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OPNsense vs Palo Alto Networks PA-Series comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 16, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Fortinet FortiGate
Sponsored
Ranking in Firewalls
2nd
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
318
Ranking in other categories
Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
OPNsense
Ranking in Firewalls
3rd
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
39
Ranking in other categories
No ranking in other categories
Palo Alto Networks PA-Series
Ranking in Firewalls
15th
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
32
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of March 2025, in the Firewalls category, the mindshare of Fortinet FortiGate is 20.8%, up from 17.8% compared to the previous year. The mindshare of OPNsense is 12.8%, down from 17.3% compared to the previous year. The mindshare of Palo Alto Networks PA-Series is 0.4%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Firewalls
 

Featured Reviews

EhabAli - PeerSpot reviewer
Efficient, user-friendly, and affordable
In the past, NSS Labs was utilized to test files and verify the numbers and datasheets. It would be beneficial to have an organization or testing lab that can verify the numbers in our datasheets since changes are frequently made, which can be inconvenient for review. For instance, when comparing different competitors such as Forcepoint, Palo Alto, and Check Point, the throughput or numbers in the datasheet may be lower than the actual numbers. Conversely, Fortinet typically reports very high numbers, but they cannot be replicated in the real world. Therefore, it would be advantageous for them to partner with a neutral testing organization such as NSS Labs to validate these numbers, thus providing more credibility and comfort to everyone regarding the accuracy of the datasheets. For the migration, everyone has a firewall in use and I am selling Fortinet. Typically, I am replacing another firewall. Previously, there was a tool available to convert configurations from one firewall, such as Palo Alto, to Fortinet, but this tool is no longer free. If it could be made free again, it would be very beneficial. This tool shows a lot of promise and is very good. Making it free would help many companies deliver their products in a more efficient and integrated way. It would also be more valuable to include the tool with the firewall package or license instead of having to pay extra for it. Paying extra puts more pressure on small companies to deliver the firewall and complete the configuration, especially if they have hundreds or thousands of policies. It's very painful to move through these policies line by line. The stability has room for improvement. When it comes to Secure SD-WAN, everything is fine. They are going the right way. SD-WAN is very promising. They can provide the SD-WAN solution separately, but they will not take this approach because even the smallest firewall can support the features, so there is no need to have a separate service or appliance. They are following the right steps, and there is nothing to be improved. Feature-wise, I'm really satisfied with the new release, and the features they have added. For now, it's fine.
Eddy Ramirez - PeerSpot reviewer
Good interface and firewall capabilities and overall easy to use
The security has improved as we can isolate the network. We can do attrition prevention via a tool that comes with the solution. We can have a VPN solution in place for those that work from home, outside the network, in a secure manner. We also like that it offers good authentication. It offers radius-based authentication, which has been useful for the company. The main platform is under the Open VPN firewall. The solution has high availability. When we have different ISPs, we can actually load balance those links or actually put some priority or even classify the traffic that might go into one ISP or another.
Deminda Dilan - PeerSpot reviewer
Good for enterprise-level businesses and offers many features like URL filtering and antivirus capabilities
Palo Alto can improve the web application firewall (WAF) feature at layer 7. Currently, I don't think it's available. If they can improve that, it would be better. We wouldn't need to purchase a separate WAF solution because they already have advanced URL filtering. But I don't think that advanced URL filtering has the same features as a dedicated WAF, like F5 or other solutions. That is an area for improvement. If they can improve the WAF feature, customers won't have to buy a separate WAF solution. They could do it with the same Palo Alto firewall, perhaps through a subscription-based model. So the web application firewall feature has to be improved.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Allows for firewall rules to be programmed and named in a way that makes it “readable”"
"The solution can scale well."
"The most valuable features of Fortinet FortiGate are the different types of profiling. It has been the most effective for me. The WAF and the antivirus profile are the most effective in network protection."
"It is useful for protecting and segregating the internal networks from the internet. Most of our customers also use the FortiGate client to connect to their offices by using the VPN client, and of course, they usually activate the antivirus, deep inspection, and intrusion prevention services. They are also using it for web filtering and implementing various policies dealing with forwardings, NAT, etc."
"The most valuable features of Fortinet FortiGate are the ease of use and the UI. It has always provided me with what I needed. I have no need for additional costs that other solutions have, such as Sophos."
"I like that you are able to manage FortiGate from the FortiManager to create a more centralized environment."
"The Fortinet FortiGate local partners were good. I did not have direct contact with Fortinet support."
"The CLI is robust and powerful, enabling rapid, consistent changes via SSH."
"The solution is user-friendly and easy to configure."
"We have been operating here in our lab for several months, and everything appears to be extremely stable."
"The system in general is quite flexible."
"The initial implementation process is simple."
"The solution has high availability."
"The interface and the dashboard are the most valuable features of this solution."
"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."
"OPNsense is easy to use and open source."
"A valuable feature that we can consider is the deployment time, which is significantly reduced. It is almost 90% faster compared to other solutions."
"It is stable when you set up something and put it into production. Once it works, you don't have other tasks or actions to perform."
"The tool's most valuable feature is WildFire."
"It is scalable. But that depends on what model you are using."
"The solution is used for security and IoT security."
"Comprehensive logging is essential for monitoring and analysis purposes. For remote users, the firewall can be configured as a VPN concentrator, with VPN policies defined within the firewall settings."
"The direct profiles is a valuable feature."
"When I compare the tool with other firewalls, it’s the most powerful. It's the most powerful security engine. All the traffic going to the Internet passes through it as the first layer of protection. Because of its good performance, we also use it for decryption."
 

