Give the applications of lP security.

Subject Computer and Network Security
NU Year Set: 5.(d) Marks: 3 Year: 2017

Internet Protocol security (IPsec) uses cryptographic security services to protect communications over Internet Protocol (IP) networks. IPsec supports network-level peer authentication, data origin authentication, data integrity, data confidentiality (encryption), and replay protection.

Applications of IPSec

–Secure branch office connectivity over the Internet
–Secure remote access over the Internet
–Establsihing extranet and intranet connectivity with partners
–Enhancing electronic commerce security
However, users have some security concerns that cut across protocol layers. For example, an enterprise can run a secure, private TCP/IP network by disallowing links to untrusted sites, encrypting packets that leave the premises, and authenticating packets that enter the premises. By implementing security at the IP level, an organization can ensure secure networking not only for applications that have security mechanisms but also for the many security-ignorant applications.

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