发明名称 |
REMOTE ACCESS VPN MEDIATION METHOD AND MEDIATION DEVICE |
摘要 |
<p>A mediating apparatus is provided on an IP network, and stores an access control list (ACL) retained in a VPN gateway unit. The mediating apparatus: receives a retrieval request from a VPN client unit; acquires a private IP address of a communication unit by reference to ACL; searches DNS to acquire therefrom an IP address of the VPN gateway unit; generates a common key that is used for authentication between the VPN client unit and the VPN gateway unit and for encrypted communication therebetween; sends the IP address of the VPN gateway unit, the private IP address of the communication unit, and the common key to the VPN client unit; and sends the IP address of the VPN client unit and the common key to the VPN gateway unit.</p> |
申请公布号 |
EP1643691(A1) |
申请公布日期 |
2006.04.05 |
申请号 |
EP20040746915 |
申请日期 |
2004.07.02 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
HISADA, YUSUKE;TSURUOKA, YUKIO;ONO, SATOSHI |
分类号 |
H04L9/08;H04L12/46;H04L12/70;H04L29/06;(IPC1-7):H04L12/56 |
主分类号 |
H04L9/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|