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Jan-Willem,

On 12/13/11 9:27 AM, jwklomp wrote:
> I'm having a problem that the all request get redirected from https
> to http.

Do you mean that requests to https://host/path get redirected (with a
30x response) to http://host/path? Or do you mean that URLs that your
webapp builds and puts onto pages are http://host/path and not
https://host/path?

How have you connected IIS to Tomcat? Are you using mod_jk (AJP
protocol) or are you using HTTP proxying?

> I'm assuming this is because the application is listening on the
> Tomcat default http port.

The port number is not relevant.

> As the communication between the LB and IIS/Tomcat is http I don't 
> think I can change this(?).

Well, that depends upon what you want to do. You can:

1. Use HTTPS between IIS and Tomcat. You should do this if you either
   don't trust the network between the lb and your app server, or if
   you are working with very sensitive data and *shouldn't* trust your
   network.

2. Secure the communication in other ways (essentially, use non-HTTP SSL
   between the endpoints). See reasons from #1 above. This is more
   complicated but might get you a tiny bit of extra performance.

3. Configure your server such that HTTP traffic behind the lb is
   considered to be HTTPS. Chuck pointed out that using secure="true"
   on the connector accomplishes this, and it's appropriate to use
   this configuration for this case: that's what it's there for.

> Is there a way to prevent this redirect from https to http? Or is
> this only possible if the certificate is installed in Tomcat and
> Tomcat listens on a https port?

Nope, SSL termination at the lb is standard operating procedure. You
just have to configure things appropriately.

- -chris
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