CISSP®- The National Institute of Standards and Technology (NIST) Special Publication (SP) 800-37 Revision 1 and 2

The video tutorial covers various protocols and technologies used to secure communication, focusing on IPsec, SSL, TLS, ISDN, and DSL. It explains IPsec's role in providing a cryptographic layer to IP traffic, its modes of operation, and its application in VPNs. The tutorial also compares SSL and TLS, highlighting the slow transition to TLS despite its advantages. Finally, it discusses ISDN and DSL, their historical significance, and current usage.

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