Method for establishing a VPN connection between two networks (1, 6), with two communication devices (2, 7) assigned to the given networks (1, 6), a transmission device, and an identifying means, involving the following steps: b) identifying the first communication device to the transmission device through use of the identifying means comprising a log-in on a webpage of the transmission device, whereby the identifying means is configured as a temporary log-in account for the webpage, which is created by the first communication device at this step, c) transmitting an initial VPN data package from the first communication device to the transmission device, e) identifying the second communication device to the transmission device by means of the identifying means, whereby the identifying means is configured as the temporary log-in account for the webpage of step b), f) transmitting a second VPN data package from the second communicating device to the transmission device, k) extracting by the transmission device of the first VPN configuration parameter and the second VPN configuration parameter from the received initial VPN data packet and/or from the received second VPN data packet, 1) provision by the transmission device of an initial VPN configuration parameter for establishing the VPN connection between the communication devices (2, 7) for the first communication device, m) provision by the transmission device of a second VPN configuration parameter for establishing the VPN connection between the communication devices (2, 7) for the second communication device, and n) establishment of the VPN connection between the communication devices (2, 7) by the first communication device and/or by the second communication device. b) identifying the first communication device to the transmission device through use of the identifying means comprising a log-in on a webpage of the transmission device, whereby the identifying means is configured as a temporary log-in account for the webpage, which is created by the first communication device at this step, c) transmitting an initial VPN data package from the first communication device to the transmission device, e) identifying the second communication device to the transmission device by means of the identifying means, whereby the identifying means is configured as the temporary log-in account for the webpage of step b), f) transmitting a second VPN data package from the second communicating device to the transmission device, k) extracting by the transmission device of the first VPN configuration parameter and the second VPN configuration parameter from the received initial VPN data packet and/or from the received second VPN data packet, 1) provision by the transmission device of an initial VPN configuration parameter for establishing the VPN connection between the communication devices (2, 7) for the first communication device, m) provision by the transmission device of a second VPN configuration parameter for establishing the VPN connection between the communication devices (2, 7) for the second communication device, and n) establishment of the VPN connection between the communication devices (2, 7) by the first communication device and/or by the second communication device.