List of the Top 25 Firewall Software in 2025

To effectively combat ransomware, IT professionals must implement strategies that go beyond merely monitoring for threats. ThreatLocker offers a solution by minimizing attack surfaces through policy-driven endpoint security, shifting the focus from just blocking recognized threats to preventing anything that isn’t expressly permitted. By incorporating features like Ringfencing and other robust controls, organizations can bolster their Zero Trust framework and effectively thwart attacks that exploit existing resources. Explore the comprehensive suite of ThreatLocker’s Zero Trust endpoint security solutions, which includes Allowlisting, Ringfencing, Elevation Control, Storage Control, Network Access Control, Unified Audit, ThreatLocker Ops, Community, Configuration Manager, and Health Center, to enhance your cybersecurity posture today. This proactive approach not only safeguards your network but also empowers your team to maintain greater control over security protocols.

Kamatera offers robust cloud firewall solutions designed to safeguard cloud servers and private networks from cyber threats. Our team of cloud security professionals is adept at configuring firewalls and continuously monitoring server activities in real-time. By thoroughly analyzing and filtering data packets, we effectively identify their source, destination, and content, ensuring that only verified and authorized packets gain access to your servers. Our cloud firewalls provide a comprehensive, all-in-one security solution, compatible with a variety of virtual appliances to ensure extensive protection. Additionally, Kamatera's cloud firewalls can serve as a hardware-based VPN server, managing all network traffic and negating the need for separate VPN services. With their flexibility and limitless scalability, our cybersecurity offerings cater to individuals, small to medium-sized businesses, and large enterprises alike. One cloud firewall is capable of securing your entire cloud infrastructure, making it an ideal choice for various organizational needs.

Imunify360 offers comprehensive security solutions tailored for web-hosting servers. Beyond merely functioning as antivirus software and a web application firewall, Imunify360 integrates an Intrusion Prevention and Detection system along with a specialized web application firewall, real-time antivirus protection, and patch management features into a cohesive security package. This innovative suite is designed to be fully automated, providing users with an intuitive dashboard that presents all relevant statistics clearly. In addition, Imunify360 continuously updates its protective measures to adapt to emerging threats, ensuring that web-hosting environments remain secure at all times.

ZoneAlarm for Business provides a robust, adaptable, and thorough suite of solutions aimed at unmanaged enterprises like small companies, telecom providers, government bodies, and other organizations with limited IT capabilities. Featuring straightforward deployment and maintenance, ZoneAlarm for Business simplifies access to Check Point’s powerful multi-platform security and assistance. ZoneAlarm Extreme Security NextGen stands as the all-encompassing, top-tier security solution for PCs and mobile devices, tailored to meet every aspect of your business's security requirements by leveraging Check Point’s state-of-the-art enterprise-level technology. Its next-generation antivirus includes award-winning Anti-Ransomware, advanced phishing safeguards, and a secure browsing experience. Our sophisticated cybersecurity offerings deliver business-grade protection, successfully defending millions of personal computers and mobile devices from the most recent global cyber threats. This formidable tool excels at detecting harmful files and cyber threats that often slip past conventional antivirus solutions, ensuring a higher level of security for users. As cyber threats continue to evolve, businesses must remain vigilant and proactive in their defense strategies.

Zscaler stands out as a pioneer with its Zero Trust Exchange platform, which utilizes the most expansive security cloud in the world to optimize business functions and improve responsiveness in a fast-evolving landscape. The Zero Trust Exchange from Zscaler enables rapid and safe connections, allowing employees the flexibility to operate from any location by treating the internet as their corporate network. Following the zero trust principle of least-privileged access, this solution provides robust security through context-aware identity verification and stringent policy enforcement. With a network spanning 150 data centers worldwide, the Zero Trust Exchange ensures users are closely connected to the cloud services and applications they depend on, like Microsoft 365 and AWS. This extensive infrastructure guarantees the most efficient routes for user connections, ultimately delivering comprehensive security while ensuring an outstanding user experience. In addition, we encourage you to take advantage of our free service, the Internet Threat Exposure Analysis, which is designed to be quick, secure, and private for all participants, helping organizations pinpoint vulnerabilities and effectively bolster their security defenses. Our commitment to safeguarding your digital environment is paramount, and this analysis serves as an essential step toward enhancing your organization's resilience against potential threats.

