Best Network Security Software for Linux

ManageEngine OpManager, as a network security monitor, provides real-time detection of network anomalies and potential security threats. It monitors device configurations, tracks unauthorized changes, and ensures compliance with security policies. With proactive alerting, OpManager helps identify suspicious traffic patterns, potential vulnerabilities, and performance issues, enabling quick response to mitigate risks. It also integrates with firewall and intrusion detection systems, enhancing network security by offering visibility into potential attacks and breaches.

Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. Our SaaS platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide unified, real-time observability of our customers' entire technology stack. Datadog is used by organizations of all sizes and across a wide range of industries to enable digital transformation and cloud migration, drive collaboration among development, operations, security and business teams, accelerate time to market for applications, reduce time to problem resolution, secure applications and infrastructure, understand user behavior and track key business metrics.

SaltStack is an intelligent IT automation platform that can manage, secure, and optimize any infrastructure—on-prem, in the cloud, or at the edge. It’s built on a unique and powerful event-driven automation engine that detects events in any system and reacts intelligently to them, making it an extremely effective solution for managing large, complex environments. With the newly launched SecOps offering, SaltStack can detect security vulnerabilities and non-compliant, mis-configured systems. As soon as an issue is detected, this powerful automation helps you and your team remediate it, keeping your infrastructure securely configured, compliant, and up-to-date. The SecOps suite includes both Comply and Protect. Comply scans and remediates against CIS, DISA-STIG, NIST, PCI, HIPAA compliance standards. And Protect scans for vulnerabilities and patches and updates your operating systems.