• Requirement

    Terminate the network connection associated with a communications session at the end of the session or after [Assignment: organization-defined time period] of inactivity.

  • Discussion

    Network disconnect applies to internal and external networks. Terminating network connections associated with specific communications sessions includes de-allocating TCP/IP address or port pairs at the operating system level and de-allocating the networking assignments at the application level if multiple application sessions are using a single operating system-level network connection. Periods of inactivity may be established by organizations and include time periods by type of network access or for specific network accesses.

More Info

  • Title

    Network Disconnect
  • Family

    System and Communications Protection
  • NIST 800-53B Baseline(s)

    • Moderate
    • High
  • Related NIST 800-53 ID


NIST 800-53A Assessment Guidance

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