Anonymous logon and ISAPI in IIS 5

From: Alex (Alex_at_discussions.microsoft.com)
Date: 09/24/04


Date: Fri, 24 Sep 2004 10:25:03 -0700

Hi. I have a website configured for windows integrated authentication with
Anonymous access enabled (using default IIS anonymous user account). On this
website I have "isapi" sub-folder and in it "MyIsapi.dll". Directory/file
security for both is the same as for the rest of the site. NTFS permissions
for "MyIsapi.dll" allow all access to Everyone group. I think with these
settings Anonymous logon should be possible, but it's not. When I connect to
isapi dll using Internet Explorer from a machine other than the server, I get
401.3 error - "Access denied by ACL on resource". A couple of other
quirks... The server runs Windows 2000 server. It's a domain controller and
part of a 2-machine Microsoft cluster. Active directory is enabled and
that's where all user accounts are configured. The Web site is a clustered
resource. So is the disk on which the files for the web site are located. It
is a local disk, i.e. web site doesn't point to any shares. I am able to
access all other files on the site, but IIS refuses to load MyIsapi.dll
anonymously.

If I connect from the server machine, it works and MyIsapi.dll is loaded
into memory. After that I can connect anonymously from other machines, until
IIS is restarted or decides to clear MyIsapi.dll from memory cache for some
reason.

Is anything wrong with my security settings? Please help!!! I appreciate
any suggestions.

Thank You very much



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