OPNsense Valuable Features
SZ
Stephen Zoran
Senior Client Solutions Architect at a tech services company with 1,001-5,000 employees
The main features I find valuable are ease of use, code stability, and the ability to add features such as Zenarmor, which provides fourth-generation firewall capabilities with deep packet inspection. Additionally, integrating solutions like Tailscale for VPN is very valuable for my uses.
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reviewer1027455
Senior Network Engineer at a comms service provider with 11-50 employees
The most valuable features include the basic firewall functionality and the GeoIP location services. OPNsense is very stable, easy to upgrade, and maintain. I can work efficiently, knowing it does what it needs to do.
View full review »CA
Chirosca Alecsandru
Owner at Networks srl
I mostly rely on the solution's network intrusion detection and prevention system, along with other systems, CMs, and log management. We are currently satisfied with the solution's threat intelligence. It's a pretty much in-house developed solution because it's in a Wazuh server. We have several scripts around it, allowing us to improve our posture on threats.
View full review »Buyer's Guide
OPNsense
June 2025
Learn what your peers think about OPNsense. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
859,687 professionals have used our research since 2012.
Akram Zaki Hussein
System and Network Administrator at El Sadat City Language School
The DNS-level filtering is impressive for thwarting time scanners. The VPN functionality is also crucial for my needs, as I connect to multiple locations simultaneously. Running the CBN server on the VPN is exceptionally reliable and efficient.
View full review »PM
PeterMuiruri
IT Manager at Pride in Azure
The most valuable feature is the Dual WAN in OPNSense, which offers advanced capabilities. It has cost-effective communication options and the flexibility to deploy on your hardware. I like the security aspects, particularly through package managers. It allows for subscription-based enhancements, providing an additional layer of security to the network.
Eddy Ramirez
IT Security Director at a financial services firm with 1,001-5,000 employees
The interface, specifically the web interface, is very easy to use.
The firewall functions have been quite helpful.
Since the pandemic, the VPN component has been crucial now that everything is basically remote.
It's stable.
We've witnessed a solid ROI.
There are helpful online forums for troubleshooting.
It's open-source and technically free to use.
View full review »WS
Wael Sadek
IT Infrastructure and Enterprise Systems Director at Orascom Investment Holding
There are a lot of features I like. One of the most valuable features is the network checking. Additionally, the firewall and web filtering functionalities are highly useful.
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Michael Dietze
Project Manager at CC GmbH
It has firewall and VPN capabilities, which are very valuable features.
Frqncis Massolin
Cloud Projects Director at France Compétences
OPNsense is easy to use and open source. When the setup is complete, you can forget about the software itself. You can check the logs occasionally and set up some automatic reporting.
Anwar Sleem
Regional Director at Ceitcon
To be honest with you, I feel that its valuable features are that it is simple and free.
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RicardoDias
Network and Programming Specialist at Twentytwo Integration
The tool's integration is more like a button press.
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Raj Ashish
Founder - Director (Technology Business) at a tech services company with 1-10 employees
The most valuable features are content filtering, DNS level filtering and blocking unwanted Global IPs, built-in scanners and authentication capabilities, HA, etc.
View full review »ML
Mario Lozancic
IT System Administrator at Boreas d.o.o. Kresevo
URL blocking, Wireguard, Tail Scale, Engine Blocker, and VPN are the most valuable features for me.
View full review »it_user1140060
Machine designer at La Poste
It has an open license. It works very well, and there is an update every month.
View full review »PB
PaulB
Key Client Manager at O2
It's open source.
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Ralf Wenzel
Cloud Architect at infotek-software GmbH
The IDS and IPS features are valuable. From the usability perspective, there is a lot of good documentation. As IT professionals, we found it very easy to configure the firewall. It was easy to configure and use.
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ENOCH AMARH ANNOR ATTOH
Cyber Defense Incident Responder at The Quantum Group, Ltd
The solution is user-friendly and easy to configure.
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Elisee TAMBA
Founder/IT Consultant at Open IT World
The firewall solution is okay because it is like pfSsense.
YaserAljohani
OT/ICS Information Security Specialist at SANS
The most valuable features in OPNsense are reporting and visibility.
The visibility is awesome. With the visibility, you can see the data source, data destination, the source port, destination port, protocols, the most used, the malicious files that have been detected and blocked, the countries the customer has visited, and the IPs based on Suricata.
OPNsense also has ClamAV, which is a great tool.
