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4. The Confirm Copy message box appears, stating that the folder you created to store the mandatory user profile in step 1 already exists and that the current contents will be deleted. This message appears because you already created the folder for the profile. Click Yes. 5. In the User Profiles dialog box, click OK. In the System Properties dialog box, click OK. Assigning a Mandatory User Profile to a User Account You assign a mandatory user profile to a user account by indicating the path to the folder you created to store the

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} finally { // Clean up, closing the context to log out context.close(); }

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choices for encryption, integrity algorithm, Diffie-Hellman group, and authentica tion process when you want more secure policies. If many choices are possible, there is always the possibility that a weaker algorithm will be used between peers even if the peers support the more secure choices. To ensure the strongest choices are used, remove all other choices.

mandatory user profile in the Profile tab in the Properties dialog box for the user account. To assign a mandatory user profile to a user account, complete the following steps: 1. Click Start, point to Administrative Tools, and then click Active Directory Users And Computers. 2. Expand the appropriate domain, and then click the appropriate OU. 3. In the details pane, double-click the user account(s) to which you want to assign the mandatory user profile. 4. In the Properties dialog box for a user account, click the Profile tab. 5. In the Profile tab, shown previously in Figure 7-9, in the Profile Path box, type the path to the folder you created to store the mandatory user profile, using the format \\Server_name\Shared_folder_name. Click OK. 6. Close the Active Directory Users And Computers console. Configuring a User Profile as Mandatory A hidden file in the profile called Ntuser.dat contains that section of the Windows Server 2003 system settings that applies to the individual user account and contains the user environment settings, such as desktop appearance. To configure a user profile as mandatory, you must make it read-only by changing the name of the Ntuser.dat file to Ntuser.man. To configure a user profile as mandatory, complete the following steps: 1. Click Start, and then click My Computer. 2. On the C drive, where C is the name of your system drive, double-click the folder where you stored the mandatory user profile. 3. Double-click the subfolder where you stored the mandatory user profile. 4. Click the Tools menu, then click Folder Options. 5. In the Folder Options dialog box, click the View tab. 6. In the View tab, shown in Figure 7-12, select Show Hidden Files And Folders, then clear the Hide Extensions For Known File Types check box. Click OK.

public void janitorCanOpenServiceDoor() throws NamingException { /* * This login and lookup code is specific to OpenEJB container */ // Log in via JNDI as "janitor" user final Context context = this.login(USER_NAME_JANITOR, PASSWORD_JANITOR); try {

Back up IPSec policies by creating a persistent policy There is no default way to require that a local policy take over if a domain policy cannot be downloaded or assigned To counter the lack of backup, create a persistent policy by using netsh and establish a persistent policy that at least provides minimum pro tection Audit IKE activity for testing purposes or to log its use Track success and failure of IKE negotiations by auditing logon events for success and failure in the audit policy of the computers that are using IKE Consider the impact of auditing IKE Where IPSec is used extensively, a large number of records will be collected If they are not reviewed or used, they might simply clutter and fill the security log Consider requirements for ping.

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7. In the window for the subfolder where you stored the mandatory user profile, click Ntuser.dat. Click the File menu, then click Rename. 8. Change the extension of the Ntuser.dat file to Ntuser.man, then press Enter. 9. Close the window for the folder.

Do you want ping to be allowed Ping is used in various troubleshooting scenarios and to determine whether a system is reachable on the network If ping is blocked by the policy, these uses are lost Consider routers and firewalls IPSec traffic is formed in the normal manner and will happily be routed by routers However, if a firewall or router is blocking all traffic and only allowing specific protocols through, the firewall or router must be configured to allow IPSec Consider interruptions to communications when policies are configured or modified Do not schedule changes or implementation at peak network usage times, and test before being implemented Test authentication methods before rolling out an IPSec design Authentication can be tricky The time to find this out is during the testing phase IPSec policies can be assigned at the OU level.