OPNsense vs Palo Alto Networks K2-Series comparison

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Fortinet Logo
123,063 views|89,961 comparisons
90% willing to recommend
OPNsense Logo
108,675 views|95,621 comparisons
96% willing to recommend
Palo Alto Networks Logo
1,031 views|140 comparisons
96% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between OPNsense and Palo Alto Networks K2-Series based on real PeerSpot user reviews.

Find out in this report how the two Firewalls solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.
To learn more, read our detailed OPNsense vs. Palo Alto Networks K2-Series Report (Updated: March 2024).
768,578 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"The main benefit is the grouping of our security monitoring.""Fortinet FortiGate is a security device. It can optimize security on the networks of a company. It actually protects the company from attacks from outside. With FortiGate, you can categorize the users. You can create a group of users that can access all of the websites for their work. You can limit other users' access.""One of the nice things about FortiGate is that it can be deployed on the cloud or on-premises. You can actually do both. That's the biggest reason why I stick with this solution as opposed to something like Cisco Meraki. Another nice thing is that I can log directly into a FortiGate or get to it through their FortiCloud access products. They're pretty reliable and consistent. One of the reasons why I started using the product was their single pane of management. I can deploy their line of firewalls in conjunction with their switching and access points, and I can manage the entire network from one interface. I don't have to log into one interface for the firewall, another one for the access points, and another one for the switches. These firewalls have access point controller functionality built right into the system, so I don't even have to purchase additional devices to manage them.""Fortinet FortiGate appears to be scalable.""The pricing is excellent. It's much less expensive than Cisco.""Fortinet FortiGate is a scalable solution.""Security, SD-WAN, and Streetscape are valuable features.""It's quite comfortable to handle the FortiGate firewall."

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"I feel that its valuable features are that it is simple and free.""It has firewall and VPN capabilities, which are very valuable features.""It's more secure and more reliable.""The most valuable features are reporting, the Sensei plugin, and firewall capabilities.""We have found pretty much all the features of the solution to be valuable.""The interface and the dashboard are the most valuable features of this solution.""One of the most valuable features is the network checking. Additionally, the firewall and web filtering functionalities are highly useful.""We have been operating here in our lab for several months, and everything appears to be extremely stable."

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"Palo Alto has better and finer controls than, say, Cisco or Check Point.""I like the tool's WildFire feature.""This firewall is very good for our customers because they don't have to write their own rules for adding an application.""I have found the threat profile feature valuable.""Palo Alto has a unique solution for DNS security, which is very good.""One of the most valuable features is Palo Alto's firewall management. We find it easier to manage the firewall centrally.""Simple integrations with the domain controllers and other inventories""K2-Series' best features include its scalability, which is the best on the market."

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Cons
"​It needs to improve its ISP load balancing.​""It does not have key authentication for admin access.""Vulnerability scanning could be improved.""The UI could be improved.""We were not able to build a full-mesh VPN; however, I am not sure if this was the fault of Fortinet FortiGate.""Fortinet FortiGate could improve by having a frequent ask questions(FAQ) area for people to receive quick answers to popular questions. Additionally, it would be beneficial to have an SMS notification feature. For example, if you cannot access your email you could receive an SMS message.""There is a lot of improvement needed with SSL-VPN.""We sometimes have issues with FortiGate's routing table in the latest firmware update. We had to downgrade the device because our customers complained about bugs."

More Fortinet FortiGate Cons →

"The interface needs to be simplified. It is not user-friendly.""We did not like the fact that you have to configure everything with the graphic user interface. We have used other firewalls, such as FortiGate, that you can configure via code. OPNsense is not easy to integrate. When you are deploying via GitHub or another source repository, this is not possible. That's one thing we didn't like much.""The IPS solution could be more reliable.""An area for improvement in OPNsense is the hardware, which needs to be updated more frequently. DNS blocking is another good feature I want to be added to the solution. pfSense has a peer-blocking feature that I also want to see in OPNsense.""The user interface could be improved, and the DNS section should be more intuitive.""The ability to set the VPN IP address would be a welcome addition.""The interface of the solution is an area with shortcomings.""You will need additional training before you can actually start to use it."

More OPNsense Cons →

"Palo Alto doesn't have extended visibility to the end point in their firewalls.""I'd like to see more data protection on the system.""The solution needs a series of OS changes.""I would like to see the threat intelligence capability integrated with other vendors such as Cisco and Forcepoint.""The tool needs to improve integration with more products from other vendors. I would like the product to add threat intelligence features as well.""The ease of management and configuration should be improved.""When it comes to renewing the solution, they tend to try to jack up the pricing.""It is recommended that the Palo Alto Networks K2-Series be implemented step by step for the Panorama. Sometimes we can't overwrite the configurations because it fails."

