The cookie processing device, cookie processing method, cookie processing program, cookie processing system, and information communication system can enable cookie information issued at a terminal device in a certain first domain to be used by a server device belonging to a second domain having a domain name different from that of the first domain, whereby the server device belonging to the second domain can perform, for example, personalization, on the basis of the same information as the first domain. The cookie processing device is provided with a reception means for receiving request information, including a cookie that has been stored in correspondence with the first domain by way of the terminal device, that has been transmitted by the terminal device on the basis of acquisition command information for commanding resource acquisition that has been received by the terminal device from a predetermined server device; and a transmission means for transmitting, to the terminal device, command information for commanding retransmission of the request information, together with identification information as identification information that is to be included in the request information; wherein the identification information includes a domain name of a second domain that is different from the domain name of the first domain, and in which cookie information that has been included in the received request information has been added.
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