Security The Indiana CRS Web Page uses 128-bit security for your protection. This will require that you use a compatible browser to complete a reservation. Microsoft Internet Explorer users must be using version 4.5 or higher while Netscape users must be using version 4.05 or higher. Both of these browsers can be downloaded by clicking on the shortcuts below. Upgrade your browser: Internet Explorer Netscape Click on the VeriSign Seal to view our Security Certificate