Securing networks poses considerable difficulties, with many current solutions being complicated and difficult to implement effectively. Explore how Cisco Meraki can simplify your security protocols! Esteemed worldwide, it is favored by top brands for its reliable offerings. With over a million active networks, organizations around the globe depend on Meraki for superior service and support. All Meraki devices are managed securely and centrally from the cloud via a consolidated web dashboard. Our intuitive and feature-rich framework empowers clients to save time, reduce operational costs, and tackle new business challenges with ease. Recognized as the gold standard for straightforward management and efficient, dependable Wi-Fi, it guarantees strong security and connectivity for your most important assets, regardless of your location. Enjoy unmatched performance and reliability at the heart of your network, complemented by remote monitoring and identity-based configuration for every device in your system. This cutting-edge approach not only boosts security but also enhances network efficiency, making it an ideal solution for businesses of any scale, ensuring they can thrive in a constantly evolving digital landscape.

Avast Small Business Solutions provide cutting-edge endpoint protection for Windows PCs, Macs, and Windows servers, all manageable from any web browser. With confidence, you can focus on your operations knowing that your small business is supported by robust cybersecurity specifically designed for its needs. Your IT security can be remotely managed thanks to cloud capabilities, sophisticated AI, and a worldwide network for threat detection. The offerings under Avast Small Business Solutions include: * Avast Essential Business Security, which provides device protection for small enterprises seeking remote oversight and centralized defense against viruses, phishing, ransomware, and sophisticated cyber threats. * Avast Premium Business Security, which merges advanced antivirus technology with VPN and USB control, ensuring that your employees and their devices maintain greater privacy and security both online and offline. * Avast Ultimate Business Security, encompassing our award-winning next-gen antivirus along with online privacy solutions and automated patch management software to ensure that your devices, data, and applications remain up-to-date and protected. In addition to these features, Avast continually updates its solutions to adapt to new cyber threats, ensuring that your business remains resilient in the face of evolving challenges.

Our Linux virtual machines streamline cloud infrastructure while offering a comprehensive suite of tools designed to facilitate faster and more efficient development, deployment, and scaling of modern applications. Linode is committed to ensuring that virtual computing is a catalyst for cloud innovation, emphasizing the need for it to be accessible, affordable, and user-friendly. With our infrastructure-as-a-service platform available across 11 global markets from strategically located data centers, we leverage our Next Generation Network, advanced APIs, extensive services, and a rich repository of educational materials to support users. By combining Linode's products, services, and knowledgeable staff, developers and businesses are empowered to create, deploy, and scale applications in the cloud with greater efficiency and cost-effectiveness, ultimately driving forward their technological aspirations. Additionally, our focus on continuous improvement ensures that users have access to the latest advancements in cloud technology.

Secure both on-premises and multi-cloud environments with a comprehensive firewall solution specifically designed for cloud security. The seamless, cloud-based Advanced Threat Protection system efficiently detects and mitigates sophisticated threats, including zero-day exploits and ransomware incidents. With access to an extensive global threat intelligence network, informed by millions of data points, organizations can quickly respond to new and evolving threats. As modern cyber risks, such as ransomware and advanced persistent threats, continue to escalate, the need for sophisticated defensive strategies that ensure accurate threat detection and rapid response becomes paramount. The Barracuda CloudGen Firewall offers a robust array of next-generation firewall technologies, providing immediate defense against a diverse range of network risks, vulnerabilities, and attacks including SQL injections, cross-site scripting, denial of service assaults, and various types of malware. This powerful solution not only bolsters security but also facilitates adherence to industry regulations, thereby becoming an indispensable asset for any organization dedicated to protecting its digital resources. Moreover, with the increasing complexity of cyber threats, the importance of integrating advanced security measures cannot be overstated.

