Patent ID: 8576854

Claim:
A method for communication between a first computer terminal of a private Internet Protocol (IP) network and a second computer terminal of a public IP network, the method comprising: initializing a connection, by a mediation system which is associated with the first computer terminal in the private IP network, to a dedicated service port of a control server in the public IP network, the mediation system being separated from the public IP network by a network boundary equipment of the private IP network; establishing, by the mediation system, a communications tunnel between the mediation system and the dedicated service port of the control server, through the network boundary equipment; receiving at least one port operation request, from the control server, at the mediation system via the communications tunnel established through the network boundary equipment; performing, by the mediation system, the at least one requested port operation, resulting in an IP interface of the mediation system which is available to the second computer being connected to an IP interface of the first computer.