewall? A machine to protect a network from malicious external attacks Typically a machine that sits between a LAN/WAN and the Internet Running special software to regulate network traffic. ???. The Internet. ???. Local Network. Typical Use of a Firewall. Firewall.

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305 views • 29 slides

Access Control for Networks

Access Control for Networks. Problems: Enforce an access control policy Allow trust relationships among machines Protect local internet from outsiders attempting to: Obtain information, modify information, disrupt communications Solution: firewall

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414 views • 20 slides

Access Control for Networks

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231 views • 20 slides

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