Patent ID: 7606922

Claim:
An information processing server comprising: a file storage section that stores a data file; a specification section that specifies processing restriction information for restricting at least one of saving processing and printing processing of the data file at a client device that is connected to the information processing server via a network; a restriction information storage section that stores the processing restriction information that is specified; and a transmission section that, when transmission of the data file is requested by the client device, transmits file management information including the processing restriction information for the data file that has been stored at the restriction information storage section, and the data file that has been stored at the file storage section, to the client device via the network, wherein a communication protocol between the information processing server and the client device is an HTTP protocol, and the file management information is included in an HTTP header of the data file by the information processing server and transmitted to the client device together with the data file.