DDoS attacks have the potential to inundate bandwidth, utilize network resources, and disrupt application services, posing a significant risk to organizations. Are you prepared to safeguard your infrastructure against these types of threats? The Advanced Firewall Manager is specifically engineered to proactively tackle network risks before they can compromise critical data center functions. It seamlessly merges application configurations with network security policies, which allows for more rigorous enforcement of safety measures. By identifying and neutralizing threats related to the network, protocols, and DNS before they can affect vital data center components, it significantly bolsters overall protection. Moreover, it supports SNMP, SIP, DNS, and IPFIX collectors, ensuring that log servers remain resilient against excessive strain. In addition, it enhances the defenses of data center assets with specialized measures, backed by F5's extensive threat intelligence resources. Through customized reports and analytics, you can gain valuable insights into traffic patterns directed at your data center. With F5 iRules, you are equipped to address intricate zero-day vulnerabilities or gather essential forensic data. Your network infrastructure along with mobile users is shielded from a multitude of attacks, including DDoS, thereby maintaining operational continuity and security. This holistic approach to threat management not only protects critical assets but also significantly improves resilience against the ever-evolving landscape of cyber threats, ensuring that your organization is well-prepared for future challenges.

UltraDNS is a powerful, cloud-driven authoritative DNS service tailored for enterprises, offering dependable and rapid query responses for websites and vital online assets. This fully managed DNS solution ensures total website availability while integrating cutting-edge security measures for heightened protection against online threats. As global users increasingly seek seamless and secure digital experiences, the intricacies of DNS management have surged dramatically. The growth of Internet of Things (IoT) devices and the proliferation of various cyber threats have posed significant challenges for organizations aiming to create a robust DNS strategy that meets their IT needs. It has become progressively more challenging to sustain a skilled in-house team dedicated to DNS management, and acquiring the necessary resources to develop a cohesive strategy that addresses today's Internet challenges can often be impractical. With UltraDNS, you can guarantee that your website and digital assets are consistently accessible, as the service is backed by a promise of 100% uptime and exceptional service-level agreements across a global platform. This unwavering commitment allows businesses to concentrate on their core activities, all while relying on the expertise of professionals who expertly manage their online presence. By leveraging UltraDNS, organizations can navigate the complexities of DNS while ensuring their digital infrastructure remains resilient and responsive to evolving demands.

Prophaze Cloud WAF acts as a protective barrier for organizations, shielding them from cybercriminals who attempt to access and compromise data from Web Applications, Mobile App Gateways, or APIs. Unlike traditional firewalls, Prophaze WAF employs cutting-edge Adaptive Profiling and machine learning techniques that analyze user behavior to specifically safeguard web and mobile APIs. This advanced solution is engineered to function effortlessly on the Kubernetes Platform, providing robust protection for clients' Kubernetes clusters and cloud infrastructures against various potential threats. By continuously adapting to new dangers, Prophaze Cloud WAF not only fortifies the security measures of organizations but also ensures a responsive defense in an ever-evolving digital landscape. Consequently, businesses can maintain their focus on growth and innovation, knowing their critical assets are secure.

Guardian provides a dependable and secure solution for protecting your privacy and data while engaging with apps and browsing the web on your iOS device. By directing traffic through its firewall servers, Guardian effectively hides your IP address from the sites you access, making it more challenging for advertisers to monitor your activities. It employs robust AES-256 encryption to safeguard your passwords, financial information, and other sensitive data, rendering it nearly impossible for hackers to breach your security, regardless of your location. Alongside this strong encryption for all outgoing traffic, Guardian also eliminates unwanted junk, thereby improving your mobile surfing experience. You can safely allow permissions for certain applications on your device, assured that any attempts to send data to unauthorized trackers will be efficiently blocked. Moreover, Guardian prevents unwanted connections from various trackers, including those that monitor your location, emails, and generic data, creating a more secure online environment. This all-encompassing protection not only secures your privacy but also enables you to explore the digital landscape with confidence and tranquility. With Guardian, you can enjoy the internet while knowing that your personal information is well-guarded against potential threats.

