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EC-Council

EC0-350 · Question #741

Rebecca has noted multiple entries in her logs about users attempting to connect on ports that are either not opened or ports that are not for public usage. How can she restrict this type of abuse…

The correct answer is B. Configure rules using ipchains. See the full explanation below for the reasoning.

Question

Rebecca has noted multiple entries in her logs about users attempting to connect on ports that are either not opened or ports that are not for public usage. How can she restrict this type of abuse by limiting access to only specific IP addresses that are trusted by using one of the built-in Linux Operating System tools?

Options

  • AEnsure all files have at least a 755 or more restrictive permissions.
  • BConfigure rules using ipchains.
  • CConfigure and enable portsentry on his server.
  • DInstall an intrusion detection system on her computer such as Snort.

How the community answered

(50 responses)
  • A
    16% (8)
  • B
    74% (37)
  • C
    4% (2)
  • D
    6% (3)

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