Chapter 12

Authentication Applications

In the modern world of communication, Internet plays a vital role. But the major threat in Internet is many malicious users try to get unencrypted password communicated over the Internet with sniffing tools. With the different authentic services like Kerberos, X.509 and Public Key Infrastructure (PKI), only ­legitimate users will be allowed to access the intended services.


Kerberos is an authentication protocol, which allows clients to communicate over a non-secure ­network environment based on the use of ‘tickets’ in order to prove their identity to one another in a secure manner. It is designed primarily for a client–server communication to provide mutual authentication by which the client ...

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