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.

Keep an eye on the data usage of each application on your computer with GlassWire's detailed network monitoring graph, which allows you to review both sent and received data over time while identifying the connections your PC is making. It effectively identifies spyware, malware, poorly behaving applications, and bandwidth-intensive programs, enabling you to block their connections using its robust firewall. You can also oversee all devices connected to your network and receive notifications when unfamiliar devices attempt to access your WiFi. Additionally, GlassWire alerts you to any network-related modifications to your computer or unusual alterations in your applications that may suggest the presence of malware, ensuring your system remains secure. This comprehensive monitoring helps you maintain control over your network environment and safeguard against potential threats.

Cloudflare serves as the backbone of your infrastructure, applications, teams, and software ecosystem. It offers protection and guarantees the security and reliability of your external-facing assets, including websites, APIs, applications, and various web services. Additionally, Cloudflare secures your internal resources, encompassing applications within firewalls, teams, and devices, thereby ensuring comprehensive protection. This platform also facilitates the development of applications that can scale globally. The reliability, security, and performance of your websites, APIs, and other channels are crucial for engaging effectively with customers and suppliers in an increasingly digital world. As such, Cloudflare for Infrastructure presents an all-encompassing solution for anything connected to the Internet. Your internal teams can confidently depend on applications and devices behind the firewall to enhance their workflows. As remote work continues to surge, the pressure on many organizations' VPNs and hardware solutions is becoming more pronounced, necessitating robust and reliable solutions to manage these demands.

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.

A multilayered endpoint security system that employs behavior-based analysis provides powerful protection against both known and new threats. It ensures thorough real-time monitoring of your entire software ecosystem, no matter where it is located. Designed specifically for small to medium-sized businesses, the FortiClient endpoint protection service is offered through the cloud. This integrated endpoint protection platform features automated next-generation threat defense, allowing for visibility and control over your software and hardware assets within the larger security infrastructure. It facilitates the detection and correction of vulnerable or compromised systems across your attack surface, enhancing overall safety. As a vital part of the Fortinet Security Fabric, FortiClient links endpoints to improve the early detection and prevention of complex threats. Security incidents, such as zero-day malware attacks, botnet discoveries, and identified vulnerabilities, are relayed in real time. By adopting this all-encompassing strategy, the solution not only protects your assets but also simplifies the management of security protocols, ensuring a more secure operational environment. Furthermore, this proactive approach enables organizations to stay ahead of potential threats, fostering a culture of resilience against cyber risks.

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.

Our solutions provide your security systems with unmatched, all-encompassing visibility into your network infrastructure. This feature is vital for navigating the increasing speed and complexity of networks, while also furnishing you with the insights needed to promptly detect and mitigate breaches, facilitating rapid recovery. By integrating Network Critical solutions, you can improve the efficiency of your existing security system, thus maximizing your return on investment. It is important to note that SPAN ports have been traditionally viewed as insufficient for network security. Cybercriminals can easily infiltrate routers, switches, and entire networks without detection, highlighting a significant weakness in this strategy. Moreover, SPAN ports do not offer real-time data, which further compromises your network's defenses. On the other hand, Network TAPs function as a transparent gateway, enabling you to monitor data in real-time without any modifications. This critical distinction plays a key role in sustaining a strong security posture against emerging threats. As businesses increasingly depend on real-time analytics, the benefits of utilizing Network TAPs rather than SPAN are becoming ever more apparent, emphasizing the need for organizations to rethink their network security strategies.

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.

