NetPol vs nNetNDR

NetPol is self-hosted network monitoring software for OT, SCADA, and industrial networks. It polls managed switches using SNMP v2c and displays CPU, memory, interface status, errors, and uptime. Automatic CDP and LLDP discovery creates a live map of device relationships and link states. Operators can set per-switch alarm thresholds, acknowledge or silence alerts, and review an action history. The software also supports SSH configuration backups, side-by-side diffs, and full restore. Polling classes range from Core at 30–90 seconds to Slow at 300–900 seconds, with jitter intended to protect OT control planes. NetPol can run on a local server, VM, or Raspberry Pi without a cloud dependency. Its maker says switch data stays on the customer’s server and routine monitoring uses no telemetry, cloud sync, or third-party data processors. PDF reports cover switch status, alert summaries, and recommendations. Lite costs A$1,000 a month per node for up to 25 switches; Medium is 1500.00 AUD and Pro is A$2,000 a month per node. A seven-day trial is listed; there is no free plan.

nNetNDR is a self-hosted product for passively monitoring industrial control system and operational technology network traffic. It examines mirrored traffic to identify OT assets, communication flows, protocols, threats, and vulnerabilities without impacting or disrupting operations. Detection combines ICS-specific whitelisting, signature-based methods, and behavioral analysis to find abnormal activity and vulnerabilities. The product analyzes vendor-specific industrial control protocols and sends real-time alerts and notifications to administrators. Its architecture lists nNetNDR, netProbe, and nNetSensor: netProbe collects mirrored traffic at Levels 2–3, while nNetSensor collects Level 1 industrial Ethernet traffic. Supported protocols include EtherNet/IP, EtherCAT, S7Comm, and Modbus. NNSP describes use in critical infrastructure and industrial control environments, including manufacturing and smart factories. Continuous monitoring and early anomaly detection support incident response. The maker also describes tailored reports and consulting for practical OT threat response. NNSP is headquartered in Seoul and was founded in 2003. Pricing is available on request. The product page lists GS and KC certifications, PPS Preferred Product, a Korean patent, and a New Software Product Award.