Cons

"One issue that I have had is that sometimes I need to monitor the traffic, so I need to filter it according to the user and which user is using it the most. I experience a bottleneck most of the time, particularly at the peak time when the number of contracts and users are at maximum."
"There are some license issues. Not every feature must have a separate license. There must be some of kind synergy between the license so we don't have to pay for every individual license that we would like to have."
"It should have a better pricing plan. It is too expensive. It should also have a more granular view of the attack. I don't have FortiAnalyzer, and it is difficult for me to have a complete view when there is an attack on my server."
"The support system could be improved."
"There are problems with the custom reporting of the unique traffic. The data is there, but it is too difficult for us to extract."
"The inability to scale the FortiAnalyzer to match our growth necessitates the purchase of new hardware."
"I would like to see more advanced developments of a wireless controller in the future."
"It's my understanding that more of the current generation features could be brought in. There could be more integration with EDRs, for example."
"SD-WAN (software-defined wide area network) is integrated into some restricted service providers for OPNSense."
"There are a few weaknesses. For example, there is a lack of some features that I have in certain commercial products."
"When using the solution at the beginning was difficult. There was a steep learning curve."
"I would like to see better SD-WAN performance."
"The interface of the solution is an area with shortcomings."
"The only thing that I would like to see improved is the Insight or the NetFlow analysis part. It would be good to have the possibility to dig down on the Insight platform. Right now, we can easily do only a few analyses. If this page becomes more powerful, it surely will be a well-adopted platform."
"The ability to set the VPN IP address would be a welcome addition."
"You will need additional training before you can actually start to use it."
"I experienced some problems with AWS cloud parameters connected to Palo Alto firewall."
"In future releases, maybe Palo Alto can enhance and enlarge their portfolio with SIEM solutions. They already have an endpoint protection solution, SOAR solution, that's fine. But when it comes to standalone IDS/IPS solution or email security solution, for example, we don't have any product in that category for Palo Alto."
"Palo Alto should integrate artificial intelligence for security purposes in the background for well-known threats and new risks coming to the market."
"The support has been shaky. Initially, it took one or two hours to get a Palo Alto engineer, which is quite slow. I expect faster response times."
"The UI definitely needs work. In my opinion, the UI could be simpler and more user-friendly for the average user."
"Palo Alto Networks PA-Series is complicated to configure compared to one of its competitors."
"The pricing of the solution needs improvement."
"Palo Alto Networks PA-Series should improve its price. It should also include a feature similar to Sophos' Security Heartbeat."
 

