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I've got a site that is using an Execute URL in the 403.4 error page slot that calls a page named forcessl.aspx. Here's the contents of the file:

strWork = Replace(strQUERY_STRING, "http", "https") strWork = Replace(strWork, "403;", "") strWork = Replace(strWork, "80", "") strSecureURL = strWork Response.Write(strSecureURL) Response.Redirect(strSecureURL) Catch ex As Exception End Try End If %>

This particular site gets a 401.1 error if https:// is not added to the URL. I have several other sites using the same method that work fine and this one mirrors those in all ways that I can tell (folder permissions, etc). This new site is just a subdomain of the same domain that the other sites are using. The main domain has a wildcard SSL cert.

From Microsoft's documentation, here is the meaning of the errors:

403.4

HTTP Error 403.4 - Forbidden: SSL Is Required To View This Resource

401.1

HTTP Error 401.1 - Unauthorized: Access is denied due to invalid credentials

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  • You could probably easily fix this with a rewrite rule to redirect error pages to https. I think that is what you are trying to accomplish?
    – Frank
    Sep 22, 2014 at 12:38
  • I'd never heard of 403.4 or 401.1 errors. The decimal point on them seems to be a Microsoft invention for keeping different reasons for those errors straight. I've added information about the errors to the question. Nov 14, 2014 at 15:27

1 Answer 1

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I finally found the solution to this problem.

When setting up the site I had done everything but put the site in the bindings for the domain. I hadn't added the subdomain.mysite.com to the bindings for port 80.

I had forgotten this because since I was forcing everything through port 443 with a rewrite, I didn't think I needed to add it. In digging around for the solution I saw that all the other subdomains were in the bindings and this one wasn't.

A simple little thing caused 6 months of frustration. What was weird is that it worked for some people, but not for others if you tried to access it through HTTPS.

Always learning.

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