Best Firewall Software with a Free Trial of 2025

Enforza offers a robust cloud firewalling solution designed for enterprise needs, leveraging a cutting-edge network security platform. Our innovative approach converts Linux instances into high-performance firewall appliances equipped with advanced deep packet inspection functionalities. Key Technical Features: • Protection across Layers 4-7 with stateful inspection • Ability to create custom rules with filtering based on specific protocols • Enhanced NAT features, including SNAT and DNAT • Enforcement of security policies across different VPCs and VNETs • Minimal latency impact, measured in sub-milliseconds Enforza simplifies the complexity of firewall configurations while delivering exceptional performance compared to native cloud offerings. Experience strong firewall protection without the data processing fees often associated with AWS Network Firewall, Azure Firewall, and NAT Gateways. Safeguard your cloud infrastructure with immediate effect. For detailed technical specifications, visit enforza.com/firewall.

Heimdal® Endpoint Detection and Response is our proprietary multi-solution service providing unique prevention, threat-hunting, and remediation capabilities. It combines the most advanced threat-hunting technologies in existence: Heimdal Next-Gen Antivirus, Heimdal Privileged Access Management, Heimdal Application Control, Heimdal Ransomware Encryption Protection, Heimdal Patch & Asset Management, and Heimdal Threat Prevention. With 6 modules working together seamlessly under one convenient roof, all within one agent and one platform, Heimdal Endpoint Detection and Response grants you access to all the essential cybersecurity layers your business needs to protect itself against both known and unknown online and insider threats. Our state-of-the-art product empowers you to quickly and effortlessly respond to sophisticated malware with stunning accuracy, protecting your digital assets and your reputation in the process as well.

For IT professionals to stop ransomware, you need to do more than look for threats. ThreatLocker helps you reduce your surface areas of attack with policy-driven endpoint security and change the paradigm from only blocking known threats, to blocking everything that is not explicitly allowed. Combined with Ringfencing and additional controls, you enhance your Zero Trust protection and block attacks that live off the land. Discover today the ThreatLocker suite of Zero Trust endpoint security solutions: Allowlisting, Ringfencing, Elevation Control, Storage Control, Network Access Control, Unified Audit, ThreatLocker Ops, Community, Configuration Manager and Health Center. 

Kamatera offers robust cloud firewall solutions designed to safeguard cloud servers and private cloud networks from various attacks. Our team of cloud security professionals is dedicated to configuring cloud firewalls and continuously monitoring server activities in real-time. We prioritize your data's security by assessing and filtering data packets to determine their origin, destination, and content, allowing only verified and authorized packets to access your servers. Our cloud firewalls provide a comprehensive, all-in-one security solution, seamlessly integrating with all virtual appliances for thorough protection. In addition, Kamatera’s cloud firewalls can serve as a hardware VPN server, effectively managing all network traffic without the need for supplementary VPN services. Thanks to their adaptability and limitless scalability, our cybersecurity offerings cater to individuals, small and medium-sized businesses, as well as large enterprises. A single cloud firewall is capable of safeguarding your entire cloud infrastructure.

Imunify360 provides security solutions for web-hosting servers. Imunify360 is more than antivirus and WAF. It combines an Intrusion Prevention & Detection system with an Application Specific Web Application Firewall, Real time Antivirus protection, and Patch Management components into one security suite. Imunify360 is fully automated and displays all statistics in an intuitive dashboard.

ZoneAlarm for Business offers comprehensive, advanced, and flexible solutions for unmanaged businesses such as small businesses, Telco’s, government municipalities, and other businesses with little to no IT resources available. With its easy deployment and maintenance, ZoneAlarm for Business offers you Check Point’s vigorous multi-platform protection and support, made simple. ZoneAlarm Extreme Security NextGen is the comprehensive, ultimate PC and mobile security solution for all your business security needs, using Check Point’s cutting-edge enterprise-grade technology. Next-gen antivirus with award-winning Anti-Ransomware, advanced phishing protection, and secure browsing experience. Our advanced cyber security solutions use business-class protection to secure millions of home users’ PCs and mobile devices against the latest worldwide cyber threats. This powerful weapon is extremely effective at spotting malicious files and cyberattacks that evade traditional antiviruses.

