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OPNsense vs Zyxel Unified Security Gateway comparison

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Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"I like the firewall features, Snort, and the Intrusion Prevention System (IPS).""I have integrated it for incidence response. If there is a security event, the Cisco firewall will automatically block the traffic, which is valuable.""Firepower NGFW has improved my organization in several ways. Before, we were trying to stamp out security threats and issues, it was a one-off type of way to attack it. I spent a lot of manpower trying to track down the individual issues or flare-ups that we would see. With Cisco's Firepower Management, we're able to have that push up to basically one monitor and one UI and be able to track that and stop threats immediately. It also gives us a little more granularity on what those threats might be.""If configured, Firepower provides us with 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.""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 integration of network and workload micro-segmentation helps a lot to provide unified segmentation policies across east-west and north-south traffic. One concrete example is with Cisco ACI for the data center. Not only are we doing what is called a service graph on the ACI to make sure that we can filter traffic east-west between two endpoints in the same network, but when we go north-south or east-west, we can then leverage what we have on the network with SGTs on Cisco ISE. Once you build your matrix, it is very easy to filter in and out on east-west or north-south traffic.""Feature-wise, we mostly use IPS because it is a security requirement to protect against attacks from outside and inside. This is where IPS helps us out a bunch."

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

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"This is a capable appliance and the standard features work well for us.""The solution can scale well."

More Zyxel Unified Security Gateway Pros →

Cons
"The initial setup could be simplified, as it can be complex for new users.""FirePOWER does a good job when it comes to providing us with visibility into threats, but I would like to see a more proactive stance to it.""The price and SD-WAN capabilities are the areas that need improvement.""The performance should be improved.""I would like to see improvement when you create policies on Snort 3 IPS on Cisco Firepower. On Snort 2, it was more like a UI page where you had some multiple choices where you could tweak your config. On Snort 3, the idea is more to build some rules on the text file or JSON file, then push it. So, I would like to see a lot of improvements here.""The configuration in Firepower Management Center is very slow. Deployment takes two to three minutes. You spend a lot of time on modifications. Whereas, in FortiGate, you press a button, and it takes one second.""This product is managed using the Firepower Management Center (FMC), but it would be better if it also supported the command-line interface (CLI).""It would be great if some of the load times were faster."

More Cisco Firepower NGFW Firewall Cons →

"I would like to see better SD-WAN performance.""The solution would not be suitable for anything large-scale.""There are issues with stability and reliability.""The solution could be more secure.""The ability to set the VPN IP address would be a welcome addition.""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 interface needs to be simplified. It is not user-friendly.""The logging could improve in OPNsense."

More OPNsense Cons →

"Sometimes it reboots when you least expect it, and that's the main issue.""Although manageable, the user interface is a little bit slow and could be improved."

More Zyxel Unified Security Gateway Cons →

Pricing and Cost Advice
  • "Cisco pricing is premium. However, they gave us a 50 to 60 percent discount."
  • "There are additional implementation and validation costs."
  • "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."
  • "This product is expensive."
  • "For me, personally, as an individual, Cisco Firepower NGFW Firewall is expensive."
  • "The price of Firepower is not bad compared to other products."
  • "The solution was chosen because of its price compared to other similar solutions."
  • More Cisco Firepower NGFW Firewall Pricing and Cost Advice →

  • "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."
  • "As an appliance, it's in the medium price range."
  • More OPNsense 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 initial implementation process is simple.
    Top Answer: 
    We're a customer and an end-user. We are using the telemetry-free version of the solution. Overall, the solution is… more »
    Top Answer: 
    We have a yearly licensing agreement with the company. The licenses are okay. The costs are pretty low.
    Top Answer: 
    I have never seen it in any company that I've worked with before, and I would advise other companies not to buy it. The… more »
    Comparisons
    Also Known As
    Cisco Firepower NGFW, Cisco Firepower Next-Generation Firewall, FirePOWER, Cisco NGFWv
    Learn More
    OPNsense
    Video Not Available
    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.

    ZyWALL USG Series delivers high-access quality to help businesses satisfy the demand for always-online communications. For internal deployments, the ZyWALL USG Series provides active-passive High-Availability (HA) service to support device or connection failover.

    With Device HA Pro service, the ZyWALL USG Series also supports instant failover, so connections are always maintained when a failover event occurs. For external deployments, the ZyWALL USG Series features multi- WAN load balancing/failover and a comprehensive mobile broadband USB modem support list for WAN backup operations. The ZyWALL USG Series also supports IPSec load balancing and failover, providing additional resilience for mission-critical VPN failover with VTI Interface deployments.

    ZyWALL USG110/210/310 thoroughly protects networks with industry-leading firewall, Anti-Malware/ Virus, Anti-Spam, Content Filtering, IDP, and Application Patrol functionality. Regulate unauthorized use of Web applications over your network, such as Facebook, Google apps, and Netflix, among others. Zyxel security measures are enhanced with SSL Inspection, blocking threats hidden in SSL-encrypted connections while facilitating deeper policy enforcement. Furthermore, newly improved Content Filtering 2.0 enhances HTTPS Domain Filter, Browser SafeSearch, and Geo IP Blocking for an array of security enhancements to ensure clean Web connections.

    Offer
    Learn more about Cisco Firepower NGFW Firewall
    Learn more about OPNsense
    Learn more about Zyxel Unified Security Gateway
    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,
    Information Not Available
    Top Industries
    REVIEWERS
    Comms Service Provider22%
    Financial Services Firm16%
    Manufacturing Company8%
    Non Profit8%
    VISITORS READING REVIEWS
    Comms Service Provider33%
    Computer Software Company21%
    Government7%
    Manufacturing Company4%
    VISITORS READING REVIEWS
    Comms Service Provider46%
    Computer Software Company16%
    Government7%
    Media Company4%
    VISITORS READING REVIEWS
    Comms Service Provider47%
    Computer Software Company16%
    Government6%
    Manufacturing Company4%
    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 Fortinet, Check Point, Netgate and others in Firewalls. Updated: January 2022.
    563,148 professionals have used our research since 2012.

    OPNsense is ranked 13th in Firewalls with 11 reviews while Zyxel Unified Security Gateway is ranked 9th in Unified Threat Management (UTM) with 2 reviews. OPNsense is rated 8.0, while Zyxel Unified Security Gateway is rated 6.0. 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 Zyxel Unified Security Gateway writes "Low cost but unresponsive technical support and very unstable performance". OPNsense is most compared with pfSense, Untangle NG Firewall, Sophos XG, Sophos UTM and Fortinet FortiGate-VM, whereas Zyxel Unified Security Gateway is most compared with Fortinet FortiGate, pfSense, Fortinet FortiOS, WatchGuard Firebox and Cisco ASA Firewall.

    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.