Author: David WangDavid Wang Date: Jul 18, 2008 18:45
On Jul 18, 12:55Â pm, Ryan Hanisco
discussions.microsoft.com> wrote:
> Everyone,
>
> I have a client that has a wildcard cert on a load balancer in front of a
> server farm. Â One of the webs that is hosted on this farm uses Client Certs
> for authentication. Â Unfortunately, the issue arises that the load balancer
> (F5) decrypts SSL handing only port 80 to the back-end web servers. Â Under
> this configuration, the client certs are never checked as the inbound traffic
> is HTTP only. Â Now we can use the internal CAs to issue the server certs and
> pass the HTTPS all the way to the IIS instance... Â but then this has the
> problem of causing the unauthorized cert warning to be displayed.
>
> Further, this is posing a particular issue when obtaining the user cert as
> Vista clients will not accept a cert unless the decrypt is happening in IIS
> and has no way of detecting that the connection is secure, but through the
> load balancer.
>
> I am looking for some kind of direction here of how to do this correctly
> while still using the wildcard that is supporting the farm. ...
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