NextDNS offers comprehensive protection from various security risks, effectively blocking advertisements and trackers across websites and applications while ensuring a secure and monitored online experience for children on all devices and networks. You can assess your security needs and customize your protection by activating over ten different safety measures. By utilizing reliable threat intelligence feeds that contain millions of harmful domains and update constantly, you can enhance your defense mechanisms. Our system goes beyond merely tracking domains; it evaluates DNS queries and responses instantaneously, allowing for the swift identification and prevention of harmful activities. Given that there is often only a brief window of hours from when a domain is registered to when it is used in an attack, our advanced threat intelligence framework is designed to identify malicious domains more efficiently than traditional security methods. Additionally, you can effectively eliminate advertisements and trackers in both websites and applications, including even the most sophisticated ones, by leveraging the most widely used ad and tracker blocklists, which include millions of domains that are refreshed in real-time. Ultimately, NextDNS empowers users with tools to create a safer browsing environment tailored to their specific security needs.

Our offerings deliver your security systems with unparalleled, comprehensive visibility into your network infrastructure. This capability is essential for keeping up with the ever-growing speed and complexity of networks, while also equipping you with the insights necessary to effectively identify and address breaches, leading to swift recovery. By adopting Network Critical solutions, you can enhance the performance of your current security system, thereby boosting your return on investment. To begin with, SPAN ports have long been recognized as an inadequate solution for network security. Hackers can easily compromise routers, switches, and entire networks without being detected, demonstrating a significant flaw in this approach. Additionally, SPAN ports fail to provide real-time information, which further undermines your network's security. In contrast, Network TAPs serve as a transparent portal, allowing you to monitor data in real-time without any alterations. This fundamental difference is crucial for maintaining a robust security posture against evolving threats. As organizations increasingly rely on real-time analytics, the advantages of using Network TAPs over SPAN become even more pronounced.

Avast Small Business Solutions deliver next-gen endpoint protection for business Windows PCs, Mac, and Windows servers that you can manage anywhere via a web browser. Go about your business knowing you are backed by effective cybersecurity built for small companies. Control your IT security from anywhere, powered by the cloud, advanced AI, and a global threat detection network. Avast Small Business Solutions consist of: * Avast Essential Business Security helps deliver device security for small businesses that want remote visibility and centrally controlled protection against viruses, phishing, ransomware, and advanced cyberattacks.  * Avast Premium Business Security combines our next-gen antivirus with VPN and USB control to help your employees and their devices stay more private and safer online, as well as offline.  * Avast Ultimate Business Security includes our award-winning next-gen antivirus with online privacy tools and patch management automation software to help keep your devices, data, and applications updated and secure.

FortiWeb WAF protects web applications and APIs from the OWASP Top 10, zero-day threats, and other application-layer attacks. It also includes robust features such as API discovery and protection, bot mitigation, threat analytics, and advanced reporting.

Our Linux virtual machines simplify cloud infrastructure and provide a robust set of tools that make it easy to develop, deploy, scale, and scale modern applications faster and more efficiently. Linode believes virtual computing is essential to enable innovation in the cloud. It must be accessible, affordable, and easy. 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 allow developers and businesses to create, deploy, scale, and scale applications in the cloud more efficiently and cost-effectively.

Achieve unparalleled visibility, robust protection, and rapid response capabilities. Enhanced visibility into risky activities, unusual traffic patterns, and sophisticated threats allows you to take command of your network once more. Next-generation protection solutions, including deep learning and intrusion prevention, ensure the safety of your organization. Automated threat responses swiftly detect and isolate compromised systems, effectively halting the spread of threats. The XG Firewall simplifies the process of extending secure network access to employees regardless of their location. With Sophos Connect, you can easily deploy and configure a user-friendly VPN client for seamless connectivity. This enables your remote workforce to securely access corporate resources from both Windows and macOS devices. Furthermore, our compact and budget-friendly XG 86(w) and SD-RED devices deliver top-tier SOHO protection, featuring always-on dedicated or split-tunnel VPN options that are straightforward to manage and deploy with a range of customizable features. This comprehensive approach ensures that your network remains fortified, adaptable, and responsive to the evolving threat landscape.

The Check Point CloudGuard platform delivers comprehensive cloud-native security, ensuring advanced threat prevention for all your assets and workloads within public, private, hybrid, or multi-cloud settings, effectively unifying security measures for automation across the board. With its Prevention First Email Security, users can thwart zero-day attacks and stay one step ahead of cybercriminals by harnessing unmatched global threat intelligence and employing a robust, layered email security framework. The platform enables quick and seamless deployment through an invisible inline API-based prevention system, tailored to match the pace of your business operations. Additionally, it offers a unified solution for cloud email and office suites, providing detailed insights and transparent reporting via a single dashboard, along with a consolidated license fee that covers all mailboxes and enterprise applications. In essence, Check Point CloudGuard ensures that organizations can manage their security posture effectively while benefiting from a streamlined approach to safeguarding their cloud environments. As businesses expand their digital footprint, such solutions become increasingly vital for maintaining security and operational efficiency.

