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Compare OPNsense vs. Zscaler Cloud Firewall

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Featured Review
Find out what your peers are saying about OPNsense vs. Zscaler Cloud Firewall and other solutions. Updated: November 2021.
552,305 professionals have used our research since 2012.
Quotes From Members

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

Pros
"The dashboard is the most important thing. It provides good visibility and makes management easy. Firepower also provides us with good application visibility and control.""It is one of the fastest solutions, if not the fastest, in the security technology space. This gives us peace of mind knowing that as soon as a new attack comes online that we will be protected in short order. From that perspective, no one really comes close now to Firepower, which is hugely valuable to us from an upcoming new attack prevention perspective.""When it comes to the integration among Cisco tools, we find it easy. It's a very practical integration with other components as well.""If you compare the ASA and the FirePOWER, the best feature with FirePOWER is easy to use GUI. It has most of the same functionality in the Next-Generation FirePOWER, such as IPS, IPS policies, security intelligence, and integration and identification of all the devices or hardware you have in your network. Additionally, this solution is user-friendly.""One of the most valuable features is the AMP. It's very good and very reliable when it comes to malicious activities, websites, and viruses.""The most valuable features of this solution are advanced malware protection, IPS, and IDS.""The solution offers very easy configurations.""There are no issues that we are aware of. It does its job silently in the background."

More Cisco Firepower NGFW Firewall Pros »

"The interface and the dashboard are the most valuable features of this solution.""The most valuable features in OPNsense are reporting and visibility.""OPNsense is easy to scale when running on the hardware.""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.""We have found pretty much all the features of the solution to be valuable.""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.""The most valuable features are reporting, the Sensei plugin, and firewall capabilities.""The solution is good for a basic firewall for a small business or for home use."

More OPNsense Pros »

"The initial setup is straightforward.""The solution offers good sandboxing.""Once you have Zscaler running you have access to configure it however you want.""I like the ease of deployment and its flexibility. We don't need to deal with license, quotes, procurement, delivery, and installation. Everything is software-based, and it's very easy to operate.""Includes advanced tech protection."

More Zscaler Cloud Firewall Pros »

Cons
"It's mainly the UI and the management parts that need improvement. The most impactful feature when you're using it is the user interface and the user experience.""My team tells me that other solutions such as Fortinet and Palo Alto are easier to implement.""The initial setup could be simplified, as it can be complex for new users.""The price and SD-WAN capabilities are the areas that need improvement.""The performance should be improved.""The change-deployment time can always be improved. Even at 50 seconds, it's longer than some of its competitors. I would challenge Cisco to continue to improve in that area.""The visibility for VPN is one big part. The policy administration could be improved in terms of customizations and flexibility for changing it to our needs.""There is limited data storage on the appliance itself. So, you need to ship it out elsewhere in order for you to store it. The only point of consideration is around that area, basically limited storage on the machine and appliance. Consider logging it elsewhere or pushing it out to a SIEM to get better controls and manipulation over the data to generate additional metrics and visibility."

More Cisco Firepower NGFW Firewall Cons »

"There should be more technical documentation.""The interface needs to be simplified. It is not user-friendly.""The solution could be more secure.""There are issues with stability and reliability.""The solution would not be suitable for anything large-scale.""The logging could improve in OPNsense.""The interface isn't so friendly user. But we have some technicians here who are quite confident with this tool. OPNSense could maybe add sets of rules so it's simpler to manage different groups with particular needs.""While they do have paid options that actually gives better features, for most of the clients, if they tend to take a paid option will instead opt for Fortinet."

More OPNsense Cons »

"Because it's on cloud, it doesn't allow application of extra settings.""Data Leak Prevention is only for web filtering and there is no protection for email.""It would be better if they improved their policy, package visibility, and flexibility while we're creating rules for inspection. It could also be cheaper or more things could be included in the basic package. In the next release, I would like better coverage in the Asia Pacific region and better quality of service.""The issue right now is probably that Zscaler is not providing web browser isolation. Another solution, Menlo, offers this. For one customer, we had to send traffic to Menlo to do the isolation for us. It was requested by the customer so that they could integrate any iframe. Zscaler needs to add this type of feature in their next release.""The product could improve its integration with some legacy systems."

More Zscaler Cloud Firewall Cons »

Pricing and Cost Advice
"The price is comparable.""Cisco, as we all know, is expensive, but for the money you are paying, you know that you are also getting top-notch documentation as well as support if needed.""This product requires licenses for advanced features including Snort, IPS, and malware detection.""We normally license on a yearly basis. The hardware procurement cost should be considered. If you're virtual maybe that cost is eradicated and just the licensing cost is applied. If you have hardware the cost must be covered by you. All the shipping charges will be paid by you also. I don't thing there are any other hidden charges though.""This solution is expensive and other solutions, such as FortiGate, are cheaper.""Cisco pricing is premium. However, they gave us a 50 to 60 percent discount.""I am happy with the product in general, including the pricing.""When we are fighting against other competitors for customers, whether it is a small or big business, we feel very comfortable with the price that Firepower has today."

More Cisco Firepower NGFW Firewall Pricing and Cost Advice »

"As an appliance, it's in the medium price range.""OPNsense is open source software so at this time it is free for us to use.""OPNsense is an open-source solution and it is free 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.""The solution is not expensive."

More OPNsense Pricing and Cost Advice »

"The licensing is on a yearly basis. It is somewhere around 30 or 40 pounds per user for our organization.""There are licensing costs, and I would not say that it's a cheap vendor."

