Patent ID: 8452882

Claim:
A method comprising: receiving, by a proxy server computer communicably coupled between an application server and a client, a request to access predetermined content by the client, wherein the predetermined content is offloaded from the application server to the proxy server computer, and wherein the request includes a message previously issued by the application server to the client, the message comprising a unique message identifier, a message authentication code, a timestamp and an access control token that identifies a type of content that the client is allowed to access; controlling, by the proxy server computer, the access to the predetermined content by the client by validating the message authentication code, and checking the timestamp and the access control token included in the message; calculating, by the proxy server computer, a new message authentication code and a new timestamp using the access control token previously provided by the application server for the predetermined content; and issuing a new message to the client by the proxy server computer, the new message comprising a new unique message identifier, the new message authentication code, the new timestamp, and the access control token, the new message to replace the message issued by the application server to the client.