Achieve thorough security for both on-premises and multi-cloud environments utilizing an integrated firewall solution tailored for cloud protection. The frictionless, cloud-based Advanced Threat Protection system identifies and neutralizes sophisticated threats such as zero-day vulnerabilities and ransomware attacks. With access to a global threat intelligence network powered by millions of data points, you can swiftly defend against emerging threats. Modern cyber risks like ransomware, advanced persistent threats, and targeted assaults necessitate increasingly advanced defensive strategies that provide precise threat identification alongside prompt action. The Barracuda CloudGen Firewall delivers a complete suite of next-generation firewall technologies, ensuring immediate protection against a wide array of network dangers, vulnerabilities, and exploits, including SQL injections, cross-site scripting, denial of service attacks, trojans, viruses, worms, spyware, and beyond. This robust solution not only enhances security but also streamlines compliance with industry regulations, making it an essential component for any organization aiming to safeguard its digital assets.

Data is the most valuable asset of your company, so it is important to protect it. Network security is about zero trust. You should never trust anyone outside or within your network perimeter. Network security is becoming more difficult because network perimeters are blurring and endpoints continue proliferating. Cyberattacks are also being launched using machine learning and automation. Organizations are shifting to the cloud to protect their data in a hybrid cloud/on premises environment. This is without adding cost or complexity. A huge step towards secure environments is the combination of micro-segmentation and real-time network governance. You can improve your security posture through automation and data by choosing the right software solution. ditno is a cybersecurity management platform that offers a zero trust network approach to simplify and improve security.

Prophaze Cloud WAF serves as a safeguard for businesses against cybercriminals aiming to infiltrate and compromise information from Web Applications, Mobile App Gateways, or APIs. In contrast to conventional firewalls, Prophaze WAF focuses specifically on defending web and mobile APIs through its innovative Adaptive Profiling and machine learning algorithms based on user behavior. This solution is designed to operate seamlessly on the Kubernetes Platform, ensuring that clients' Kubernetes clusters and cloud infrastructures are protected from a range of potential attack vectors. Ultimately, Prophaze Cloud WAF enhances the overall security posture of organizations while adapting to emerging threats.

Sophos UTM elevates threat prevention to unprecedented heights. At the core of Sophos Sandstorm is an advanced deep learning neural network, a sophisticated type of machine learning that effectively identifies both familiar and unfamiliar malware without depending on traditional signatures. Notably, Sophos UTM 9.4 stands out as one of the pioneering products to incorporate our state-of-the-art next-gen cloud sandboxing technology. Sandstorm significantly enhances protection against ransomware and targeted attacks while providing comprehensive visibility and analytical capabilities. It swiftly and accurately detects evasive threats before they infiltrate your network. Furthermore, it delivers exceptional value by offering enterprise-quality protection without the burden of exorbitant costs or complexities. You can fortify your web servers and Microsoft Enterprise Applications against cyber threats while ensuring secure access for external users through reverse proxy authentication. Additionally, our unique all-in-one solution guarantees complete SMTP and POP message protection from spam, phishing attempts, and data breaches, enhancing your overall cybersecurity posture. Ultimately, Sophos UTM equips businesses with robust tools to safeguard their digital assets effectively.

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. Complete full-proxy Layer 4 load balancer and Layer 7 load balancer with flexible aFleX® scripting and customizable server health checks. Increase application security with advanced SSL/TLS offload, single sign-on (SSO), DDoS protection and Web Application Firewall (WAF) capabilities.

Sangfor Network Secure, which was formerly referred to as Sangfor NGAF, stands as the pioneering Next-Generation Firewall (NGFW) that merges advanced AI Technology, Cloud Threat Intelligence, NG-WAF, IoT Security, and SoC Lite into a single solution. With its innovative approach, Sangfor Network Secure elevates Next Generation Firewall solutions to address the dynamic security requirements of today's enterprises. This product has earned multiple “world’s first” recognitions due to its forward-thinking design and technical capabilities. It is the first AI-enabled NGFW that utilizes intelligent detection methods, successfully blocking over 99% of external threats at the network’s edge. Additionally, it is the inaugural NGFW that integrates a Web Application Firewall (WAF), delivering comprehensive protection for both network and web applications within a single device. Furthermore, it is the first NGFW to incorporate deception technology, enhancing its ability to proactively identify and counteract malicious threats. This unique combination of features exemplifies Sangfor's commitment to advancing cybersecurity solutions.

