--- title: OPNsense® Reviews meta_title: 'OPNsense® Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how OPNsense® works for a business like yours. aggregate_rating: rating_value: 4.8 review_count: 5 scale: '5' date_modified: '2026-07-17' parent_category: name: Network Security url: https://www.g2.com/categories/network-security --- # OPNsense® Reviews **Vendor:** Deciso B.V. **Category:** [Firewall Software](https://www.g2.com/categories/firewall-software) **Average Rating:** 4.8/5.0 **Total Reviews:** 5 ## About OPNsense® OPNsense® is an open-source, user-friendly firewall and routing platform that combines the extensive features of commercial products, ranging from a stateful firewall to web application control and integrated inline intrusion detection and prevention. Based on FreeBSD for long-term support, OPNsense’s focus on security brings unique features such as an easy to use one time password authentication for various components. Through its modular design and - the in house developed - Model View Controller framework the product is extendible, and API functionality is readily available. The robust and reliable update mechanism gives OPNsense® the ability to provide important security updates in a timely fashion. ## OPNsense® Pros & Cons **What users like:** - Users commend the **user-friendly interface** of OPNsense, enhancing ease of use for all skill levels. (2 reviews) - Users value the **affordability** of OPNsense®, finding it cost-effective for both personal and professional use. (1 reviews) - Users value the **helpful community support** of OPNsense®, enhancing their experience and firewall performance. (1 reviews) - Users appreciate the **responsive customer support** of OPNsense, highlighting its availability and helpfulness when needed. (1 reviews) - Users find OPNsense's **user-friendly interface** simplifies usage, even for those lacking technical expertise. (1 reviews) - Firewall Efficiency (1 reviews) - Performance Speed (1 reviews) - Response Speed (1 reviews) - Updates (1 reviews) - Versatility (1 reviews) **What users dislike:** - Users find the **difficult installation** of OPNsense® challenging, especially without sufficient technical knowledge or helpful documentation. (1 reviews) - Users find the **difficult learning curve** challenging, especially during the initial setup without technical knowledge. (1 reviews) - Users find the **poor documentation** of OPNsense® unhelpful, particularly during the challenging initial setup process. (1 reviews) ## OPNsense® Reviews ### 1. Flexible Firewall Solution with Strong Community Support, but Complex Configuration Options **Rating:** 4.5/5.0 stars **Reviewed by:** Scott B. | Unix Linux System Administrator III, Small-Business (50 or fewer emp.) **Reviewed Date:** October 14, 2025 **What do you like best about OPNsense®?** This product is highly flexible and supported by a helpful community. It meets all of my firewall requirements. **What do you dislike about OPNsense®?** Because it is flexible, there are many options available for finding the best configuration. **What problems is OPNsense® solving and how is that benefiting you?** This product offers an excellent firewall solution that can accommodate a wide range of needs. ### 2. My Experience with OPNSense **Rating:** 4.5/5.0 stars **Reviewed by:** Karan S. | Project Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** October 17, 2024 **What do you like best about OPNsense®?** the thing which i liked using OPNsense it has very good contenet filtering and from my seniors i have heard it is very cost effective to our company also in my personal use i have seen it has good authentication but in the first place it has good user friendly interface also it has a good performance response time is very good also i am using this like everday . **What do you dislike about OPNsense®?** there are not much dislike here but one thing i wants to point out is initial setup is quite difficult if you are not aware of much of the tech also for personal use i was going through the documentation but it was not much of help full **What problems is OPNsense® solving and how is that benefiting you?** it has good network security without connecting to this i cant access my company contenet which is very good idea so that some how if some has my laptop with out connecting to OPNsense they cant access the content also as i have mentioned earlier it is cost effective it has good web filtering like my organisation doesnt allow us to open our personal gmail in company laptop so we cant access all thanks to OPNsense ### 3. Secure our network **Rating:** 5.0/5.0 stars **Reviewed by:** Suraj K. | Hardware and Network Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** September 23, 2024 **What do you like best about OPNsense®?