A computer communication system including a client computer with an installed virtual private network (VPN) client and located in a public network, a server computer located in a corporate network, a web server remote from the client computer, a gateway computer located in the corporate network, and a VPN server computer located in the corporate network. The computer communication system is adapted to run following steps of providing a safe VPN communication connection between the client and the server computers: the client computer, using a WEB browser, downloads an application from the VPN server computer, and the downloaded application automatically configures the VPN client installed on the client computer and establishes a tunnelled connection from the client computer to the corporate network. All packets generated by the installed VPN client are forwarded through the tunnelled connection via the gateway computer to the VPN server in the corporate network.