Restrict, disable, or prevent nonessential programs, functions, ports, protocols
Configuration Management · NIST SP 800-171 Rev 2
Requirement
Restrict, disable, or prevent the use of nonessential programs, functions, ports, protocols, and services.
Discussion
Restricting the use of nonessential software (programs) includes restricting the roles allowed to approve program execution; prohibiting auto-execute; program blacklisting and whitelisting; or restricting the number of program instances executed at the same time. The organization makes a security-based determination which functions, ports, protocols, and/or services are restricted. Bluetooth, File Transfer Protocol (FTP), and peer-to-peer networking are examples of protocols organizations consid
How this affects your SPRS score
Under the DoD Assessment Methodology, a perfect SPRS score is 110. If this control is not met, 5 points is subtracted from your score.
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Estimate my SPRS score →Source: NIST SP 800-171 Rev 2 (public domain) · SPRS weighting per the DoD Assessment Methodology · This is reference information, not an official assessment.