More Zscaler Cloud Firewall Pricing and Cost Advice »

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Questions from the Community
Top Answer:  When you compare these firewalls you can identify them with different features, advantages, practices and… more »
Top Answer:  The Cisco Firepower NGFW Firewall is a very powerful and very complex piece of anti-viral software. When one considers… more »
Top Answer: It is easy to integrate Cisco ASA with other Cisco products and also other NAC solutions. When you understand the Cisco… more »
Top Answer: Two of the most common and well recognized firewalls, PfSense and OPNsense both support site-to-site IPsec VPN and… more »
Top Answer: The system in general is quite flexible.
Top Answer: The main cost is the hardware. We don't pay anything for the software.
Top Answer: Netscope, Zscaler if they continue route they are on now. FIrewalls needs great deal of automation on each end… more »
Top Answer: The initial setup is straightforward.
Top Answer: The licensing is on a yearly basis. It is somewhere around 30 or 40 pounds per user for our organization.
Comparisons
Also Known As
Cisco Firepower NGFW, Cisco Firepower Next-Generation Firewall, FirePOWER, Cisco NGFWv
Learn More
OPNsense
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Overview

Cisco NGFW firewalls deliver advanced threat defense capabilities to meet diverse needs, from
small/branch offices to high performance data centers and service providers. Available in a wide
range of models, Cisco NGFW can be deployed as a physical or virtual appliance. Advanced threat
defense capabilities include Next-generation IPS (NGIPS), Security Intelligence (SI), Advanced
Malware Protection (AMP), URL filtering, Application Visibility and Control (AVC), and flexible VPN
features. Inspect encrypted traffic and enjoy automated risk ranking and impact flags to reduce event
volume so you can quickly prioritize threats. Cisco NGFW firewalls are also available with clustering
for increased performance, high availability configurations, and more.
Cisco Firepower NGFWv is the virtualized version of Cisco's Firepower NGFW firewall. Widely
deployed in leading private and public clouds, Cisco NGFWv automatically scales up/down to meet
the needs of dynamic cloud environments and high availability provides resilience. Also, Cisco NGFWv
can deliver micro-segmentation to protect east-west network traffic.
Cisco firewalls provide consistent security policies, enforcement, and protection across all your
environments. Unified management for Cisco ASA and FTD/NGFW physical and virtual firewalls is
delivered by Cisco Defense Orchestrator (CDO), with cloud logging also available. And with Cisco
SecureX included with every Cisco firewall, you gain a cloud-native platform experience that enables
greater simplicity, visibility, and efficiency.
Learn more about Cisco’s firewall solutions, including virtual appliances for public and private cloud.

OPNsense is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources.

Zscaler enables the world’s leading organizations to securely transform their networks and applications for a mobile and cloud first world. Its flagship services, Zscaler Internet Access and Zscaler Private Access, create fast, secure connections between users and applications, regardless of device, location, or network. Zscaler services are 100% cloud-delivered and offer the simplicity, enhanced security, and improved user experience that traditional appliances or hybrid solutions are unable to match. Used in more than 185 countries, Zscaler operates the world’s largest cloud security platform, protecting thousands of enterprises and government agencies from cyberattacks and data loss.

Check more details: https://www.zscaler.com/produc...

Offer
Learn more about Cisco Firepower NGFW Firewall
Learn more about OPNsense
Learn more about Zscaler Cloud Firewall
Sample Customers
Rackspace, The French Laundry, Downer Group, Lewisville School District, Shawnee Mission School District, Lower Austria Firefighters Administration, Oxford Hospital, SugarCreek, Westfield
CompuNet Systems GmbH,
Zenith Live, Azure, Carlsberg Group
Top Industries
REVIEWERS
Comms Service Provider22%
Financial Services Firm16%
Manufacturing Company8%
Non Profit8%
VISITORS READING REVIEWS
Comms Service Provider32%
Computer Software Company21%
Government7%
Manufacturing Company4%
VISITORS READING REVIEWS
Comms Service Provider46%
Computer Software Company16%
Government7%
Media Company4%
VISITORS READING REVIEWS
Computer Software Company29%
Comms Service Provider23%
Government6%
Financial Services Firm6%
Company Size
REVIEWERS
Small Business43%
Midsize Enterprise28%
Large Enterprise29%
VISITORS READING REVIEWS
Small Business21%
Midsize Enterprise13%
Large Enterprise66%
REVIEWERS
Small Business69%
Midsize Enterprise15%
Large Enterprise15%
No Data Available
Find out what your peers are saying about OPNsense vs. Zscaler Cloud Firewall and other solutions. Updated: November 2021.
552,305 professionals have used our research since 2012.

OPNsense is ranked 19th in Firewalls with 11 reviews while Zscaler Cloud Firewall is ranked 29th in Firewalls with 5 reviews. OPNsense is rated 8.0, while Zscaler Cloud Firewall is rated 8.0. The top reviewer of OPNsense writes "A solution that detects and blocks malicious content with good reporting and visibility, but the reliability needs improvement". On the other hand, the top reviewer of Zscaler Cloud Firewall writes "Good sandboxing and URL filtering with capability to scale". OPNsense is most compared with pfSense, Untangle NG Firewall, Sophos XG, Sophos UTM and Fortinet FortiGate, whereas Zscaler Cloud Firewall is most compared with Menlo Security Cloud Firewall, pfSense, Check Point NGFW, Cisco ASA Firewall and Huawei NGFW. See our OPNsense vs. Zscaler Cloud Firewall 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.