The Android Firewall is crafted for immediate deployment, providing strong defenses against hacker attacks while notifying you each time an application tries to send data online. You will be able to see which apps are connecting to different servers and using your mobile data. With easy-to-use filtering options, you can choose to allow or block specific app connections. This firewall empowers you to effectively manage and prevent unwanted data traffic. Additionally, you have the option to completely restrict an app's access to the internet. The AI-enhanced Android firewall protects you from unauthorized intrusions by recognized intelligence agencies and governmental bodies. Our built-in Intrusion Prevention System (IPS) proactively blocks all known servers and IP addresses linked to organizations such as the FBI, CIA, NSA, and GCHQ, thereby adding an extra layer of security. If there is an attempt to reach these restricted entities, you will receive a specific notification. Furthermore, Firewall AI protects you from surveillance servers based in nations like China, Iran, and Russia, as well as threats from mobile tracking, ensuring that your privacy is preserved and secure. In an age where data breaches are becoming more frequent, this firewall stands as a vital resource for anyone who prioritizes their online safety and wishes to navigate the digital landscape with confidence. It is not just a security tool; it represents a commitment to personal privacy and data protection.

Comodo Advanced Endpoint Protection offers a stellar anti-malware suite that meticulously protects your servers, workstations, laptops, and netbooks, while also providing advanced, real-time monitoring and management of crucial system resources. It can function as a complete security solution or as a standalone sandbox to boost existing antivirus programs, making Comodo ESM a leading option for endpoint defense on Microsoft Windows systems, including servers, desktops, laptops, and tablets. The full Comodo Endpoint Security suite features five layers of protection—Antivirus, Firewall, Host Intrusion Prevention, Auto-Sandbox, and File Reputation—operating at the user level right on the desktop. Its cutting-edge auto-sandbox technology effectively blocks malware infections and prevents damage to the operating system by running untrusted processes in a controlled environment. Additionally, Comodo's endpoint security is uniquely recognized as the only managed anti-malware solution that includes a limited warranty of $5,000 against malware infections, reinforcing its dedication to user security. By merging these advanced functionalities, Comodo ensures users benefit from a strong and dependable defense against the ever-changing landscape of cyber threats, instilling confidence in their digital safety.

Sophos UTM takes threat prevention to new and impressive levels. At the heart of Sophos Sandstorm lies an advanced deep learning neural network, a sophisticated form of machine learning that proficiently recognizes both known and unknown malware without relying on conventional signatures. Importantly, Sophos UTM 9.4 is among the first products to integrate our cutting-edge next-gen cloud sandboxing technology. Sandstorm significantly boosts defenses against ransomware and targeted assaults while offering extensive visibility and analytical tools. It promptly and accurately identifies evasive threats before they can penetrate your network. Additionally, it provides remarkable value by delivering enterprise-grade protection without the hassle of high costs or complexities. You can enhance the security of your web servers and Microsoft Enterprise Applications against cyber threats while ensuring secure access for external users through reverse proxy authentication. Our innovative all-in-one solution also offers complete SMTP and POP message protection against spam, phishing attacks, and data breaches, which significantly elevates your overall cybersecurity strategy. In summary, Sophos UTM empowers organizations with powerful tools to effectively protect their digital assets and maintain a strong security posture. With these capabilities, businesses can confidently navigate the ever-evolving landscape of cyber threats.

Sangfor Network Secure, previously known as Sangfor NGAF, is a groundbreaking Next-Generation Firewall (NGFW) that seamlessly integrates cutting-edge AI technology, Cloud Threat Intelligence, NG-WAF, IoT Security, and SoC Lite into one cohesive solution. By adopting this innovative approach, Sangfor Network Secure enhances the capabilities of Next Generation Firewall solutions to meet the evolving security challenges faced by modern enterprises. The product has received numerous accolades as a "world’s first," highlighting its visionary design and technical prowess. Notably, it is the first AI-driven NGFW that employs intelligent detection techniques to effectively block more than 99% of external threats at the network perimeter. Moreover, it is the first of its kind to combine a Web Application Firewall (WAF) with NGFW functionalities, providing thorough protection for both network and web applications on a single platform. In addition, this NGFW is the pioneer in utilizing deception technology, which significantly boosts its ability to detect and mitigate malicious threats proactively. This remarkable array of features underscores Sangfor's dedication to enhancing cybersecurity measures and setting new standards in the industry. As cyber threats continue to evolve, Sangfor remains at the forefront of innovation in network security solutions.