The Check Point CloudGuard platform provides extensive security tailored for cloud-native environments, ensuring that advanced threat prevention is applied to all assets and workloads across public, private, hybrid, or multi-cloud infrastructures, effectively harmonizing security protocols to facilitate automation throughout the organization. By utilizing its Prevention First Email Security, users are empowered to combat zero-day threats and maintain an edge over cybercriminals through exceptional global threat intelligence and a robust, multi-layered email security approach. This platform facilitates rapid and effortless deployment with an unobtrusive inline API-based prevention system, designed to align with the dynamics of business operations. Moreover, it serves as a comprehensive solution for both cloud email and office suites, offering extensive insights and clear reporting through a unified dashboard, complemented by a consolidated license fee that encompasses all mailboxes and enterprise applications. Ultimately, Check Point CloudGuard enables organizations to proficiently oversee their security posture while enjoying a cohesive method for protecting their cloud environments. As companies grow their digital presence, such innovative solutions are increasingly essential for ensuring security and enhancing operational efficiency, making them indispensable in today’s fast-paced technological landscape.

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.

The pfSense initiative offers a cost-free network firewall solution, built upon the FreeBSD operating system and featuring a tailored kernel. Additionally, it encompasses various third-party open-source software packages. Thanks to its package management system, pfSense can deliver functionalities that rival or exceed those of standard commercial firewalls, all without any imposed restrictions. As a result, it has supplanted numerous leading commercial firewalls in installations worldwide, such as those from Check Point, Cisco PIX, Cisco ASA, and Juniper, demonstrating its growing popularity and reliability in the cybersecurity landscape. This shift reflects the increasing trust users place in open-source solutions for their network security needs.

Managing your network while maintaining the security of each connected device can present significant challenges and financial burdens. NG Firewall simplifies the process of network security with a cohesive and flexible software solution designed to adjust to the evolving needs of your organization. Designed specifically for businesses with limited IT support and budgets, NG Firewall boasts an intuitive, web-based interface that enables quick access to network traffic insights. Its features encompass a wide range of functions, including content filtering, advanced threat protection, VPN capabilities, and bandwidth management tailored to specific applications, making it a powerful security platform applicable across various sectors. Moreover, the use of dedicated hardware appliances enhances thorough network oversight and visibility, providing various connectivity options alongside multiple levels of advanced security. This integrated approach not only helps organizations maintain robust protection but also ensures that they can do so efficiently without straining their finite resources. Ultimately, NG Firewall empowers businesses to navigate the complexities of network security with confidence and ease.

The Forcepoint Next Generation Firewall delivers a comprehensive multi-layered defense mechanism that protects networks, endpoints, and users from advanced cyber threats. It stands out in its ability to efficiently manage large quantities of firewalls and firewall fleets while maintaining optimal performance levels. With a strong emphasis on management simplicity, it offers detailed controls and significant scalability within its management features. Important evaluations include its ability to block threats, manage IP packet fragmentation and TCP segmentation, along with assessments of false positives, system stability, and overall dependability. The firewall's proficiency in countering evasion tactics, such as HTTP evasions and various combinations, has also been meticulously analyzed. Unlike conventional hardware-based systems, this NGFW is architected as software, which facilitates flexible deployment across hardware, virtual environments, or cloud infrastructures. Its open APIs allow users to customize automation and orchestration to meet specific requirements. Furthermore, our products consistently undergo rigorous certification testing to meet the strict standards of sensitive industries, government entities, and organizations globally, ensuring they remain leaders in security technology. This unwavering commitment underscores our pledge to deliver trustworthy protection amid an ever-changing threat environment, reinforcing our position as a key player in cybersecurity innovation.

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.

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.

WAPPLES SA is a software appliance that functions as a virtual web application firewall (WAF), designed for easy integration into cloud infrastructures and various virtual environments. This solution is particularly beneficial for businesses including hosting companies and data centers, along with small to medium-sized enterprises like managed security service providers or those operating private cloud setups. Additionally, WAPPLES SA is compatible with leading hypervisors, such as XenServer and KVM, making it a versatile choice for diverse deployment needs. Its adaptability and robust security features help organizations effectively safeguard their web applications against potential threats.

