[Sussex] Switching from HTTP to HTTPS

[Nico Kadel-Garcia]

Brendan Whelan wrote:
> We have an Internet application written using PHP with a MySQL 
> database. A small number of users login from around the UK and 
> view/add/edit data via forms. The main user is becoming concerned 
> about security and has asked can we switch from HTTP to HTTPS. I tried 
> bringing up pages in HTTPS and get a message "This page contains both 
> secure and nonsecure items". What needs changing to avoid these 
> messages and, presumably make the whole application secure?
>  
> Brendan
Your web pages. They are probably using absolute links to 
http://hostname/whatever, instead of relative links to /icons/whatever 
or ../phpscripts/script.php, etc.