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Security templates are useful tools in network security management. An easy way to work with them is to create a console that includes access to them, as well as a way to apply them and analyze the resulting security policy. You can perform this task by cre ating a console and adding the Security Templates snap-in and the Security Configura tion And Analysis snap-in.

In this exercise, you create a console within which you can view, configure, or copy security templates, add a new folder to hold a different location for templates, and apply a security template to a computer. Working with the templates in the console will not change security on the computer.

Identify techniques that will prevent people from replacing critical application components with malicious code. The technique must allow you to use Proseware s classes without enabling anyone outside of Proseware to impersonate their assembly.

To create a Security Configuration And Analysis console 1. From the Start menu select Run, type MMC, and click OK. 2. From the File menu, select Add/Remove Snap-In. 3. In the Add/Remove Snap-In dialog box, click the Add button, as shown in Figure 11-1.

Provides up to 10 customizable counters that you can implement using the sp_user_counterx stored procedure (where x is a number from 1 through 10). These counters can be used to track customized tasks. For example, if you have a table that holds items in a queue, a user-settable query counter can indicate when the count in the queue table becomes unacceptably high. You can use the counter to trigger an alert that could send you an e-mail or correct the situation (or both). Note that updating this counter frequently can slow down your server.

Figure 11-1

Implementing Secure Network Administration Procedures 11-15

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4. From the Add Standalone Snap-In dialog box, select Security Templates. Then click Add, as shown in Figure 11-2.

Figure 11-2

Exam Tip A very large number of performance counters exist, and nobody could reasonably expect you to memorize all of them. Examination questions typically focus on the most widely used counters, such as those listed in this chapter. If you see a counter you have never heard of before in an exam question, it is probably not the correct answer.

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5. Select the Security Configuration And Analysis snap-in, click Add, and then click Close. 6. Click OK to add the snap-in to the console. 7. To save the console, from the File menu select Save As. Type Security Configu ration Management. Then click Save.

To prepare a location for custom security templates and add it to the console 1. In Windows Explorer, create a new folder named Custom Templates. 2. Open the Security Configuration Management console. 3. Right-click Security Templates, and from the shortcut menu select New Template Search Path. 4. Select the Custom Templates folder and click OK.

Best practices recommend never modifying default templates. Instead, new templates or copies of current ones are placed in a separate location and then used to create custom templates. Consequently, you always have the default templates, and because custom tem plates are stored separately, it is easier to copy them and store originals in a safe place.

Answer the following questions for your boss. 1. How can Proseware make it more difficult for an attacker to create classes that impersonate their assembly 2. How can Margie s Travel reduce the risk of a developer injecting malicious code into an application 3. If Proseware, Inc., uses strong names, what resource would an attacker need access to so that she could impersonate one of the libraries

The new folder appears in the Security Configuration Management console, as shown in Figure 11-3.

11-16

Data for the SQL Server counters is stored in the sysperfinfo system table in the master database. Only the first 99 databases are stored in the table.

11

Summary

Figure 11-3

In this exercise, you develop your own custom templates. You select a default template that is close to the template you need, copy it, and then make adjustments to the copy. The Securews.inf template has some setting changes that strengthen network commu nication security. 1. In the Security Templates console, right-click the Securews.inf security template and select Save As. 2. Browse to the Custom Templates folder created previously. 3. Type test1 for the new template name and click Save.