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Help: Configure ICMP exceptions

Updated: January 21, 2005

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

To configure ICMP exceptions

  1. Open Windows Firewall, and click the Advanced tab.

  2. In ICMP, click Settings.

  3. In the ICMP Settings dialog box, select the check box for each ICMP setting that the computer should respond to, or clear the check box for each ICMP setting that the computer should not respond to, and then click OK.

Notes

  • To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure.

  • To start Windows Firewall, click Start, point to Control Panel, and then click Windows Firewall.

  • You can also use the netsh command with the firewall context to perform this procedure and configure other Windows Firewall settings.

  • You can also use Group Policy settings to perform this procedure and configure other Windows Firewall settings.

  • You can configure Windows Firewall settings in the standard profile or the domain profile. The domain profile is used when a computer is connected to a network in which the computer's domain account resides. The standard profile is used when a computer is connected to a network in which the computer's domain account does not reside, such as a public network or the Internet. Make sure Windows Firewall is using the correct profile when you perform this procedure.

  • If a Windows Firewall setting appears dimmed in the graphical user interface, and on the General tab, you see For your security, some settings are controlled by Group Policy, the setting might be managed by Group Policy. If all Windows Firewall settings appear dimmed, and on the General tab, you see You must be a computer administrator to change these settings, you do not have administrative rights to configure Windows Firewall.

  • On Windows Server 2003, Windows Firewall is turned off by default and the Windows Firewall/Internet Connection Sharing service is disabled by default. You might have to start the Windows Firewall/Internet Connection Sharing service if you try to perform this procedure and you have never started Windows Firewall.

  • Windows Firewall is not included in the original release of the Windows Server 2003 operating systems.

  • You can also configure ICMP exceptions on a per-connection basis.

  • If you clear the Allow incoming echo request check box to prevent your computer from responding to ping traffic, you might also have to configure the remote administration exception and the File and Printer Sharing exception so that incoming traffic is not allowed on TCP port 445. These exceptions open TCP port 445, which allows incoming echo request traffic.

  • You can enable other computers to reach your computer with the ping command by selecting the Allow incoming echo request check box.

  • You should configure scope options for any exceptions that you enable.

See Also

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