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SMTP Authentication Primer Using Wireshark
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Video Source: www.youtube.com/watch?v=C8Qj7V2sJDQ
SMTP Authentication • In one of my articles http://www.networkcomputing.com/appli... I covered some security, encryption concepts and how some methods are stronger than others. • I also demonstrated that some protocol analyzers like Wireshark can decode this coding format. • Base64 is a binary to text encoding scheme that is generally used to transfer content-based messages and works by dividing every three bits of binary data into six bit units. This new data is represented in a 64-radix numeral system and as seven-bit ASCII text. Because each bit is divided into two bits, the converted data is 33 percent, or one-third, larger than the original data. Like binary data, Base64 encoded resultant data is not human readable. • In this video I will show you that even SMTP can use BASE64 encoding as a very basic, and not strong form of encryption. • The moral of the story would be to be aware of what form of encryption you are using.
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