Plesk port 8443 redirect from non-ssl to ssl fails in IE9

[StephanJ]

Hello,

We have a problem with Internet Explorer not properly redirecting from non-ssl-port 8443 to ssl-port 8443.

Environment:
- 10.4.4 Update #32
- Centos 6.2 x86_64

Problem:
- In IE9, load http://domain:8443
- IE9 displays 'The page cannot be displayed' and presents a button to 'diagnose the connection problems'.
- /var/log/sw-cp-server/error_log reports:
2012-06-05 09:30:27: (connections.c.299) SSL: 1 error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request
2012-06-05 09:30:27: (connections.c.299) SSL: 1 error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request
2012-06-05 09:47:55: (connections.c.299) SSL: 1 error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request
2012-06-05 09:48:05: (connections.c.299) SSL: 1 error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request

After several reloads, IE9 also forwards to the hostname with ssl on port 8443.

- All other browsers (Firefox, Chrome, Safari) forward to https://hostname:8443


It seems that the problem is a http-request on an ssl-port.

Can I configure a redirect in lighttpd for non-ssl to ssl on the same port or is there another solution?

We already had this problem in Plesk 9 and it still happens in Plesk 10, which we just upgraded to.

Any help is greatly appreciated. If you need more info/testing, just let me know.

Kind regards

-Stephan