Open-source software combined with a universal router plays a crucial role in making network access more equitable for all. VyOS aims to transform the way individuals connect to networks, empowering them to create the solutions they envision without facing constraints, limitations, or exorbitant costs. We assert that access to the internet is as vital for human progress as essential resources like food, water, air, and healthcare. Founded by engineers with a passion for innovation, VyOS stands as an open-source company dedicated to facilitating unrestricted network access without financial barriers. Our mission is realized through VyOS, leveraging our open-source software and virtual platforms to provide robust solutions. We offer features such as stateful firewalls, zone-based firewalls, and various types of NAT, including one-to-one, one-to-many, and many-to-many configurations. Moreover, our commitment extends to transparency, allowing users to engage in auditing, create customized images, and contribute to the development, with full access to the entire codebase and build toolchain available to all. This collaborative approach not only enhances security but also fosters a community of innovation and shared knowledge.

Cloud Firewall is among the first Software as a Service (SaaS) firewalls designed specifically for the public cloud landscape. It is particularly effective at bolstering the security of cloud-based business activities. The Alibaba Cloud Firewall facilitates centralized policy management that governs Internet traffic to your organization. It also manages interactions between Virtual Private Cloud (VPC) networks, Express Connect instances, and traffic from VPN-accessed remote connections. This firewall features an Intrusion Prevention System (IPS) that can detect any outbound connections that may emerge from your resources. Additionally, Alibaba Cloud Firewall offers visualization tools to analyze network traffic and access trends for businesses, while keeping network traffic logs available for up to six months. The setup process for activating the Cloud Firewall is straightforward, requiring no complex network configurations or image file installations. These firewalls are deployed in clusters to ensure high reliability and can easily scale to accommodate increasing demands. With its comprehensive capabilities, Cloud Firewall is a vital resource for organizations aiming to fortify their cloud security architecture and protect their valuable assets. Ultimately, adopting such a solution can lead to enhanced peace of mind regarding cloud security.

Falcon Firewall Management provides a clear and unified approach for the creation, administration, and enforcement of security policies. It effectively defends against network threats while delivering real-time insights that enhance protection and support informed decision-making. Using the same lightweight Falcon agent, management console, and cloud-native framework, it can be quickly deployed and operational in just a few minutes. This system simplifies processes by maintaining a uniform architecture, thereby avoiding the need for reboots, complex configurations, or adjustments during the setup process. By merging endpoint protection with host firewall management into a single interface, it optimizes workflows and improves visibility across various security measures. Furthermore, it automatically identifies and presents specific activities, potential threats, and unusual network behavior, ensuring that users can react rapidly to new risks. With Falcon Firewall Management, organizations enjoy a strong security framework while significantly reducing administrative burdens, allowing teams to focus more on strategic initiatives rather than routine tasks. Overall, this solution not only fortifies defenses but also enhances operational efficiency.

AP Lens serves as a Sandbox browser that enhances network security through DNS Whitelisting, effectively thwarting attacks before they infiltrate your systems. What advantages does AP Lens provide? Web Filtering: Offers a versatile and intuitive way to block unwanted content. Anti-Phishing: Eliminates the risk of similar-looking domains with complete accuracy. Ransomware Defense: Shields your network from cybercriminals while ensuring business applications remain unaffected. Secure Remote Work: Implements VPN technology to uphold internet usage policies. AP Lens Augmented Whitelist: A solution to eliminate 0-Day Attacks. Compliance: Adheres to the regulatory standards required by cybersecurity insurance policies. One-Click Installation: Eliminates the hassle of user setup or updates on their computers. No Maintenance: Prevents malware and phishing threats without the need for continuous oversight. With over two decades of collective expertise in cybersecurity, cloud security, and information protection, our team has successfully served various sectors, including both private and public domains, ensuring robust protection for all clients.

