Microsoft KB Archive/258510

= INFO: Office Web Components Display Cross-Domain Warning =

Article ID: 258510

Article Last Modified on 1/27/2007

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APPLIES TO


 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.0
 * Microsoft Internet Explorer 4.01 Service Pack 1
 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.0
 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.0
 * Microsoft Internet Explorer 4.0 128-Bit Edition
 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.0
 * Microsoft Internet Explorer 4.01 Service Pack 1
 * Microsoft Internet Explorer 5.0
 * Microsoft Office Web Components
 * Microsoft Office PivotTable Component 9.0 1.0
 * Microsoft Office Chart Component 9.0
 * Microsoft Office Spreadsheet Component 9.0

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This article was previously published under Q258510



SUMMARY
Office Web Components display one of the following Cross Domain warning messages when accessing data from a domain other than the one from which the Web page originates:

This page accesses data on another domain. Do you want to allow this?

This Web site uses a data provider that may be unsafe. If you trust the Web site, click OK, otherwise click Cancel.

To avoid this message in Microsoft Internet Explorer, you can add a secure Web site to your Trusted Sites zone on the Security tab of the Internet Options dialog box.



MORE INFORMATION
The purpose for the alert is to prevent a Web page author from directing users to a potentially malicious page that uses the security context of the user to access data for which the author does not have access.

If the Web page comes from a source that you trust, you can turn off this warning.

Using Internet Explorer 4.0

 * 1) In Internet Explorer 4.0, click View, and then select Internet Options.
 * 2) Click to select Trusted Sites zone on the Security tab in the zone settings.
 * 3) Click the Add Sites button.
 * 4) Add the URL for the site from which the Web page originates.

Using Internet Explorer 5

 * 1) In Internet Explorer 5, on the Tools menu, click to select Internet Options.
 * 2) On the Security tab, click to select Trusted Sites in the Web content zone.
 * 3) Click the Sites button.
 * 4) Add the URL for the site from which the Web page originates.

