--- 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: '2026-06-24' 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 appreciate the **user-friendly interface** of OPNsense, making it accessible even for non-technical users. (2 reviews) - Users appreciate the **affordability** of OPNsense®, noting its cost-effectiveness and excellent performance for daily use. (1 reviews) - Users appreciate the **helpful community support** of OPNsense®, enhancing their firewall experience and flexibility. (1 reviews) - Users appreciate the **responsive customer support** from OPNsense, receiving timely assistance whenever needed. (1 reviews) - Users appreciate the **user-friendly web interface** of OPNsense, making it accessible for all skill levels. (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** process challenging, particularly if they're not tech-savvy, complicating initial setup. (1 reviews) - Users find the **difficult learning curve** challenging, especially during initial setup without adequate technical knowledge. (1 reviews) - Users find the **documentation lacking** , making initial setup challenging for those less tech-savvy. (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?section=pricing&secure%5Bexpires_at%5D=2026-06-26+19%3A49%3A26+-0500&secure%5Bsession_id%5D=ea116937-3e6f-43c6-b21a-d9ce8ee3c17f&secure%5Btoken%5D=2e5fbb1a76b48780684d0cb159a96e1e3cbe43da11ac9e2811d706eb05ea3a0b&format=llm_user) ## OPNsense® Features **Administration** - Policy Management - Logging and Reporting - Application Gateway - Concurrent Sessions **Agentic AI - Firewall Software** - Autonomous Task Execution - Adaptive Learning **Functionality** - Virtual Private Network (VPN) - Antivirus - URL Filtering - Availability **Monitoring** - Load Balancing - Continuous Analysis - Intrusion Prevention - Intrusion Detection **Generative AI** - AI Text Summarization **Artificial Intelligence - Firewall** - AI Firewall ## 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 (740 reviews) - [Check Point Next Generation Firewalls (NGFWs)](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) - 4.5/5.0 (509 reviews)