To manage service definitions for ICF or ICS

1. Open Network Connections.
2. Right-click the shared Internet connection or the Internet connection on which Internet Connection Firewall (ICF) or Internet Connection Sharing (ICS) is enabled, and then click Properties.
3. On the Advanced tab, click Settings.
4. On the Services tab, do one of the following:
• If you want to enable a service, under Services select the check box next to service that you want to enable, and then enter the required information.
• If you want to add a service definition, click Add, and then enter the required information.
• If you want to edit a service definition, click the service that you want to edit, click Edit, and then change the appropriate information.
• If you want to delete a service definition, click the service that you want to delete, and then click Delete.

Caution

• This feature is intended for advanced users. When you add or edit a service definition, you create a port mapping that can expose your network to the Internet. For more information about service definitions, see Related Topics.

Notes

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• Before you can add, edit, or delete service definitions, you must enable ICF, ICS, or both.
• You can obtain the correct configuration values for the TCP or UDP port number from the service's documentation or Web site.
• No two service definitions can use the same port numbers simultaneously.
• For service definitions that are preconfigured, you can edit only the field that is labeled Name or IP address of the computer hosting this service on your network.
• For service definitions that you have added, you can edit only the fields that are labeled Name or IP address of the computer hosting this service on your network, External Port number for this service, and Internal Port number for this service.
• You can delete only the service definitions that you have added. You cannot delete service definitions that are preconfigured.
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Related Topics