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Security Protocols

IP Level Security: IPSEC

IP Level Security: IPSEC IP Security (IPSec) is a collection of protocols designed by the IETF (Internet Engineering Task Force) to provide security for a packet at the IP level. IPSec does not define …

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Transport Layer Security

Transport Layer Security Transport Layer Security (TLS) was designed to provide security at the transport layer. TLS was derived from a security protocol called Secure Sockets Layer (SSL), designed by Netscape to provide security on …

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Application Layer Security

Application Layer Security Application Layer Security The implementation of security at the application layer is more feasible and simpler, particularly when the Internet communication involves only two parties, as in the case …

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Fire Walls

Fire Walls   Fire Walls All previous security measures cannot prevent Eve from sending a harmful message to a system. To control access to a system we need firewalls. A firewall is-a device (usually a …

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