9781111640125_IM_ch03

Security+ Guide to Network Security Fundamentals

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Answer: ping flood 2. True or False: Man-in-the-middle attacks cannot be conducted on networks. Answer: False 3. ____ are privileges that are granted to users to access hardware and software resources. Answer: Access rights Teaching Tip Remind students that due to its popularity in small-medium businesses, the DNS server in Microsoft Windows Server has received a lot of attention from DNS poisoning attacks.
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Security+ Guide to Network Security Fundamentals, Fourth Edition 3-7 4. True or False: Transitive access is an attack involving using a third party to gain access rights. Answer: True Class Discussion Topics 1. Discuss why it is so important for all application builders to always check data received from unknown sources, such as Web applications, before using that data. 2. Why should Web site operators that allow users to add content, for example forums or blogs, carefully and consistently patch and configure their systems? Additional Projects 1. Ask your students to research the current attacks against Web clients, such as Flash- based click-through attacks. 2. Ask your students to read more about ActiveX and write a report explaining its more important vulnerabilities and security issues. Additional Resources 1. What is an ActiveX control? 2. Buffer Overflow 3. Script Injection 4. XSS 5. Understanding Script Injection Attacks Key Terms add-ons Programs that provide additional functionality to Web browsers. Address Resolution Protocol (ARP) Part of the TCP/IP protocol for determining the MAC address based on the IP address. ARP poisoning An attack that corrupts the ARP cache.
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Security+ Guide to Network Security Fundamentals, Fourth Edition 3-8 attachments Files that are coupled to e-mail messages. buffer overflow An attack that occurs when a process attempts to store data in RAM beyond the boundaries of a fixed-length storage buffer. client-side attack An attack that targets vulnerabilities in client applications that interact with a compromised server or processes malicious data. cookie A file on a local computer in which a server stores user-specific information. command injection Injecting and executing commands to execute on a server. cross-site scripting (XSS) An attack that injects scripts into a Web application server to direct attacks at clients. denial of service (DoS) An attack that attempts to prevent a system from performing its normal functions. directory traversal An attack that takes advantage of a vulnerability in the Web application program or the Web server software so that a user can move from the root directory to other restricted directories. distributed denial of service (DDoS) An attack that uses multiple zombie computers (even hundreds or thousands) in a botnet to flood a device with requests.
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  • HTTP cookie, Code injection, Network Security Fundamentals

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