FP: How to Assign IP Restrictions in FrontPage

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This article was previously published under Q156981

For a Microsoft FrontPage 98 version of this article, see 194166 (http://support.microsoft.com/kb/194166/EN-US/ ) .

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SUMMARY

In order to restrict end user access to specific IP addresses in FrontPage, the Author and Administrator IP restrictions must be at least as rigorous as the End User restrictions.

In FrontPage Explorer, if you click the End User tab in the Web Permissions dialog box (on the Tools menu, click Permissions) and apply an IP address restriction, FrontPage may still allow browsing to the Web from a restricted IP address.

MORE INFORMATION

The security model of FrontPage assumes each successive group (End Users, Authors, and Administrators) is comprised of a subset of members from the group below it. In other words, all Authors must be End Users, and all Administrators must be Authors. This allows Administrators to automatically have authoring and browsing rights, and allows Authors to also browse the Web. Because authoring and administration of a FrontPage Web must be done through a browsing session, any IP restriction applied to End Users must also apply to the Administrators and Authors groups to prevent browsing. FrontPage doesn't challenge the user for a name and password to grant access to a higher level of permission until an authoring operation is attempted; therefore, all accounts initially are connected to the Web server with End User security.

FrontPage offers the capability to define a separate IP restriction to each group, but each successive level must have an equal or tighter restriction. Because Administrators also have the right to author and browse, and since authors also have the right to browse, it may be helpful to think of the IP restrictions settings as being cumulative. For example, in a Web with the following IP restriction

   Administrators: *.*.*.*
   Authors:        244.24.*.*
   End Users:      244.24.57.*

End Users will be able to browse from any computer on the network. Another way to interpret the above table is as follows:

   244.24.57.*  is granted the right to browse
   244.24.*.*   is granted the right to browse and the right to Author
   *.*.*.*      is granted the right to browse, the right to author, and
                the right to administer

If the FrontPage Web has the following restrictions,

   Administrators: 244.24.57.*
   Authors:        244.24.*.*
   End Users:      244.24.*.*

then only End users with IP addresses beginning with 244.24 can browse the Web, Authors can only come from 244.24.*.*, and Administrators can only come from 244.24.57.*. Another way to interpret the IP restrictions above is as follows:

   244.24.*.*   is granted the right to browse
   244.24.*.*   is granted the right to browse and the right to author
   244.24.57.*  is granted the right to browse, the right to author, and
                the right to administer

Note: The Microsoft Internet Information Server does not grant the right to assign IP restrictions on a per directory basis. The IP restrictions dialog box on a FrontPage Web being hosted on an IIS server will be disabled.

APPLIES TO

Microsoft FrontPage 97 Standard Edition
Microsoft FrontPage 1.1 Standard Edition

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kbinfo kbnetwork KB156981

Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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