Failure symptoms
Failures related to the default configuration will manifest in two ways:
■Client applications may fail to receive data from a server. Examples include an FTP client, multimedia streaming software, and new mail notifications in some email applications.
■Server applications running on the Windows XP computer may not respond to client requests. Examples include a Web server such as Internet Information Services (IIS), Remote Desktop, and File Sharing.
✎Failures in network applications are not limited to firewall issues. RPC or DCOM security changes can cause failures. It is important to note whether the failure is accompanied by a Windows Firewall Security Alert indicating that an application is being blocked.
Resolution
With either of the failures mentioned above, you can add exceptions to the configuration for Windows Firewall. Exceptions configure the firewall to permit specific inbound connections to the computer.
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