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Windows Vista Security: Praxisorientierte Sicherheit für Profis by Marcus Nasarek

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Chapter 4: Installing, Configuring, and Maintaining Software
While you can enable, disable, and remove startup programs from your account and
you may not need administrator permissions, you must have administrator permis-
sions to manage startup programs configured for other, or all, users on your computer.
You can enable, disable, and remove startup programs by following these steps:
1. Click Start, click All Programs, and then click Windows Defender.
2. On the Windows Defender toolbar, click Tools and then click Software Explorer.
3. In Software Explorer, the Startup Programs option is selected in the Category list
by default. Click a startup program in the left pane.
4. If the program is configured as a startup program for your account, you can
enable, disable, or remove it using the option buttons provided.
5. If the program is configured as a startup program for another user or for all
users, the Remove, Disable, and Enable buttons will be dimmed so that you can-
not select them. Before you can use these options, you must click “Show for all
users,” and then provide consent or credentials when prompted.
6. If you are disabling or removing a startup program, you will need to confirm this
when prompted by clicking Yes.
Viewing and Managing Network-Connected Programs
As Figure 4-13 shows, you view programs that are connecting to the local area net-
work (LAN), the Internet, or both by selecting the Network Connected Programs
option on the Category list in Software Explorer. In the Name list, programs are
listed by name according to the software publisher. The process ID number of the
main process under which the program is running follows the program name.
You can use Software Explorer to work with your network-connected programs in sev-
eral ways. You can view details about a network-connected program’s configuration by
clicking the program in the left pane. The details provided for Winsock service provid-
ers include similar details to running programs. Additional details you’ll see include:
Foreign Address
Lists the remote Internet Protocol (IP) address and port number being used by a
particular protocol (if any)
Local Address
Lists the local IP address and port number being used by a particular protocol (if
any)
Protocol
Lists the Transmission Control Protocol/Internet Protocol (TCP/IP) being used
by the program
State
Lists the state of the port being used, such as whether it is listening for incoming
requests
Managing Software Once It’s Installed
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You can also use Software Explorer to stop or block incoming connections to a
network-connected program. While you can view and work with network-con-
nected programs you started, you must have administrator permission to view and
work with network-connected programs started by other user or system accounts.
To view network-connected programs for other users and the operating system,
click “Show for all users.” When prompted, provide consent or credentials. You’ll
then be able to view and work with all network-connected programs.
When you select a program or process in the left pane, you can terminate the pro-
cess by clicking End Process and then clicking Yes when prompted to confirm the
action. When you select a program and then click Block Incoming Connections, you
can prevent network users from connecting to the program.
Figure 4-13. Viewing your network-connected programs

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