Managing Programs and Features in Windows Vista - Viewing and Managing Network-Connected Programs
(Page 3 of 5 )
As Figure 4-13 shows, you view programs that are connecting to the local area network (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 several 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 providers 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
Figure 4-13. Viewing your network-connected programs
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-connected 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 process 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.
Next: Viewing and Managing Local Service Providers >>
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 This article is excerpted from chapter four of the book Windows Vista: The Definitive Guide, written by William R. Stanek (O'Reilly, 2007; ISBN: 0596528000). Check it out today at your favorite bookstore. Buy this book now.
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