ManageEngine Firewall Analyzer vs OPNsense

ManageEngine Firewall Analyzer analyzes firewall logs and manages firewall configurations, helping network administrators examine bandwidth use and network activity. It accepts logs from firewalls, VPNs, IDS/IPS devices, and proxy servers across multiple vendors. Reports cover bandwidth, inbound and outbound traffic, VPN and protocol usage, and websites users access. The Professional and Enterprise editions add policy optimization, rule cleanup and reorder recommendations, and analysis of the impact of new rules. The product also provides real-time notifications and historical records of configuration changes. Those editions list compliance reporting for ISO, PCI-DSS, NERC-CIP, SANS, and NIST. It is deployed on premises, with Windows and Linux installers and mobile downloads for iPhone and Android. Standard and Professional each cost $395 a year and $595 a year, respectively; Enterprise costs $8,395 a year. The pricing note lists a 30-day trial. There is no free plan.

OPNsense is an open-source firewall and routing platform based on FreeBSD, available for self-hosted, web, and API use. Its stateful firewall supports IPv4 and IPv6 and provides live views of passed and blocked traffic. VPN integrations include IPsec, OpenVPN, Tinc, and WireGuard. CARP supports automatic hardware failover with state synchronization, and inline intrusion prevention uses Suricata with Proofpoint Emerging Threats Open rules. The modular Model View Controller framework supports extensions and API functionality. Authentication options include LDAP, Active Directory, RADIUS, captive portal authentication, and 802.1X through a plugin. Community Edition is free at free under the 2-clause BSD license, and installation is limited to x86-64 architecture. Official setup guides cover AWS images, OVA images, and an Azure Virtual Appliance. Business subscriptions add commercial features and support; listed prices are €149 a year or €399 a year for three years. The project began in 2014 as a fork of pfSense and m0n0wall, with its first official release in January 2015.