Chapter 2 Goals After completing this chapter, you will be able to: • Defi ne fi rewalls • Explain the need for fi rewalls • Describe types of fi rewalls, including network router/interface fi rewall, hardware appliance fi rewall, and host software fi rewall • Explain standard fi ltering methods, including
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• Define firewalls • Explain the need for firewalls • Describe types of firewalls, including network router/interface firewall, hardware appliance firewall, and host software firewall • Explain standard filtering methods, including static packet filtering, NAT services, application proxy filtering, circuit proxy filtering, dynamic packet filtering,
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Charter/Request for Proposal to include a Statement of Work ƒ Work Breakdown Structure (WBS) ƒ Microsoft Project 2003 documentation ƒ Logical network diagram (MS Visio) ƒ Router diagram with IP subnets illustrated (MS Visio) ƒ Router configuration ƒ Active
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A hub is typically the least expensive, least intelligent, and least complicated of the three. Its job is very simple anything that comes in one port is sent out to the others. That’s it. If a message comes in for computer “A”, that message is sent out all the other ports, regardless of which one computer “A” is on. And when computer “A” responds, its response also goes out to every other port on the hub. Every computer connected to the hub sees everything that every other computer on the hub sees
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a mechanism for addressing these end devices. If individual pieces of data are to be directed to an end device, that device must have a unique address. In an IPv4 network, when this address is added to a device, the device is then referred to as a host. Encapsulation = Second, the Network layer must provide encapsulation. Not only must the devices be identified with an address, the individual pieces - the Network layer PDUs - must also contain these addresses. During the encapsulation process, Layer
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Ethernet switches provide basic management, security, and quality-of-service (QoS) features beyond those of an unmanaged or consumer-grade switch, at a lower cost than managed switches. And with an easy-to-use web user interface, Cisco Discovery Protocol and Cisco Smartports you can deploy and configure a rock-solid business network in minutes. Business Applications W hether you need basic high-speed connectivity for your computers and servers or a comprehensive voice, data, and wireless technology
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technology (IT) services and has requested a proposal with a detailed description of each service being provided. Secure networking and security mechanisms are already established, and the deployment proposal is focused on the server installation, configuration, and services. New Features of Windows Server 2012 Site-to-site VPN Gateway The VPN gateway allows the administrator to implement site-to-site connectivity to multiple external sites by the use of a single VPN link (Resseler, 2013). This
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edhat® ® Te r r y C o l l i n g s & K u r t W a l l UR ON IT OOLS IN Y T C E CD-R L TH O ED UD M Linux Solutions from the Experts at Red Hat ® ® P R E S S™ SEC Red Hat® Linux® Networking and System Administration Red Hat® Linux® Networking and System Administration Terry Collings and Kurt Wall M&T Books An imprint of Hungry Minds, Inc. Best-Selling Books G Digital Downloads G e-Books G Answer Networks e-Newsletters G Branded Web Sites G e-Learning New York
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content in Multiple 2 ________ Choice applications. (hide) (regrade) Answer Points 20 1.9 95% .34 .436 .097 (hide) # % Web 2.0 WWW WWW 2.0 streaming media 2 0 0 0 19 0 1 0 95 0 5 0 3: Which of the following is a host when it is on a network? (hide) (regrade) Answer Multiple 2 Choice 20 1.7 85% .17 .714 .160 (hide) Points # % A client PC. A server. A mobile phone. All of these 0 0 0 2 2 1 0 17 10 5 0 85 4: To emphasize
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INTERNET TECHNICAL DETAILS ........................................................................................................................ 2 1.1.1 TCP/IP : Transmission Control Protocol/Internet Protocol ............................................................................ 2 1.1.2 UDP:User Datagram Protocol............................................................................................................................ 2 1.1.3 Internet Addressing ............................
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