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Networking / Loadbalancer / Controls / DEV

Enforce and Detect Rate Limiting

CCC.LB.CN01 · Networking

Detect and throttle malicious or excessive requests to prevent downstream resource exhaustion and brute-force activity.

Related Capabilities

IDTitleDescription
CCC.Core.CP04Transaction Rate LimitsThe service can throttle, delay, or reject excess requests when transactions exceed a user-specified rate limit, and always provides industry-standard throughput up to that limit.
CCC.LB.CP22Rate Limiting / ThrottlingAbility to limit the number of requests per second per client. This ensures that no single client or user overloads the backend servers, distributing requests fairly across multiple instances.

Related Threats

IDTitleDescription
CCC.LB.TH01Unrestricted Request Traffic Overwhelms Downstream ServicesAbsence of filtering or rate limiting permits malicious traffic to overload downstream services and facilitates brute-force activity.
CCC.LB.TH09CCC.LB.TH09

Assessment Requirements

IDTextApplicability
CCC.LB.CN01.AR01When a single client sends more than 2000 requests within any 5-minute sliding window, the load balancer MUST throttle all subsequent requests from that client for at least 60 seconds.tlp-green, tlp-amber, tlp-red
CCC.LB.CN01.AR02When throttling is invoked, the load balancer MUST record the event in the access log within 5 minutes for alerting and trend analysis.tlp-green, tlp-amber, tlp-red

Guideline Mappings

FrameworkIDRemarks
NIST-CSFDE.CM-1Monitor to detect events
NIST-CSFPR.AC-7Prevent brute-force
NIST-CSFPR.PT-4Protective technology
NIST_800_53AU-6Audit review, analysis, reporting
NIST_800_53SC-5Denial-of-Service protection
NIST_800_53AC-7Unsuccessful logon attempts