NIST 800-53 Rev 5

424 controls available

SA-9(2)moderatehigh

Identification of Functions, Ports, Protocols, and Services

System and Services Acquisition

Control Statement

Require providers of the following external system services to identify the functions, ports, protocols, and other services required for the use of such services: {{ insert: param, sa-09.02_odp }}.

Discussion

Information from external service providers regarding the specific functions, ports, protocols, and services used in the provision of such services can be useful when the need arises to understand the trade-offs involved in restricting certain functions and services or blocking certain ports and protocols.

Framework
NIST SP 800-53 Rev 5
Family
System and Services Acquisition
Baselines
moderate, high

Related Frameworks

3 paths across 2 frameworks
SCF1 mapping
TPM-04.2External Connectivity Requirements - Identification of Ports, Protocols & Services
1.00
  • Secure Controls Framework · 2026.2 · scf_strm · equivalent
CCI2 mappings
CCI-003143
1.00
  • DISA · 2025-01-23 · disa_cci_list · equivalent
CCI-003144
1.00
  • DISA · 2025-01-23 · disa_cci_list · equivalent

Related STIGs

No STIGs in the current catalog reference any CCI mapped to this control.