Abstract: Essential model of web services is for enterprise. Before Web Services was used, the business models are processed by the traditional tools. It takes long time to receive goods and loss the competition. Web Services for us is very convenient. For example, as we want to go a trip, we can use Web Services to order tickets, cars, hotels and so on. Web Services for enterprises can be saved more time. If a factory which manufactures shoes has no materials, they can order all materials by Web Services. Present research will take attentions for Web Services with security mechanism in IPv4 and IPv6. Present study compare the different between Web Services with security in IPv4 and IPv6 and web services with no security in IPv4 and IPv6.