Diagram Technical Details Security System Requirements SYSTEM REQUIREMENTS i-PayOnline was developed to provide an affordable payment mechanism for online suppliers who want to be able to provide buyers with level 3 Line Item Detail when a VISA or MasterCard purchasing card is used to perform a purchase at their internet shop. No additional hardware or software needs to be purchased if the supplier uses Microsoft Internet Information server. The suppliers's web server The i-PayOnline client requires the following software : Windows NT 4 with SP 6 IIS 4 with SP 6 128 Encryption The suppliers's browser The supplier will need to install the 128 bit encryption browser update. The following browsers are supported: Netscape Navigator 4.7 and higher Internet Explorer 5.X