More Palo Alto Networks K2-Series Cons →

Pricing and Cost Advice
  • "Fortinet has one or two license types, and the VPN numbers are only limited by the hardware chassis make."
  • "These boxes are not that expensive compared to what they can do, their functionality, and the reporting you receive. Fortinet licensing is straightforward and less confusing compared to Cisco."
  • "Go for long term pricing negotiated at the time of purchase."
  • "Work through partners for the best pricing."
  • "The value is the capability of having multiple services with one unique license, not having the limitation per user licensing schema, like other vendors."
  • "Easy to understand licensing requirements."
  • "​We saved a bundle by not needing all the past appliances from an NGFW.​"
  • "The cost is too high... They have to focus on more features with less cost for the customer. If you see the market, where it's going, there are a lot of players offering more features for less cost."
  • More Fortinet FortiGate Pricing and Cost Advice →

  • "We are not paying any licensing fees. OPNsense is completely free for us."
  • "It costs about $1000."
  • "There are no licensing costs for OPNsence."
  • "OPNsense is open source software so at this time it is free for us to use."
  • "OPNsense is a well known open-source tool."
  • "It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
  • "OPNsense is an open-source solution and it is free to use."
  • "The solution is not expensive."
  • More OPNsense Pricing and Cost Advice →

  • "Products by the leader in the field are justifiably a bit more expensive compared to other vendors."
  • "The price of this solution is too high."
  • "This solution is expensive compared to other, similar products."
  • "This is an expensive solution, although you will get value for the price."
  • "Pricing is a sensitive issue because the cost is high in this market."
  • "Palo Alto firewalls are very expensive."
  • "It would be nice if they lowered their prices for small businesses."
  • "The price of the solution is expensive."
  • More Palo Alto Networks K2-Series Pricing and Cost Advice →

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    Questions from the Community
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    Top Answer:As a solution, Sophos UTM offers a lot of functionality, it scales well, and the stability and performance are quite… more »
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    Top Answer:It is a very good solution. I like the dashboard. I can see what is going on and manage it as I like it.
    Top Answer:In the best tradition of these questions, Feature-wise both are quite similar, but each has things it's better at, it… more »
    Top Answer:It caters to typical use cases across various technologies. MDR and XDR, for example, focus on user and endpoint… more »
    Comparisons
    Also Known As
    FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate
    Learn More
    Overview

    Fortinet FortiGate enhances network security, prevents unauthorized access, and offers robust firewall protection. Valued features include advanced threat protection, reliable performance, and a user-friendly interface. It improves efficiency, streamlines processes, and boosts collaboration, providing valuable insights for informed decision-making and growth.

    OPNsense is a user-friendly, fast-track, open-source FreeBSD-based firewall and routing platform. This software offers features that are generally available from costly commercial firewalls, with the added benefit of open and verifiable sources. The firewall provides users, developers, and organizations with an advantageous environment through transparency. The development of this project is driven by a strong focus on security and code quality.

    The solution offers a variety of components, such as:

    • Weekly security updates. These updates provide the user with the ability to reach new emerging threats in a timely manner through small increments.

    • Two major releases every year. These yearly releases are on a fixed release cycle and provide organizations with the ability to plan ahead of an upcoming upgrade.

    • A roadmap of instructions. Each major release provides a guide and a set of clear goals.

    A team of professionals developed OPNsense. Other professional and experienced software architects, engineers, and developers are encouraged to join in the development of the solution to make it as successful as possible. OPNsense offers a variety of rich features with each release. Each upgrade is based on FreeBSD for continual, long-term support and utilizes a freshly advanced MVC framework based on Phalcon. OPNsense is committed to helping businesses, school networks, remote offices, hotels, and other markets in keeping their data protected.

    OPNsense Core Features

    OPNsense continually offers a free, complete, high-end security platform with new releases and features. With each release, OPNsense focuses on providing more unique and better security features in a timely manner. These features include:

    • Captive Portal
    • Built-in reporting and monitoring tools including RRD Graphs
    • Network Flow Monitoring
    • Traffic Shaper
    • Support for Plugins
    • Granular Control Over State Table
    • Dynamic DNS
    • Two-factor authentication throughout the system
    • Netflow Exporter
    • Encrypted Configuration Backup to Google Drive
    • Forward Caching Proxy (transparent) with Blacklist Support
    • Stateful inspection firewall
    • DNS Server & DNS Forwarder
    • High Availability & Hardware Failover (with configuration synchronization & synchronized state tables)
    • DHCP Server and Relay
    • Virtual Private Network (site to site & road warrior, IPsec, OpenVPN & legacy PPTP support)
    • Intrusion Detection and Prevention
    • 802.1Q VLAN support

    Reviews from Real Users

    OPNsense is a favorite security solution among reviewers for a number of reasons. Two of those reasons include the user-friendliness of the solution, which makes it easy to use, and its ability to easily scale.

    For many, a user-friendly solution is essential. FiorindoDi A., a system administration specialist at a tech vendor, says, "The graphic user interface is very good and it is user-friendly, which makes the product easy-to-use."

