| 摘要 |
The present invention relates to a method of changing an IP in VPN (virtual private network) environment, and more particularly, to a method of changing a fixed IP in a PPTP (point-to-point tunneling protocol) server. A method according to an embodiment of the present invention, which is executed in the PPTP server able to communicate with a plurality client terminals, includes the steps of: requesting an access to the server to set a tunnel interface by providing a private IP to an authorized client terminal; transmitting information about a list of fixed IPs previously selected by the authorized client to the authorized client terminal; and routing information received/transmitted between a corresponding client terminal and a destination terminal by changing an IP into information about the fixed IP which is requested to be changed into the IP when the information about a change of the fixed IPs is received through the set tunnel interface. |
