Possible Duplicate:
https setup with apache2
Tips for Securing a LAMP Server
How to configure lamp running in ubuntu server for "https" connection..?
I tried something from here.. http://www.dannytsang.co.uk/index.php/create-and-enable-ssl-on-ubuntu-lamp-server
in that configuring apache 2 server section it says i should configure for CaCert.pem file.. but i didn't get that file by the steps mentioned in it. i need help.. thanks in advance..