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To further practice and reinforce the skills you learned in this chapter, you can complete the following tasks:
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Review the chapter summary. Review the list of key terms introduced in this chapter. Complete the case scenarios. These scenarios set up real-word situations involving the topics of this chapter and ask you to create a solution. Complete the suggested practices. Take a practice test.
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Summary
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Physical server security is about ensuring that attackers are unable to physically access a server. Server room doors should use two-factor authentication, record a log, and lock when several authentication failures occur in a row. Server rooms should always use halon-based fire suppression technology. Backup tapes should be stored securely in a fireproof safe. SQL Server should never be directly exposed to the Internet. It should always be installed on a network that is protected from the Internet by at least one firewall. The best defense against SQL Server injection attacks is validating input before it reaches SQL Server. The best defense against virus and worm attacks is ensuring that virus definitions are up to date and that the most recent service packs and hotfixes have been applied. Blocking attacking IP address ranges and pausing the SQL Server service are two strategies that can halt denial of service attacks early.
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Key Terms
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denial of service (DoS) attack halon injection attack
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Case Scenarios
In the following case scenarios, you will apply what you ve learned in this chapter. You can find answers to these questions in the Answers section at the end of this book.
Case Scenario 1: Physically Securing a Server Room
You are responsible for the security of database servers at Contoso Corporation. Contoso has just moved into a new building. A small room in the basement, which was previously used as a storeroom, will now function as a server room and will host the Contoso database servers. You have been tasked with ensuring that this new server room has adequate physical security. With this in mind, answer the following questions: 1. What will you need to remove from the basement room before installing the servers 2. What design elements should the door lock include 3. When the door to the server room is secured, what other possible entry points to the room should you also check
Case Scenario 2: Responding to a Denial of Service Attack
After your organization was hit by a denial of service attack on its Web server, management decided that the company must develop a response plan for denial of service attacks on all servers critical to the company s operation. As the senior database administrator, you are responsible for developing the denial of service attack response plan for the company s three computers running SQL Server 2005 Enterprise Edition. Developing this denial of service attack response plan involves you knowing the answers to the following questions: 1. Before a server reaches the stage of becoming unresponsive, what tools can you use to diagnose a denial of service attack in its early stages 2. If the server has become non-responsive to the point where standard tools cannot be used to gracefully shut down SQL Server, what strategy should be pursued
12 Review
Suggested Practices
To help you successfully master the exam objectives presented in this chapter, complete the following practice tasks:
Performing a Security Audit of the Existing Security Infrastructure Based on the Security Plan
Practice 1: Document physical server security. Using t he points outlined in Lesson 1, Auditing the Existing Infrastructure, document improvements that could be made to the physical security of the SQL Server servers in your organization. Practice 2: Create a baseline security analysis. Use the Security Configuration and
Analysis tool to generate a baseline analysis of the security of a SQL Server 2005 computer. If possible, perform the analysis on one of the servers at your organization; otherwise, use one of the practice SQL Server servers.
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