Note The target audience for this article is Website administrator. If you are an end-user, you have to contact the Website administrators in order to let them know that this error has occurred for this URL address.
We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/prodtech/IIS.mspxFor more information about IIS 7.0, visit the following Microsoft Web site:
In this article
You have a Web site that is hosted on Internet Information Services (IIS). When you visit the Web site in a Web browser, you may receive an error message that resembles the following:
HTTP 403.6 - Forbidden: IP address rejected
Each client has a unique IP address. If the server defines a list of IP addresses that are not allowed to access the site and the IP address you are using is on this list, you will receive the error message.
This is a feature that grants or denies specific users access to a Web site, directory, or file.
To resolve this problem, follow these steps.
If the product documentation was installed with IIS, one of the following links will be available when viewed on the IIS server:
Internet Information Services 5.0 Documentation
Internet Information Server 4.0 Documentation
For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/172218/ )Microsoft TCP/IP host name resolution order
(http://support.microsoft.com/kb/163391/ )Troubleshooting problems communicating with a server on the Internet using a dial-up networking connection in Windows 2000, Windows NT 4.0, or Windows NT