The E-mail Spoofing on the Network Layer Protocols and Countermeasures Besides the Sender Domain Authentication
Keywords:
OSI reference model, e-mail spoofing, longest prefix matching rule, disguised packet transmission, sender domain authentication.Abstract
In this paper, it is shown that application of the
OSI reference model to the e-mail spoofing enables us to specify the causal network skills which have been abused and that countermeasures against this cybercrime, which are different from the sender domain authentication, can be developed. Firstly, we see that the phenomena which are brought about by
the e-mail spoofing based on the datalink layer protocols are different from the phenomena which are brought about by the e-mail spoofing based on the network layer protocols. Secondly, we develop countermeasures which can discriminate the
network segments where the impersonated e-mail users and the impersonators co-exist from the network segments where only the non-impersonated e-mail users exist.
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