Essay: Wired Communication

Essay: Wired Communication
May 24, 2011 Comments Off on Essay: Wired Communication Academic Papers on Information Technology,Sample Academic Papers admin

Sample Essay

In wired connections, eavesdropping is not very easy; hence physical security is not very big issue. However, there is a need for security on the wired connection as well in order to prevent any compromise on critical information, even in the case where the intruder is able to successfully eves drop on a LAN connection. Any access to the servers from other computers on the network can be protected through the implementation of a public-private key encryption infrastructure. One of the most popular encryption infrastructures is based on Data Encryption Standard (DES).

Furthermore, the authentication of users can also be performed by Kerberos, a standard developed at MIT, which uses an authentication server to validate the users’ permission. Kerberos uses DES algorithm. After the authentication has been successful, further communication between different applications on can take place over secure connections, which also use encryption. Furthermore, remote users can also be verified by using remote authentication protocol such as RADIUS or DIAMETER. In addition, secure connectivity between two computers that have a public network, such as the Internet, between them can be provided through the creation of a Virtual Private Network (VPN). A VPN allows for the creation of secure point-to-point tunnels or channel between the two computers which are protected by encryption algorithms which can be IPSec, Transport Layer Security, Secure Socket Layer or Layer 2 Transport Protocol (Whitman, Mattord, Minoli, & Kouns, 2009).

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