    Peerspot reviewers speak of the scalability of the solution. For example, an anonymous cloud and infrastructure manager at a venture capital and private equity firm reviewer notes, "OPNsense is easy to scale when running on the hardware."

    Designed to handle growing throughput needs due to increasing amounts of application-, user-, and device-generated data, the K2-Series offers amazing performance and threat prevention capabilities to stop advanced cyberattacks and secure mobile network infrastructure, subscribers, and services.

    Sample Customers
    1. Amazon Web Services 2. Microsoft 3. IBM 4. Cisco 5. Dell 6. HP 7. Oracle 8. Verizon 9. AT&T 10. T-Mobile 11. Sprint 12. Vodafone 13. Orange 14. BT Group 15. Telstra 16. Deutsche Telekom 17. Comcast 18. Time Warner Cable 19. CenturyLink 20. NTT Communications 21. Tata Communications 22. SoftBank 23. China Mobile 24. Singtel 25. Telus 26. Rogers Communications 27. Bell Canada 28. Telkom Indonesia 29. Telkom South Africa 30. Telmex 31. Telia Company 32. Telkom Kenya
    1. Deciso B.V. 2. iXsystems, Inc.  3. EuroBSDCon  4. Netgate  5. Claranet  6. Voleatech  7. Open Systems AG  8. Securebit AG  9. Proxmox Server Solutions GmbH  10. AVM Computersysteme Vertriebs GmbH  Additional customers include: T-Systems International GmbH, Deutsche Telekom AG, Vodafone GmbH, 1&1 IONOS SE, OVHcloud, Hetzner Online GmbH, Strato AG, PlusServer GmbH, Host Europe GmbH, United Internet AG, 1&1 Versatel Deutschland GmbH, QSC AG, Bechtle AG, Cancom SE, Computacenter AG & Co. oHG, T-Systems Multimedia Solutions GmbH, Atos SE, Capgemini SE, Accenture plc, IBM Corporation, Hewlett Packard Enterprise Company, Cisco Systems, Inc.
    State of North Dakota, SEGA, Alameda County Office of Education, Temple University, VERGE, CAME
    Top Industries
    REVIEWERS
    Comms Service Provider16%
    Computer Software Company9%
    Financial Services Firm8%
    Manufacturing Company7%
    VISITORS READING REVIEWS
    Educational Organization20%
    Computer Software Company15%
    Comms Service Provider8%
    Manufacturing Company6%
    REVIEWERS
    Comms Service Provider24%
    Financial Services Firm18%
    Logistics Company12%
    Training & Coaching Company6%
    VISITORS READING REVIEWS
    Comms Service Provider16%
    Computer Software Company14%
    Government8%
    Educational Organization6%
    REVIEWERS
    Financial Services Firm36%
    Comms Service Provider21%
    Computer Software Company21%
    Transportation Company7%
    VISITORS READING REVIEWS
    Computer Software Company25%
    Energy/Utilities Company10%
    Real Estate/Law Firm8%
    Healthcare Company8%
    Company Size
    REVIEWERS
    Small Business48%
    Midsize Enterprise23%
    Large Enterprise30%
    VISITORS READING REVIEWS
    Small Business27%
    Midsize Enterprise32%
    Large Enterprise41%
    REVIEWERS
    Small Business71%
    Midsize Enterprise12%
    Large Enterprise18%
    VISITORS READING REVIEWS
    Small Business33%
    Midsize Enterprise18%
    Large Enterprise49%
    REVIEWERS
    Small Business41%
    Midsize Enterprise17%
    Large Enterprise41%
    VISITORS READING REVIEWS
    Small Business27%
    Midsize Enterprise22%
    Large Enterprise52%
    Buyer's Guide
    OPNsense vs. Palo Alto Networks K2-Series
    March 2024
    Find out what your peers are saying about OPNsense vs. Palo Alto Networks K2-Series and other solutions. Updated: March 2024.
    768,578 professionals have used our research since 2012.

    OPNsense is ranked 3rd in Firewalls with 36 reviews while Palo Alto Networks K2-Series is ranked 27th in Firewalls with 29 reviews. OPNsense is rated 8.4, while Palo Alto Networks K2-Series is rated 8.4. The top reviewer of OPNsense writes "Robust network security and management offering a user-friendly interface, open-source flexibility, and cost-effectiveness, with challenges regarding initial setup and the absence of official support". On the other hand, the top reviewer of Palo Alto Networks K2-Series writes "Easy to implement and manage, and the documentation is good". OPNsense is most compared with Netgate pfSense, Sophos XG, Untangle NG Firewall, Sophos UTM and IPFire, whereas Palo Alto Networks K2-Series is most compared with Palo Alto Networks NG Firewalls. See our OPNsense vs. Palo Alto Networks K2-Series report.

    See our list of best Firewalls vendors.

    We monitor all Firewalls reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.