Method and apparatus for providing and receiving contents via network, method and apparatus for backing up data via network, backup data providing device, and backup system

A system for providing content, the system comprising:

• a first device comprising at least one processor configured to control the first device to store an original content at a location and information identifying users who have access rights to the original content stored at the location;
• and
• a second device comprising at least one processor configured to control the second device to send an image associated with the original content along with both access information for allowing an authorized user to access the original content stored at the location and location information for identifying the location at which the original content is stored, to a third device used by a user,
• wherein the first device recieves a request for the original content from the user, the request being based on the location information and the access information for allowing the authorized user to access the original content stored at the location;
• and
• wherein the first device determines whether to provide the original content as a response to the request, based on the request for the original content and the information identifying users who have access rights to the original content stored at the location.

A non-transitory computer-readable recording medium having embodied thereon computer-readable codes, which, when executed by a system, cause the system to execute a method of providing content, the method comprising:

• storing, by a first device, an original content at a location and information identifying users who have access rights to the original content stored at the location;
• sending, by a second device, an image associated with the original content along with both access information for allowing an authorized user to access the original content stored at the location and location information for identifying the location at which the original content is stored, to a third device used by a user;
• and
• recieving, by the first device, a request for the original content from the user, wherein the request is based on the location information and the access information for allowing the authorized user to access the original content stored at the location;
• and
• determining, by the first device, whether to provide the original content as a response to the request, based on the request for the original content and the information identifying users who have access rights to the original content stored at the location.