18-06-2013, 11:38 AM
Privacy Preserving Collaborative Enforcement of Firewall Policies in Virtual Private Networks
Privacy Preserving.ppt (Size: 996 KB / Downloads: 18)
Network Security
Network security is to prevent and monitor unauthorized access, misuse, modification and denial of service.
All these processes are controlled by network administrator.
Virtual Private Network
VPN is a network technology that creates a secure network connection over a public network.
VPN technology to enable remote users to securely connect to a private network.
What is VPN Tunnel?
VPN tunneling involves establishing and maintaining a logical network connection.
It act as a interface between client and server.
Examples
IBM sends a field representative to one of its customer Michigan state university(MSU).
MSU to represent policy owner.
IBM to represent the request owner.
Technical Challenges
MSU cannot simply block VPN connections because IBM may fail to perform duties.
MSU cannot share its firewall policy with IBM.
IBM cannot share the traffic in its VPN Tunnel with MSU due to security and Privacy concerns.