View full review »reviewer1027455
Senior Network Engineer at a comms service provider with 11-50 employees
The normal security options are great.
It's light and easy to manage.
The solution is very stable.
The initial implementation process is simple.
The solution offers a free version.
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Gregor Godler
DevOps at Halcom
The most valuable features of OPNsense are the GUI and frequent updates.
View full review »TS
Tahir Siddique
Associate consultant at a tech services company with 1,001-5,000 employees
What I like best about OPNsense is that, as a firewall, it's pretty good. I'm quite impressed with it.
I had an excellent experience with OPNsense, which helped me achieve the targets I wanted.
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Zbigniew Żelazek
Head of IT and Automation department at PGB Service
The WireGuard VPN is the most valuable feature.
reviewer1372230
Cloud and Infrastrcture manager at a tech services company with 11-50 employees
OPNsense is easy to scale when running on the hardware.
View full review »HP
Hermann Potgieter
Senior Network Architect at Virtua Technologies
The most valuable features are reporting, the Sensei plugin, and firewall capabilities.
View full review »CA
Chirosca Alecsandru
Owner at Networks srl
The VPN server feature is the most valuable. It is integrated with Radius and AAA for doing accounting and authentication.
Insight view is also an important feature for me at this time. It allows me to assess our network traffic. I also like the firewall feature. The BSD kernel has a packet filter. It is one of the most solid frameworks for firewalls.
Its user interface is one of the best interfaces I have used.
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SergioRocha
IT infrastructure manager at a tech services company with 51-200 employees
What I like the most about OPNsense is that it offers an easy-to-use dashboard for device management and control. It also provides good security.
View full review »MP
Mauro Ponze
Business Development Advisor at a tech services company with 1-10 employees
The system in general is quite flexible.
View full review »NW
Neil Wurzel
Senior Solution Manager at a comms service provider with 501-1,000 employees
I have found the solution has some great features overall, such as guest access capabilities, dashboards, and ease of use. There is plenty of documentation and support and it has the plugins that I needed.
View full review »reviewer1591197
Director at a comms service provider with 11-50 employees
We have found pretty much all the features of the solution to be valuable.
FK
Faris Khan
Support Engineer at Techaccess Pakistan
The solution is very user-friendly.
It's easy to manage and deploy.
The solution is good for a basic firewall for a small business or for home use.
View full review »MK
Michal Konecny
Consultant at INCONSYS GmbH
The feature I find most valuable is that the program helped me to realize all the requested functionality that was needed:
- IPsec VPN connections to remote gateways from various Vendors
- IPsec VPN connections with SNAT (our local network in use at remote site)
- IPsec connections with DNAT (remote network in use at our local site)
- Let's Encrypt certificate for WebGUI
- SSH Access by Putty to the device
View full review »AB
Antonio EugenioBurriel
CIO at a tech vendor with 1-10 employees
The feature that we found most valuable is the flexibility. It has nothing to do with operating the firewall. It's that we can program it the way we want.
There is no need to fight with the user interface.
View full review »SP
Samo Primožič
Technical support engineer at ADVANT računalniški inženiring, komunikacije, svetovanje in distribucija d.o.o.
It is easy to maintain. It is free. So, it is for small offices. It is a very good solution.
I like the dashboard. I can see what is going on and manage it as I like it.
View full review »SH
reviewer986456
Director at a training & coaching company with 10,001+ employees
The most valuable feature of OPNsense is compatibility.
View full review »reviewer1333986
Vice President at a consultancy with 51-200 employees
The interface and the dashboard are the most valuable features of this solution.
View full review »FD
FiorindoDi Agostino
System Administration Specialist at a tech vendor with 1-10 employees
The most valuable thing about this product is that it is very easy to use. The graphic user interface is very good and it is user-friendly.
View full review »it_user1140060
Machine designer at La Poste
The solution is easy to use and is accessible. I can also use it without paying. The configuration is very easy, and the website makes it easy to find help if you need it.
View full review »EA
Ercan Aycan
Founding Partner, General Manager at emsteknoloji
I find the solution to be user-friendly. It has a lot of reports and easy settings.
View full review »Buyer's Guide
OPNsense
June 2025
Learn what your peers think about OPNsense. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
859,687 professionals have used our research since 2012.
Buyer's Guide
Download our free OPNsense Report and get advice and tips from experienced pros
sharing their opinions.
Updated: June 2025
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Buyer's Guide
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- Primary Use Case
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