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Network security bingo

Exercise and reference answers

Clues and terms
  1. Clue
    What an address at the network layer is called.
    Item
    IP address
  2. Clue
    A commonly used transport layer protocol.
    Item
    TCP
  3. Clue
    At the core of most modern firewalls.
    Item
    Packet filter
  4. Clue
    Holds addresses, ports and connection state.
    Item
    State table
  5. Clue
    Often mistaken for a firewall, really routing.
    Item
    NAT
  6. Clue
    Reads whole packets, so it costs more time.
    Item
    Proxy gateway
  7. Clue
    Detects by signature and by anomaly.
    Item
    IDPS
  8. Clue
    Should be as specific as the traffic allows.
    Item
    Ruleset
  9. Clue
    Where most firewalls were once deployed.
    Item
    Perimeter
Instructions
Read each clue and tap the term it describes.

Explanation

_Source: NIST SP 800-41 Rev. 1, 'Guidelines on Firewalls and Firewall Policy'_
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