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Compare the Top Firewall Software of 2021

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Firewall Software Guide

What is Firewall Software?

Firewall software provides the tools to keep networks and data secure from malware and malicious threats by enforcing security barriers. Compare the best Firewall software currently available using the table below.

  • 1
    Imunify360

    Imunify360

    CloudLinux, Inc.

    Imunify360 is a security solution for web-hosting servers. Imunify360 goes beyond antivirus and WAF and is a combination of an Intrusion Prevention and Detection system, a Application Specific Web Application Firewall, Real-time Antivirus protection, a Network Firewall, and Patch Management components in one security suite. Imunify360 is a fully-automated solution and it collects all statistics under an intuitive dashboard.
    Starting Price: $12
  • 2
    Cloudflare

    Cloudflare

    Cloudflare

    Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.
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    Starting Price: $20.00 per user per month
  • 3
    FortiClient

    FortiClient

    Fortinet

    Multilayered endpoint security with behavior based analysis for prevention against known and unknown threats. Complete real-time visibility of all your global software inventory. Here, there, anywhere. Cloud-delivered FortiClient endpoint protection service designed for small and medium-sized business. Integrated endpoint protection platform that provides automated next-generation threat protection, visibility and control of your software and hardware inventory across the entire security fabric. Identify & remediate vulnerable or compromised hosts across your attack surface. As a key piece of the Fortinet Security Fabric, FortiClient integrates endpoints into the fabric for early detection and prevention of advanced threats. Security events including zero-day malware, botnet detections, and vulnerabilities are reported in real-time.
  • 4
    Cisco Meraki
    Network security is hard. Current solutions are complex and tedious to implement. Learn how to simplify security with Cisco Meraki! Trusted by influential brands around the world. With over a million active networks and counting, organizations far and wide count on Meraki to help deliver premium, reliable experiences.
    Starting Price: $40.00
  • 5
    Avast Business Endpoint Security
    Avast Business endpoint security solutions provide businesses and organizations with a comprehensive security stack that's easy to deploy, simple to use, and provides peace of mind that your data and employees are safe from cybercrime.
    Starting Price: $39.99/year
  • 6
    NextDNS

    NextDNS

    NextDNS

    NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids, on all devices and on all networks. Determine your threat model and fine-tune your security strategy by enabling 10+ different types of protections. Use the most trusted threat intelligence feeds containing millions of malicious domains, all updated in real-time. Go beyond the domain, we analyze DNS questions and answers on-the-fly (in a matter of nanoseconds) in order to detect and block malicious behavior. With usually only a few hours between domain registration and the start of an attack, our threat intelligence system is built to catch malicious domains earlier than classic security solutions. Block ads and trackers on websites and in apps, including the most devious ones. Use the most popular ads & trackers blocklists, millions of domains all updated in real-time.
    Starting Price: $39 per month
  • 7
    Sophos XG Firewall
    The world's best visibility, protection, and response. Superior visibility into risky activity, suspicious traffic, and advanced threats helps you regain control of your network. Powerful next-gen protection technologies like deep learning and intrusion prevention keep your organization secure. Automatic threat response instantly identifies and isolates compromised systems on your network to stop threats from spreading. XG Firewall makes it easy to extend your secure network to employees anywhere. Sophos Connect provides an intuitive VPN connection client that’s easy to deploy and configure. Give your remote workers secure access to resources on the corporate network from Windows and macOS devices. Our small, ultra-affordable XG 86(w) and SD-RED devices provide the ultimate in SOHO protection with always-on dedicated or split-tunnel VPN that’s easy to deploy and manage with a variety of flexible options.
  • 8
    WatchGuard Network Security

    WatchGuard Network Security

    WatchGuard Technologies

    Our unique approach to network security focuses on bringing best-in-class, enterprise-grade security to any organization, regardless of size or technical expertise. Ideal for midsize businesses and distributed enterprises, our award-winning Unified Threat Management (UTM) platform is designed from the ground up to focus on ease of deployment, use, and ongoing management, in addition to providing the strongest security possible.
  • 9
    ZoneAlarm Pro

    ZoneAlarm Pro

    Zone Labs

    Zone Labs is a software organization based in the United States that offers a piece of software called ZoneAlarm Pro. ZoneAlarm Pro features training via webinars. The ZoneAlarm Pro software suite is SaaS software. ZoneAlarm Pro offers 24/7 live support. ZoneAlarm Pro is antivirus software, and includes features such as alerts / notifications, application visibility / control, automated testing, intrusion prevention, LDAP integration, physical / virtual environment, sandbox / threat simulation, and threat identification. Software pricing starts at $44.95/year/user. Some competitor software products to ZoneAlarm Pro include Avast Business Endpoint Security, GlassWire, and Barracuda CloudGen Firewall.
    Starting Price: $44.95/year/user
  • 10
    pfSense

    pfSense

    Netgate

    The pfSense project is a free network firewall distribution, based on the FreeBSD operating system with a custom kernel and including third party free software packages for additional functionality. pfSense software, with the help of the package system, is able to provide the same functionality or more of common commercial firewalls, without any of the artificial limitations. It has successfully replaced every big name commercial firewall you can imagine in numerous installations around the world, including Check Point, Cisco PIX, Cisco ASA, Juniper, Sonicwall, Netgear, Watchguard, Astaro, and more.
  • 11
    Zscaler

