RELAY DEVICE, RELAY METHOD AND RELAY PROGRAM

摘要

PROBLEM TO BE SOLVED: To perform a transfer to an origin server, even when a link of content held on the origin server side is described by an absolute path.SOLUTION: A reverse proxy server 10 (relay device) is for relaying a request from a Web browser 100 (user agent) to any of apparatuses 200A, 200B, and 200C (origin servers) belonging to a LAN 120 (internal network). The request includes any of a Cookie header or a Referer header. The reverse proxy server 10 (relay device) includes: a determination unit for comparing a URI included in the request from the Web browser 100 with a URI included in any of the headers and determining whether to rewrite the URI; and a processing unit for rewriting the URI included in the request from the Web browser 100 according to a determination result.