Recent developments in artificial intelligence have markedly diminished the frequency of zero-day attacks, improved security protocols for DevOps, and streamlined operations in data centers, all while facilitating enhanced scalability. The Quantum Firewall Software R82 stands out with its strong security capabilities and user-friendly interface for both Quantum on-premises and CloudGuard Network firewalls. By leveraging AI, it offers adaptive threat prevention features that effectively target both new and encrypted threats. With its dynamic tools designed for rapidly changing environments, R82 can automatically adjust to support business expansion and manage unexpected traffic spikes. It employs NIST-certified encryption to protect against the potential dangers introduced by quantum computing. Moreover, it uncovers hidden relationships and traffic patterns that aid in thwarting emerging malicious campaigns and preventing brand impersonation. R82 also improves website categorization, optimizing the efficacy of current security policies. This cutting-edge solution provides robust defenses against the most sophisticated phishing attacks, malware, and DNS threats, even within encrypted traffic, ensuring a well-rounded defense strategy. In essence, R82 equips organizations to confidently tackle the intricate challenges of contemporary cybersecurity landscapes while maintaining a proactive stance against evolving threats.

Bit Guardian Firewall is an all-encompassing security solution designed to provide users with a secure and smooth online surfing experience. It proactively protects against harmful content by detecting and blocking malicious URLs while also filtering out unwanted applications and websites. Thanks to its built-in ad-blocking functionality, users can enjoy browsing without interruptions from distracting or potentially dangerous ads. Additionally, it safeguards user privacy by reducing online tracking, allowing individuals to visit their favorite sites without fear of surveillance. To enhance its security measures, the firewall utilizes Avira's extensive malware databases, establishing a strong defense against both online and offline threats. This firewall software is specifically tailored for compatibility with Windows operating systems and is produced by Bit Guardian GmbH, a well-respected software development company based in Gräfelfing, Germany. Its consistent updates and customer support make it a compelling choice for anyone seeking to strengthen their digital security. Ultimately, Bit Guardian Firewall stands out as an essential tool for users who prioritize safety and privacy in their online activities.

Advanced threat protection is crucial for a wide range of organizations, from small enterprises to global corporations and cloud-based setups. Experience unparalleled network security customized to your specific requirements. SonicWall's next-generation firewalls (NGFW) provide the vital security, management, and insight necessary to maintain a strong cybersecurity posture, regardless of whether you are running a compact office or an extensive cloud network. Each firewall is built with SonicWall's award-winning technology and innovative hardware, ensuring you remain proactive against evolving threats. SonicWall firewalls are crafted to meet diverse network sizes and cater to your distinct security needs while being cost-effective, thus delivering strong protection for your digital resources. In addition, the SonicWall NSv Series virtual firewall fuses the protective capabilities of a conventional firewall with the benefits of virtualization, offering improved scalability, quick system deployment, easy management, and substantial cost efficiency, making it a perfect choice for contemporary businesses. By harnessing these sophisticated technologies, organizations can confidently tackle the challenges posed by today's complex cyber environment while optimizing their security strategies.

Azure Firewall is a comprehensive, cloud-managed network security solution that aims to protect the assets within your Azure Virtual Network. Functioning as a fully stateful firewall, it boasts built-in high availability and infinite scalability specifically designed for cloud infrastructures. By implementing Azure Firewall, you can effortlessly simplify both the deployment and management of your network security measures while guaranteeing strong protection for your critical resources. This service allows you to create, enforce, and track connectivity policies for applications and networks across multiple subscriptions and virtual networks. Moreover, with Azure Firewall, you can centralize security management across all virtual networks, employing a cohesive set of application and network rules to boost security oversight. This unified approach not only simplifies management tasks but also significantly strengthens your network's overall defense mechanisms, making it a vital tool for any organization operating in the cloud. In today’s digital landscape, the importance of robust network security cannot be overstated, and Azure Firewall plays a crucial role in achieving this.