    Zscaler

    Zscaler

    Zscaler is a software business formed in 2008 in the United States that publishes a software suite called Zscaler. Zscaler includes training via documentation, live online, webinars, and in person sessions. The Zscaler product is SaaS software. Zscaler includes 24/7 live support. Zscaler is IT security software, and includes features such as antivirus, application security, behavioral analytics, encryption, intrusion detection system, threat intelligence, and vulnerability management. Alternative competitor software options to Zscaler include Barracuda CloudGen Firewall, Check Point CloudGuard, and Avast Business Endpoint Security.
  • 12
    Forcepoint NGFW

    Forcepoint NGFW

    Forcepoint

    The Forcepoint Next Generation Firewall has multiple layers of defenses that protect your network, your endpoints, and your users against modern, advanced threats.
  • 13
    Signal Sciences

    Signal Sciences

    Signal Sciences

    The leading hybrid and multi-cloud platform that provides next-gen WAF, API Security, RASP, Advanced Rate Limiting, Bot Protection, and DDoS purpose built to eliminate the challenges of legacy WAF. Legacy WAFs weren’t designed for today’s web apps that are distributed across cloud, on-premise or hybrid environments. Our next-gen web application firewall (NGWAF) and runtime application self protection (RASP) increase security and maintain reliability without sacrificing velocity, all at the lowest total cost of ownership (TCO).
  • 14
    GlassWire

    GlassWire

    GlassWire

    GlassWire is an endpoint firewall software for Windows PCs and Android phones. Visualize your device network activity, then block data hogs, malware, and other badly behaving applications.
    Starting Price: $49.00/one-time/user
  • 15
    Linode

    Linode

    Linode

    Simplify your cloud infrastructure with our Linux virtual machines and robust set of tools to develop, deploy, and scale your modern applications faster and easier. Linode believes that in order to accelerate innovation in the cloud, virtual computing must be more accessible, affordable, and simple. Our infrastructure-as-a-service platform is deployed across 11 global markets from our data centers around the world and is supported by our Next Generation Network, advanced APIs, comprehensive services, and vast library of educational resources. Linode products, services, and people enable developers and businesses to build, deploy, and scale applications more easily and cost-effectively in the cloud.
    Starting Price: $5 per month
  • 16
    WAPPLES SA

    WAPPLES SA

    Penta Security Systems, Inc.

    WAPPLES SA (software appliance) is a virtual web application firewall (WAF) that can be seamlessly integrated with cloud systems and other virtual environments. It is a great solution for enterprise customers such as data centers and hosting providers as well as SMBs such as managed security service providers and private cloud business infrastructures. WAPPLES SA has support for popular hypervisors including KVM, Citrix Hypervisor, and vSphere Hypervisor. WAPPLES SA (Software Appliance) generally provides all the capabilities of the hardware WAPPLES appliance with the added ability to scale as your business grows. Based on the same award-winning WAPPLES technology, WAPPLES SA can detect and block known, modified, and zero-day attacks with its Contents Classification and Evaluation Processing (COCEPâ„¢) engine.
  • 17
    A10 Thunder ADC

    A10 Thunder ADC

    A10 Networks

    High-performance advanced load balancing solution that enables your applications to be highly available, accelerated, and secure. Ensure efficient and reliable application delivery across multiple datacenters and cloud. Minimize latency and downtime, and enhance end-user experience. Increase application security with advanced SSL/TLS offload, single sign-on (SSO), DDoS protection and Web Application Firewall (WAF) capabilities. Integrate with the Harmony™ Controller to gain deep per-application visibility and comprehensive controls for secure application delivery across on-premises datacenters, public, private and hybrid clouds. Complete full-proxy Layer 4 load balancer and Layer 7 load balancer with flexible aFleX® scripting and customizable server health checks. High performance SSL Offload with up-to-date SSL/TLS ciphers enabling optimized and secure application service. Global Server Load Balancing (GSLB) extends load balancing on a global basis.
  • 18
    UltraDNS

    UltraDNS

    Neustar

    Neustar UltraDNS is an enterprise grade, cloud-based authoritative DNS service that securely delivers fast and accurate query responses to websites and other vital online assets. Enterprise grade, managed authoritative DNS service that ensures 100% website availability along with built-in security for superior protection. In a connected world, as Internet users expect seamless and secure online experiences, DNS has become more difficult and complex to manage than ever before. The emergence of IoT devices and online threats leave businesses struggling to find the correct DNS strategy for their IT needs. Having the experience and DNS know-it-all in-house is nearly impossible, let alone having the dedicated resources to correctly manage and implement a sound strategy to meet today’s Internet demands. Ensure that your website and other online assets are always available. Backed by our 100% uptime guarantee and industry leading SLAs, UltraDNS offers a global platform.
    Starting Price: $49.00 per month
  • 19
    Google Cloud Firewalls
    Google Cloud firewalls are fully embedded in the cloud networking fabric, highly scalable, and granular to meet your enterprise’s unique security needs. Flexible and customizable: Benefit from protection at the organization, folder, and project level with flexible control over firewall rules and policies. Visibility and optimization: Gain insights into firewall rule usage and optimization opportunities to help you keep your deployment safe and easy to manage. Granular controls: Leverage network tags and service accounts to define granular control for both north-south and east-west traffic.
  • 20
    Prophaze WAF

