Just Thoughts

In the security lecture the instructor was talking about Kerberos security protocol. The name he explained came from the three headed dog, Cerberus, that guards the gates of Hades or the under world in the Greek mythology.

He was surprised why the under world needed to be guarded, who in their right mind would enter! He argued.

Simple, the three headed dog is not there to prevent people from entering as much as preventing people from leaving! That to me is a simpler explanation

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