CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – More Protocols

March 10, 2010 · Posted in Don's eBook Report, Information Security, Information Systems, Information Technology · Comment 

Host-to-Host Transport Layer Protocols

TCP – Transmission Control Protocol

  • Connection oriented
  • Sequenced packets
  • Acknowledgement is sent back for received packets
  • If no acknowledgement then packet is resent
  • Packets are re-sequenced
  • Manageable data flow is maintained

Note: TCP and UDP use dynamic port numbers greater than 1023

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CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Classes of Network Abuse

December 7, 2009 · Posted in Information Security, Information Systems · Comment 

Class A

  • Unauthorized access through circumvention of security access controls
  • Masquerading, logon abuse (primarily internal attacks)

Class B – non-business use of systems

Class C

  • Eavesdropping
  • Active: Tampering with a transmission to create a covert signaling channel or probing the network
  • Passive – Covertly monitoring or listening to transmissions that is unauthorized
  • Covert Channel – using a hidden unauthorized communication
  • Tapping – refers to the physical interception of transmission medium (like splicing of cable) Read more

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