A terminal for use with a wireless local area network, said terminal being arranged to use at least part of at least one of the following pieces information as an identity: a MAC Medium Access Control address of an AP access point to which said terminal is connected to, in use; a MAC address of said terminal; a signal line identifier of a fixed line that said terminal is connected to in use either directly or via a WLAN access point AP; and a switch or router port number of a fixed line that said terminal is connected to, in use, either directly or via a WLAN access point AP.
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