Sekit CSF · Network Security · Process

RCF-0173Firewall management

Firewall rules are consistently reviewed and unused or overly permissive rules are removed

Mapping at a glance

RCF-0173Firewall managementNetwork Security · Process

A.8.20Networks securityISO/IEC 27001:2022 · Annex A controls A.8.21Security of network servicesISO/IEC 27001:2022 · Annex A controls PR.AA-05Access permissions managedNIST CSF 2.0 PR.IR-01Networks protected from unauthorized accessNIST CSF 2.0 CE1.3Block unauthenticated inbound trafficCyber Essentials

RCF-0173 maps to 5 controls across the published frameworks. Open in the full graph →

Maps to ISO/IEC 27001:2022 · Annex A controls

Curated mapping with the reasoning, not just the codes.

A.8.20Networks securitysupportsReviewing the firewall rule set and removing unjustified or overly broad rules keeps A.8.20's network protection from eroding over time.A.8.21Security of network servicessupportsReviewing the firewall rule set on a schedule and justifying every allow rule verifies that a network service's actual access still matches the security requirements A.8.21 requires be agreed in advance.

Maps to NIST CSF 2.0

Curated mapping with the reasoning, not just the codes.

PR.AA-05Access permissions managed PR.IR-01Networks protected from unauthorized access

Maps to Cyber Essentials

Curated mapping with the reasoning, not just the codes.

CE1.3Block unauthenticated inbound traffic

This topic through the other lenses

All Network Security controls

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