| 摘要 |
A network system according to the present invention includes a service providing server that provides an application service, a user terminal used by a user when using the application service, and a proxy server intervening between the service providing server and the user terminal. The user terminal includes a whitelist for an application in which at least a URL of the proxy server is described. The user terminal accesses the service providing server over the network and provides an application service to the user by starting the application program. When an access request to a URL of an access target specified by the application program is made during the provision of the application service, the user terminal compares the URL of the access target with a URL described in the whitelist for the application. |
