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wildcard extension ASP.Net httphandler gives 401.3 ACL permission denied error on a directory

P: n/a
First a little background: I've written an httphandler to handle wildcard
extensions (i.e., I want to handle all URLs that come in rather than just
URLs w/ a specific file extension so I can give friendly names to various
dynamic web pages). To do this, I've written an httphandler and put it
in the web.config for my webapp (stored in the wwwroot\webapp directory).
It works great for the most part; I get to handle any URLs below my
webapp directory.

The problem is, when I use a URL that references the directory, IIS seems
to be prompting for a username/password (it's set to use anonymous and
Windows authentication). If I turn off Windows authentication, I just
get a 401.3 error code.

I used sysinternal's FileMon program and can see the aspnet process
trying to access \inetpub\wwwroot\webapp and that's why it's getting the
error. If I do a FileMon trace w/ wildcard extensions turned off, it's
the inetinfo process that accesses the \inetpub\wwwroot\webapp directory
instead of the aspnet process. I've tried adding the ASPNET user to
this directory w/ no luck. I've also tried logging in as a real user w/
admin access when the prompt comes up w/ no luck. I've tried adding a
default home document in IIS (e.g., default.aspx) so it should try
loading that if it hits that directory, but it doesn't do it. I put a
breakpoint in my custom httphandler and it never reaches it, so the
problem is definitely happening in the aspnet process; it also happens in
Win2K/XP/2003, so it's not operating system specific. If I access a URL
that would map to any real directory (e.g. localhost/webapp/subdir where
the \inetpub\wwwroot\webapp\subdir directory exists), it also prompts, so
this seems to only happen if the URL maps to a real directory.

Any clues on what I should try next?
Or is this just a bug in ASP.Net? :-(
There's very little documentation on writing wildcard httphandlers...


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Nov 19 '05 #1
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P: n/a
=?Utf-8?B?VmVua2F0X0tM?= <Ve******> wrote in
I am not very sound in this topic, but anyway you can go through the
following sites

Thanks. Been through those sites already. The closest match was
David Wang's site, but it doesn't apply in this case :-(
Nov 19 '05 #3

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