Firewall
What is Firewall?
A network security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Firewalls establish a barrier between trusted internal networks and untrusted external networks.
Terms that appear alongside firewall
Each of these is named in at least one of the same controls as firewall. The number is how many controls name both.
- nist 11 shared controls
- authentication 11 shared controls
- gateway 9 shared controls
- access control 8 shared controls
- zero trust 7 shared controls
- remote access 7 shared controls
- audit 6 shared controls
- multi factor authentication 5 shared controls
Frameworks that govern firewall
What the standards actually require on firewall
Requirements naming firewall across 6 standards, quoted from the control text.
Every gateway, whether in a physical or a virtual environment, must include a firewall.
new-zealand-information-security-manual-nzism::19.3.8.C.01 · 19.3.8.C.01 Every gateway includes a firewall →Where devices are used on untrusted networks (home, public Wi-Fi), the host-based software firewall must be enabled and configured.
CE-FW.6 · Host-Based Firewall for Remote Workers →Evaluated firewalls are used between networks belonging to different security domains.
ISM-0639 · Evaluated firewalls between security domains →A personal firewall that manages program access to the internet, blocks unsolicited connection requests, filters incoming traffic by address, protocol and destination port and keeps an IP traffic log is employed on every mobile device with a full-feature opera...
fbi-cjis-security-policy::5.20.4.3 · 5.20.4.3 Personal Firewall →Where the regulator requires, firewall rules are periodically reviewed on all perimeter and internal firewalls to verify operating condition and the effectiveness of the security configuration and rule sets.
gli-33-gaming-laboratories-international-event-wagering-systems::B.7.6 · B.7.6 Firewall Rules Review →Deploy Azure Firewall or third party NVA at the edge to inspect and control inbound and outbound traffic with documented rules.
NS-3 · Deploy firewall at the edge of enterprise network →Questions people ask about firewall
What is Firewall?
Why is Firewall important for compliance?
Which compliance frameworks address Firewall?
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See how Firewall applies across compliance frameworks
Our platform maps 1,016 frameworks with 316K cross-framework control mappings. Explore how this concept is addressed across standards.