Method and apparatus for controlling access of a terminal dipositive inlambrico in a communications network.

Method for controlling access of a wireless terminal device (303, 404) in a communication network, the communication network comprising: an access point (501) to establish a communication connection with the wireless terminal device, an authentication server (505) for providing an authentication service overlooking the wireless terminal device to authenticate to the communication network, an authentication agent (504) for relaying authentication information between the wireless terminal device and the authentication server, and access controller for relaying data packets of wireless terminal devices and blocking data packets of wireless terminal devices, a feature access controller (502) comprising an access control list (503) which is a list of wireless terminal devices authenticated, the terminal device being configured Wireless for usaruno of the following authentication methods in order to authenticate to the communication network: a first authentication method wherein the access point (501) relays authentication information between the wireless terminal device and the authentication server (505 ), a second authentication method wherein the authentication agent (504) relays authentication information between the wireless terminal device and the authentication server (505), comprising the steps of identifying (101) at the access point (501) whether the wireless terminal device is using the first authentication method or the second authentication method.