Pricing and Cost Advice

"It scales well if you know what to buy from a physical box standpoint. They seem to offer something for every level."
"We just pay a flat monthly fee to the vendor for the support."
"In the Asian economy in which we operate, FortiGate is expensive."
"The pricing is very reasonable."
"The price of Fortinet FortiGate could improve, it is expensive."
"It is affordable. Palo Alto is much more expensive than Fortinet."
"Fortinet has more device options that are affordable for small businesses than Palo Alto, and its enterprise-level models are also cheaper. Palo Alto also has a separate license for VPN connections and SD-WAN, but FortiGate offers these features standard."
"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."
"It costs about $1000."
"I'm using the free version of OPNsense. I didn't check the pricing for the solution because I still need to test it before getting the approval to purchase OPNsense, and it isn't easy to get approval from the higher-ups."
"It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
"The solution is not expensive."
"We are not paying any licensing fees. OPNsense is completely free for us."
"The price of OPNsense is good."
"Its pricing is unbeatable in comparison to other firewalls. You can have a small instance that could be €80 a month with the hardware underneath. Azure Firewall and FortiGate are out of the question at this price. If you are on a public cloud, you need the underlying infrastructure. Other than that, there is no additional cost. If you have it on-prem, you have to buy the server or the appliance. The hardware cost is replaced with the infrastructure cost in the cloud. You also have costs for the public IPs and underlying VMs, but that's not related to OPNsense. It would be the same for a FortiGate deployment on Azure. You need a FortiGate license, and you need the underlying infrastructure that scales up depending on your needs."
"I've used the free version. My computer with two network cards at home allows me to try as many different software options as I want. I did pay for the license, but it was for the Zenarmor license, which is the packet inspection tool. They use AI for packet inspection, which integrates with OPNsense and pfSense."
"Palo Alto is more expensive than FortiGate."
"While other firewalls may come with a higher cost, when you consider the cost in relation to the services and features that Palo Alto offers, it is clear that Palo Alto is delivering excellent value."
"From my perspective, managing the price is important, especially because we're a small business. For larger organizations like Barclays, we provide our requirements to the client, and they place the order on BigFix. It's their responsibility to consider their budget and make decisions accordingly. We appreciate the features we get, but the cost-sharing still depends on the client."
"The prices are pretty high, definitely on the upper end."
"It is a very expensive solution."
"The pricing is fair."
"The solution's pricing is high compared to that of Cisco and Fortinet."
"We have to pay a yearly licensing fee for the solution."
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Top Industries

By visitors reading reviews
Educational Organization
22%
Computer Software Company
14%
Comms Service Provider
7%
Manufacturing Company
6%
Computer Software Company
16%
Comms Service Provider
13%
Government
7%
Educational Organization
6%
Computer Software Company
17%
Manufacturing Company
13%
University
8%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Which is the better NGFW: Fortinet Fortigate or Cisco Firepower?
When you compare these firewalls you can identify them with different features, advantages, practices and usage a...
What is the biggest difference between Sophos XG and FortiGate?
From my experience regarding both the Sophos and FortiGate firewalls, I personally would rather use FortiGate. I know...
What are the biggest technical differences between Sophos UTM and Fortinet FortiGate?
As a solution, Sophos UTM offers a lot of functionality, it scales well, and the stability and performance are quite ...
What is the difference between PfSense and OPNsense?
Two of the most common and well recognized firewalls, PfSense and OPNsense both support site-to-site IPsec VPN and cl...
What do you like most about OPNsense?
What I like the most about OPNsense is that it offers an easy-to-use dashboard for device management and control.
What is your experience regarding pricing and costs for OPNsense?
I consider the pricing of OPNsense to be high when compared with other market products. However, as a free firewall p...
What do you like most about Palo Alto Networks PA-Series?
The reporting feature and application ID functionality within Palo Alto Networks PA-Series are incredibly valuable to...
What is your experience regarding pricing and costs for Palo Alto Networks PA-Series?
The firewall is expensive for every company, but the cost is worth it to ensure maximum security. However, I do not h...
What needs improvement with Palo Alto Networks PA-Series?
I experienced some problems with AWS cloud parameters connected to Palo Alto firewall. However, I haven't thought of ...
 

Also Known As

FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate, Fortinet Firewall
No data available
No data available
 

Overview

 

Sample Customers

Amazon Web Services, Microsoft, IBM, Cisco, Dell, HP, Oracle, Verizon, AT&T, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telstra, Deutsche Telekom, Comcast, Time Warner Cable, CenturyLink, NTT Communications, Tata Communications, SoftBank, China Mobile, Singtel, Telus, Rogers Communications, Bell Canada, Telkom Indonesia, Telkom South Africa, Telmex, Telia Company, 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.
Information Not Available
Find out what your peers are saying about OPNsense vs. Palo Alto Networks PA-Series and other solutions. Updated: March 2025.
842,388 professionals have used our research since 2012.