** OPNsense has a user-friendly web interface, making it easy to use even for people who aren’t very technically knowledgeable. The platform gets regular updates, ensuring that security issues are fixed promptly and new features are added. The customer support is good and always available for assistance **What do you dislike about OPNsense®?** Currently, we are not facing any challenges. everything is going well **What problems is OPNsense® solving and how is that benefiting you?** Previously, we were facing a security challenge, such as unknown websites opening. After implementing this firewall, we can block unknown websites (HTTP sites) and also allow or block websites as per our requirements. ### 4. G2 review **Rating:** 5.0/5.0 stars **Reviewed by:** Suraj K. | Project Developer, Enterprise (> 1000 emp.) **Reviewed Date:** July 14, 2024 **What do you like best about OPNsense®?** Good for carrer growth. It has lasrge community **What do you dislike about OPNsense®?** It should be More proactive. Work on more option for the community. **What problems is OPNsense® solving and how is that benefiting you?** Easy to use interface and frequent updates. ### 5. Amazing software with loaded features **Rating:** 5.0/5.0 stars **Reviewed by:** Vandita T. | Consultant, Enterprise (> 1000 emp.) **Reviewed Date:** July 12, 2024 **What do you like best about OPNsense®?** Amazing software with loaded features... Ease of use Easy to implement Easy to intefrate with other systems. **What do you dislike about OPNsense®?** nothing as such. Product is really good. **What problems is OPNsense® solving and how is that benefiting you?** OPNsense's focus on security brings unique features such as easy to use one time password authentication for various components. The robust and reliable update mechanism gives OPNsense the ability to provide important security updates in a timely fashion. - [View OPNsense® pricing details and edition comparison](https://www.g2.com/products/opnsense/reviews?qs=pros-and-cons§ion=pricing&secure%5Bexpires_at%5D=2026-08-06+07%3A37%3A29+-0500&secure%5Bsession_id%5D=ced92145-b068-4ff5-a16b-bc5a3aab6938&secure%5Btoken%5D=bbbdf76cafd91fd2bd7042f2b485fb94d4ece2228bac26ed1c070021fd99fc0c&format=llm_user) ## OPNsense® Features **Additional Functionality** - Penetration Testing - Alerts/Notifications - Audit Trail - Anti Virus - Vulnerability Scanning - Remote Monitoring & Management - VPN - Behavior Analytics - Reporting/Analytics - Real-Time Notifications - Access Controls/Permissions - SSL Security - Patch Management - Event Logs - Anomaly/Malware Detection - DNS Leak Protection - Third-Party Integrations - Server Monitoring - Real-Time Monitoring - Compliance Management - Network Provisioning - API - Email Alerts - Security Auditing - Intrusion Detection System - Data Visualization - Two-Factor Authentication - Generative AI - Firewalls - AI Copilot - Anti Spam - Threat Response - Activity Monitoring - Risk Alerts - Data Loss Prevention - Single Sign On - Intrusion Prevention System - Secure Login - Policy Management - Activity Dashboard **Administration** - Policy Management - Logging and Reporting - Application Gateway - Concurrent Sessions - Uptime Reporting - Web Traffic Reporting - Compliance Management - Access Management - Incident Management - Audit Management - Remote Monitoring & Management **Agentic AI - Firewall Software** - Autonomous Task Execution - Adaptive Learning - AI/Machine Learning **Functionality** - Virtual Private Network (VPN) - Antivirus - URL Filtering - Availability - IP Filtering **Monitoring** - Load Balancing - Continuous Analysis - Intrusion Prevention - Intrusion Detection - Intrusion Detection System - Intrusion Prevention System **Generative AI** - AI Text Summarization - Generative AI **Artificial Intelligence - Firewall** - AI Firewall **Additional Functionality** - Spam Blocker - Alerts/Escalation - Role-Based Permissions - Network Monitoring - Visual Analytics - Customizable Reports - Real-Time Analytics - Reporting & Statistics - Anti Spam - Activity Dashboard - Real-Time Monitoring - Real-Time Notifications - Activity Tracking - Hardware Integration - Summary Reports - Alerts/Notifications - Access Controls/Permissions - Real-Time Data - Server Monitoring - Two-Factor Authentication - Log Access - Reporting/Analytics - Multi-Location - SSL Security - Behavior Tracking - AI Copilot - API - Event Logs - Vulnerability Scanning - Risk Alerts - Single Sign On - Dashboard Creation - Monitoring ## Top OPNsense® Alternatives - [Netgate pfSense](https://www.g2.com/products/netgate-pfsense/reviews) - 4.7/5.0 (318 reviews) - [Sophos Firewall](https://www.g2.com/products/sophos-firewall/reviews) - 4.7/5.0 (816 reviews) - [Check Point Next Generation Firewalls (NGFWs)](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) - 4.5/5.0 (513 reviews)