We are using DNN 6.02.07 and the DDR menu provider. When users navigate using this menu in IE 8 in an https site, they receive a security warning regarding mixed content between http and https content. I have searched my site extensively for any mixed content and it really comes down to the ddr menu itself. When I remove the menu, the warning go way. Does anyone have any ideas here? We would like to upgrade to DNN 7, but we can't at the moment.