There is provided a method comprising: receiving, by an apparatus of a data center, a request message from a server computer of said data center, the apparatus and the server computer being physically separate entities communicatively coupled with each other, said message requesting data center specific information stored into a read-only memory area of the apparatus; initiating deciphering of the request message in response to receiving the request message; and as a response to successfully deciphering the request message, transmitting a response message to the server computer, said message comprising the data center specific information acquired from the read-only memory area of the apparatus.