Patent ID: 8898309
Filing Date: 2014-11-25
Classification: G06F,H04L

Abstract:
1. A method for setting a first domain first party cookie in a first domain on a client device comprising: receiving at a first server, an http message from an active page within a browser running on the client device, the http message including referrer information indicating a referrer in a second domain and the page being in the first domain; checking the referrer information in the http message to determine (a) if the referrer is within a domain among a predetermined set of domains, and if the referrer is within a domain within the predetermined set of domains, then sending a redirect message in accordance with the referrer information to the browser instructing the browser to resend the http message to a second server, the second server being in the second domain, or (b) if such is not the case, then sending a response without sending a redirect message; receiving at the second server, the http message from the browser and extracting data from a second domain first party cookie in the second domain present in the header of the http message; determining data which is to be included in the first domain first party cookie resident on the client device in dependence on the data extracted from the second domain first party cookie present in the header of the resent http message; and sending a message to the active page in the first domain including an instruction comprising added computer instruction code executable by the browser which, when executed, generates the first domain first party cookie within the browser, including the data determined in the determining step.