Firewall
A system that monitors and controls network traffic based on defined rules. ORDR integrates with firewalls to automatically push and validate segmentation policies based on device behavior.
What is Firewall?
A system that monitors and controls network traffic based on defined rules. ORDR integrates with firewalls to automatically push and validate segmentation policies based on device behavior.
A firewall monitors and controls network traffic based on defined security rules, permitting or blocking connections based on source, destination, protocol, and port. Modern Next-Generation Firewalls (NGFW) extend this with application awareness, intrusion prevention, and deep packet inspection. Firewalls remain one of the most fundamental and widely deployed network security controls, and their effectiveness depends entirely on the quality of the policies configured within them.
In IoT and OT environments, firewalls serve as the primary enforcement mechanism for segmentation policies — they sit at the boundaries between network zones and enforce which traffic can cross between IT and OT networks, between clinical device networks and enterprise IT, between building automation systems and corporate infrastructure. The challenge is that effective firewall policies require knowing what traffic needs to flow, and most organizations don't have that behavioral map for their IoT and OT estates.
The consequence is that IoT and OT firewall rules tend to be overly broad: "allow all traffic on port 502" (Modbus) rather than "allow Modbus traffic from workstation X to PLC Y only." Broad rules create enforcement theater — the firewall is present but its rules don't actually restrict unauthorized lateral movement. Policy quality drives security value, and policy quality requires device-level behavioral understanding.
Key Facts
- The average enterprise has over 10,000 firewall rules, with 20–30% estimated to be redundant or outdated
- Firewall policies for IoT/OT are overly permissive in 85%+ of organizations audited
- ORDR integrates with major NGFW platforms via API for automated policy deployment
- Microsegmentation policies pushed through firewalls provide device-type-level control versus VLAN-level control
How ORDR Addresses Firewall
ORDR integrates with Next-Generation Firewalls from vendors including Palo Alto Networks, Fortinet, and Check Point to automatically push and validate segmentation policies based on observed device behavior. Rather than requiring firewall teams to manually author IoT/OT rules, ORDR generates precise, device-type-level policies and keeps them updated as the environment evolves.
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