    Prophaze WAF

    Prophaze Technologies

    Prophaze Cloud WAF protects organizations from malicious hackers who are trying to attack and steal data from Web Applications or Mobile App Gateways or APIs. Unlike traditional firewalls, Prophaze WAF exclusively protects web and mobile APIs from security breach using its Adaptive Profiling and Behavioral-based machine learning algorithms. The product is built natively on Kubernetes Platform and secures customers Kubernetes clusters and cloud infrastructure from various attack vectors.
    Starting Price: $299 per month
  • 21
    Sangfor NGAF

    Sangfor NGAF

    Sangfor Technologies

    Sangfor NGAF is the world's first AI enabled and fully integrated NGFW (Next Generation Firewall) + WAF (Web Application Firewall) with an all-around protection from all threats powered by innovations such as Neural-X and Engine Zero. It is a truly secured, integrated and simplified firewall solution, providing holistic overview of the entire organization security network, with ease of management for administration, operation & maintenance. As the IT industry evolves, so does malicious malware like Ransomware, allowing those with insidious intentions access to all our confidential data, financial information, personal information and more. Traditional internet security solutions are becoming obsolete in the face of rapidly evolving malicious software and network security is taking on a more prominent role in the IT industry.
  • 22
    Cipafilter

    Cipafilter

    Cipafilter

    Cipafilter’s reports show you top visited sites, most active users, suspicious activity, and more. You can easily navigate these reports to find exactly what you want and see exactly where your users have been. Can you tell what site or student is using most of your bandwidth? What are the top searches in your school? How do you print out a single users web history? Answer these questions and more with Cipafilter's comprehensive reporting tools. Tracking internet usage on various device types is frustrating. Even basic information can become impossible to find. You’re either given too little information or way too much. Both make it difficult to clearly see what’s happening on your network. Use any device on or off your network with full reporting capabilities. Our InSite™ reports provide a clear, concise picture of internet activity. You're able to review group or individual browsing histories. Reports have never been easier to run for all your devices.
  • 23
    Trustwave

    Trustwave

    Trustwave

    Cloud-native platform that gives enterprises unprecedented visibility and control over how security resources are provisioned, monitored and managed across any environment. The Trustwave Fusion platform is a cloud-based cybersecurity platform that serves as the foundation for the Trustwave managed security services, products and other cybersecurity offerings. The Trustwave Fusion platform is purpose built to meet the enterprise where they are today in their operations and in the future as they embrace digital transformation and contend with a continuously evolving security landscape. Connects the digital footprints of enterprises and government agencies to a robust security cloud comprised of the Trustwave data lake, advanced analytics, actionable threat intelligence, a wide range of security services and products and Trustwave SpiderLabs, the company’s elite team of security specialists.
  • 24
    Comodo Endpoint Security Manager
    Comodo Group is a United States software company that was founded in 1999, and offers a software title called Comodo Endpoint Security Manager. Comodo Endpoint Security Manager offers training via in person sessions. Comodo Endpoint Security Manager offers a free version. Comodo Endpoint Security Manager is endpoint protection software, and includes features such as alerts / notifications, application visibility / control, automated testing, intrusion prevention, LDAP integration, physical / virtual environment, sandbox / threat simulation, and threat identification. With regards to system requirements, Comodo Endpoint Security Manager is available as SaaS, Windows, Mac, iPhone, iPad, and Android software. Costs start at $4.00/one-time/user. Comodo Endpoint Security Manager includes 24/7 live support. Some alternative products to Comodo Endpoint Security Manager include FortiClient, Avast Business Endpoint Security, and Barracuda CloudGen Firewall.
    Starting Price: $4.00/one-time/user
  • 25
    Secucloud ECS2

    Secucloud ECS2

    Secucloud

    Based on sender or recipient addresses and the services used, the firewall restricts access to the network. It monitors ongoing data traffic and uses fixed rules to decide whether certain network packets are allowed through or not. As the firewall instance is perfectly integrated into an infinitely scalable cloud environment, the ECS2 offers performance and stability far exceeding the average. Consequently, in contrast with conventional security solutions, peak loads are no problem. Secucloud’s ECS2 firewall solution is based on state-of-the-art firewall solutions from the enterprise environment, such as those used by Check Point, Palo Alto Networks, Juniper Networks, Fortinet and many others. By combining the range of security systems in the ECS2 architecture with a global security cloud infrastructure, companies receive a powerful, scalable solution, which ensures comprehensive security in real time for every device, in every location.
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