SSL Protocol (Secure Socket Layer) is a protocol of integrity and exchange of information that allows to assure the authentication, confidentiality of the data that are transmitted through Internet. Nowadays, SSL protocol is the average one more extended to guarantee this exchange of information. Its success has been due to a great extent to its facility of use and its integration in all the navigators. For example, when we navigate with Netscape or Explorer by pages protected with SSL, we can observe that it appears in the navigator a key or a padlock in the inferior zone of the screen. Villablanca's reservations forms use this system for guarantee you that all your information are totally secure.