How do I configure a site in IIS 7 for SSL with a wildcard certificate?
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michielvoo
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Published on 2011-03-04T17:09:58Z
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2011/03/06
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We have an Windows 2008 server with IIS 7 to test sites we develop for our clients. Each site has a binding on a subdomain:
- clienta.example.com
- clientb.example.com
- clientc.example.com
(* Using example.com to protect the innocent)
For one of these sites we now have to test if it works over https.
So I have created a wildcard certificate request with *.example.com as the common name. I have received the certificate (issued by PositiveSSL SA) and completed the request. The certificate is now installed in IIS.
Now I have added an https binding to the second site with the following settings:
type: https IP address: All Unassigned Port: 443 Host name: clientb.example.com SSL certificate: *.example.com
Browsing the site over regular http works fine. When I try to browse the site over https I get the following errors (depending on the browser used):
Chrome
This webpage is not available Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error.
Firefox
Unable to connect Firefox can't establish a connection to the server at clientb.example.com Firebug says Status: Aborted
Internet Explorer
Internet Explorer cannot display the webpage
I have checked Failed Request Tracing, and according to the log the request was completed with status 200.
I have run the SSL Diagnostics Tool with the following result:
System time: Fri, 04 Mar 2011 14:04:35 GMT
Connecting to 192.168.2.95:443
Connected
Handshake: 115 bytes sent
Handshake: 3877 bytes received
Handshake: 326 bytes sent
Handshake: 59 bytes received
Handshake succeeded
Verifying server certificate, it might take a while...
Server certificate name: *.example.com
Server certificate subject: OU=Domain Control Validated, OU=PositiveSSL Wildcard, CN=*.example.com
Server certificate issuer: C=GB, S=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=PositiveSSL CA
Server certificate validity: From 2-3-2011 1:00:00 To 2-3-2012 0:59:59
1:00:00 To 2-3-2012 0:59:59
HTTPS request:
GET / HTTP/1.0
User-Agent: SSLDiag
Accept:*/*
HTTPS: 85 bytes of encrypted data sent
HTTPS: 533 bytes of encrypted data received
Status:
HTTP/1.1 404 Not Found
HTTP/1.1 404 Not Found
Content-Type: text/html; charset=us-ascii
Server: Microsoft-HTTPAPI/2.0
Date: Fri, 04 Mar 2011 14:04:35 GMT
Connection: close
Content-Length: 315
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
<HTML><HEAD><TITLE>Not Found</TITLE>
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=us-ascii"></HEAD>
<BODY><h2>Not Found</h2>
<hr><p>HTTP Error 404. The requested resource is not found.</p>
</BODY></HTML>
HTTPS: server disconnected
Final handshake: 37 bytes sent successfully
Q: What can I do to make this work?
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