FW.3 Block Unauthenticated Inbound Connections
Prevent access to firewall administrative interface from the internet unless protected by MFA or IP allowlist limited to specific trusted addresses.
3
artefacts
1
held by a system
1
at each review
moderate
to go live
Cloud console / configuration management
where the evidence lives
teal = a system already holds it · olive = produced at each review
system holds itEvidence a system already holds
- Inbound rule export · Cloud console / configuration management
periodic reviewEvidence produced at each review
- MFA configuration screenshot · Identity provider / directory
governing documentDocuments that govern the control
- Trusted IP allowlist · Policy repository / GRC workspace
First move
Start with the 1 of 3 artefacts that already live in a system (Cloud console / configuration management); keep the periodic reviews but log each one as a dated record with a named reviewer.
Common gaps auditors find
- admin port exposed to internet
- no MFA on admin interface
Do this for your whole sheet
Paste the rows you run your controls from and get this mapping for every control at once, with the periodic-review ones flagged and a first move per row. No account for the first run.
Build my evidence sheetFW.2 Change Default Firewall Passwords · FW.4 Approve and Document Inbound Rules