Open source software and a universal router are key to democratizing the way we access networks. VyOS' vision is to revolutionize how we access networks, so that everyone can build the solutions they have always wanted, without limitations, restrictions, or prohibitive prices. We believe that internet access is just as important to human development as food, water, air, and healthcare. VyOS was founded by engineers for engineers. It is an open-source software company that makes it possible to access networks without restrictions or prohibitive fees. Through our open-source software and virtual platforms, we do this as VyOS. Stateful firewalls, zone based firewall, all types source and destination NAT (one-to-one, one-to many, many to many). For auditing, creating customized images and contributing, everyone has access to the entire codebase and build toolchain.

Falcon Firewall Management offers a straightforward and centralized method for creating, managing, and enforcing security policies. It effectively safeguards against network threats while providing immediate visibility to improve protection and facilitate informed decision-making. Utilizing the same lightweight Falcon agent, management console, and cloud-native framework, it can be deployed and become operational within minutes. This system simplifies operations by maintaining a consistent architecture, eliminating the need for reboots, intricate configurations, or fine-tuning during deployment. By consolidating endpoint protection and host firewall management into a single management console, it streamlines workflows and enhances visibility across security controls. Additionally, it automatically detects and displays specific activities, potential threats, and network anomalies, ensuring that users can respond swiftly to emerging risks. With Falcon Firewall Management, organizations can maintain a robust security posture while minimizing administrative overhead.

Recent advancements in artificial intelligence have significantly reduced the emergence of zero-day attacks, enhanced security measures for DevOps, and simplified operations within data centers while allowing for greater scalability. The Quantum Firewall Software R82 offers robust security features and user-friendly operation for both Quantum on-premises and CloudGuard Network firewalls. Utilizing AI, it provides adaptive threat prevention capabilities that are designed to address both novel and encrypted threats effectively. With dynamic tools tailored for swiftly evolving environments, it can automatically adjust to accommodate business growth and unpredictable surges in traffic. Featuring NIST-certified encryption, it guards against the risks posed by quantum computing threats. Furthermore, it reveals hidden relationships and traffic patterns that help thwart new malicious campaigns and combat brand impersonation. By enhancing website categorization, R82 maximizes the effectiveness of existing security policies. This innovative solution also delivers formidable protection against the most elusive phishing attempts, malware, and DNS threats, even within encrypted traffic, ensuring a comprehensive defense strategy. Ultimately, R82 empowers organizations to navigate the complexities of modern cybersecurity challenges with confidence.

Azure Firewall serves as a cloud-based, managed network security solution designed to safeguard your Azure Virtual Network assets. This service operates as a fully stateful firewall with integrated high availability and limitless scalability tailored for cloud environments. By utilizing Azure Firewall, you can simplify the deployment and administration of your network security while ensuring robust protection for your resources. It enables you to construct, enforce, and monitor connectivity policies for applications and networks across various subscriptions and virtual networks. With Azure Firewall, you can centralize the management of security protocols across all virtual networks, utilizing a unified set of application and network rules to enhance security oversight. This approach not only streamlines management but also fortifies your overall network defense.

CIRA's DNS Firewall serves as a safeguard against malware and phishing threats by preventing access to harmful websites. By integrating sophisticated data analytics with extensive experience in DNS management, CIRA enhances your multi-layered defense strategy against cyber threats. In the realm of cybersecurity, relying on a singular solution is inadequate, as no single method can guarantee absolute protection. Whether employing traditional endpoint security or firewalls, incorporating a DNS firewall is vital for a robust defense-in-depth approach. This DNS Firewall not only adds a cost-effective and easily managed layer to your cybersecurity infrastructure but also actively monitors and evaluates DNS traffic. As a result, it can effectively block user access to dangerous websites, thwart phishing attempts, and restrict malware on your network from reaching the internet. Furthermore, it optimizes data routing within Canadian networks, ensuring improved performance while maintaining privacy through the secure and sovereign management of all data. By choosing CIRA's solution, you strengthen your overall cybersecurity posture significantly.

Cipafilter provides insightful reports detailing the most frequented websites, the most engaged users, unusual activities, and much more. With user-friendly navigation, you can pinpoint exactly what you're looking for and track user locations effortlessly. Are you aware of which website or student consumes the most bandwidth? What are the most common search queries among your students? How can you generate a report of a specific user's browsing history? Cipafilter's extensive reporting tools will help you answer these questions and much more. Monitoring internet usage across different devices can be a challenge, often leaving you with either insufficient data or an overwhelming amount of it, both of which obscure your understanding of network activities. Regardless of whether you're on or off your network, you can utilize full reporting features on any device. Our InSite™ reports deliver a straightforward and clear overview of internet usage, allowing you to examine both group and individual browsing patterns. Generating reports for all your devices has never been more straightforward. Plus, with Cipafilter, you can ensure that your network remains efficient and secure while maintaining a comprehensive understanding of user behavior online.