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Design and Implementation of IPsec VPN’s and its Configuration on ISP Network

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 7)

Publication Date:

Authors : ; ; ; ;

Page : 293-297

Keywords : Authentication Header (AH); Encapsulating Security Payload (ESP); IP Security (IPSec); Transport; Virtual Private Networks (VPN).;

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This paper describes methods for implementing Virtual Private Networks (VPN) with IP Security (IPSec). A virtual private network (VPN) is a technology for using the Internet or another intermediate network to connect computers to isolated remote computer networks. The Internet Protocol Security (IPsec) standard provides a method to manage authentication and data protection between multiple crypto peers engaging in secure data transfer. The Authentication Header (AH) provides integrity and authentication for IP datagram’s. ESP provides data confidentiality, integrity, and authentication. The implemented protocols are used to secure packets end to end and are normally called IP Security (IPSec). However, with intervening gateways (firewalls) or because of the faith in their own private networks, some organizations may choose to secure the packets only on the Internet and let the packets travel in clear text inside the organization.

Last modified: 2014-08-04 18:27:49