Microsoft Windows NT 4.0 Guide Manual de usuario descargar pdf (Pagina 98)

Microsoft

Windows Server

™

2003 White Paper

Windows NT 4.0 Server Upgrade Guide 93

application. It is much less desirable than the newer worker process isolation mode described

below.

IIS 5.0 isolation mode does not provide the ability to take advantage of application recycling or

application pools. As Figure 43 shows, no Application Pools folder appears when a server is

configured with IIS 5.0 isolation mode.

Figure 43. IIS 5.0 isolation mode

Worker Process Isolation Mode

Worker process isolation mode is the completely new, architected process model of IIS 6.0 and is

the preferred setting on all computers. This mode allows you to run each virtual directory in its

own isolated process if you want. In this mode, processes run under the NetworkService account

by default instead of the LocalSystem account. The NetworkService account is granted far fewer

rights. As a result, a system is less likely to become comprised when running in this mode.

In worker process isolation mode, you can change your identity to any one of the three built in

accounts—LocalSystem, LocalService, NetworkService—or a user of your choice. If you create

an account of your own, make sure that you add that account to the new IIS_WPG group, the

group used by access control lists for IIS resources.

Configuring the IIS Isolation Mode

Figures 44 and 45 show the differences between the two isolation modes.

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Microsoft Windows NT 4.0 Guide Manual de usuario Pagina 98