Patent ID: 8386777

Claim:
A method of controlling access to a Multicast IP stream requested by a user terminal from Multicast IP stream broadcasting request message collection equipment connected to an IP network, wherein following the connection by this user terminal to this collection equipment, the method comprising: transmitting from this collection equipment to an access control server, connected to the IP network, an access authorization request message; and, following at least one of successful authentication and identification and verification of access rights of said user terminal by said access control server, transmitting from said access control server to said collection equipment an access authorization acceptance message, said access authorization acceptance message comprising at least one set of Multicast filters, installing in the collection equipment the at least one set of Multicast filters and analyzing a Multicast IP broadcasting request message in relation to the at least one installed filter; following at least one of a failure of successful authentication and identification and verification of the access rights of said user terminal, by said access control server: transmitting from said access control server to said collection equipment an access authorization denial message; and inhibiting the connection of the user terminal to the collection equipment.