Firewall rules are consistently reviewed and unused or overly permissive rules are removed
Reviewing the firewall rule set and removing unjustified or overly broad rules keeps A.8.20's network protection from eroding over time.
Reviewing 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.
https://sekit.ai/api/mcp/crosswalk