Bolster the security of your small to medium-sized business by implementing a firewall that is specifically engineered to detect threats, eradicate viruses, and create a secure VPN. Configuration is a breeze with intuitive traffic rules that allow you to control incoming and outgoing traffic according to various parameters like URL, application, and type of traffic. The Snort system provides real-time surveillance for any suspicious activities, enabling you to log or block traffic depending on its severity. It plays a crucial role in thwarting viruses, worms, Trojans, and spyware from breaching your network. In addition to file scans for malicious code, Kerio Control performs thorough analysis of network traffic to spot potential attacks, thereby reinforcing your overall security strategy. Establishing quick and secure server-to-server connections among your offices is easy with Kerio Control’s user-friendly VPN configuration, while remote offices without Kerio Control can still connect seamlessly by utilizing standard VPN protocols. This comprehensive strategy not only fortifies your network but also ensures optimal performance across all connections, allowing for smooth business operations without compromising security. Ultimately, investing in these advanced systems can lead to peace of mind as you focus on growing your business.

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.

Smoothwall Firewall provides extensive anti-malware safeguards, HTTPS inspection, the ability to detect and block anonymous proxies, as well as intrusion detection and prevention capabilities, making it a comprehensive security solution. When combined with Smoothwall Filter, this package becomes even more formidable in protecting users. These solutions can be acquired either separately or together, offering a seamless unified threat management system. The firewall features Layer 7 application control alongside traditional firewall functions and stateful packet inspection, which contributes to its advanced Next-Generation firewall attributes. Moreover, Smoothwall meets the criteria to be recognized as a firewall service provider under Category 2 E-Rate funding. Notably, Smoothwall Filter is distinguished as the sole fully content-aware web filtering option for educational institutions across the United States, enabling users to choose the deployment method that aligns with their specific requirements. In addition, the dedicated customer support team consists of education specialists based in the United States and is always available to provide assistance, ensuring that users receive prompt and effective support whenever needed. This commitment to customer service further enhances the overall value of the Smoothwall products.

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.

Address your security requirements with virtual firewalls that are not only easy to automate and scale but also straightforward to deploy in scenarios where conventional hardware firewalls may pose challenges. The VM-Series virtual firewalls provide the exceptional, machine learning-enhanced capabilities of Palo Alto Networks' next-generation hardware firewalls in a virtual environment, enabling you to safeguard the vital ecosystems that contribute to your competitive advantage and drive innovation. By leveraging this all-encompassing solution, you can improve cloud agility and responsiveness while seamlessly integrating threat prevention into your segments and microsegments, resulting in a robust security framework. This cohesive strategy empowers organizations to navigate the rapidly changing digital landscape with assurance and effectiveness. Additionally, the flexibility of these virtual firewalls allows businesses to adapt their security measures to meet specific needs as they evolve.

As companies increasingly migrate their operations to the cloud to leverage the benefits of virtualization, they must also confront the new security challenges that arise during this process. The vSRX Virtual Firewall provides comprehensive and adaptable security measures designed specifically for private, public, and hybrid cloud settings. This advanced firewall empowers organizations to fully adopt cloud solutions while ensuring they have effective defenses against various potential threats. By integrating such security measures, businesses can enhance their overall resilience in the ever-evolving digital landscape.

The Agilio OVS Firewall allows users to establish more advanced filtering policies, security groups, access control lists, and stateful firewall applications. This innovative solution acts as a seamless accelerator for Open vSwitch (OVS), guaranteeing compatibility with existing networking tools, controllers, and orchestration platforms. The Agilio SmartNICs, in conjunction with Agilio software, keep pace with the developing features of standard OVS, which now includes an array of server-based networking functionalities like flexible match-action forwarding, connection tracking (Conntrack), and network overlay management facilitated by tunneling protocols such as VXLAN and NVGRE. In addition, it offers comprehensive statistics and measurement tools, supporting capabilities like Layer 2/Layer 3 forwarding, network virtualization, reinforced security protocols, load balancing, and sophisticated analytics. By integrating Agilio Firewall Software with Agilio SmartNICs, this solution amplifies the Agilio OVS Software suite, enabling zero-trust stateful security while also greatly enhancing server-based networking performance. Moreover, this synergy fosters quicker reactions to emerging security threats, ensuring that organizations can uphold strong defenses in a constantly shifting digital environment. As a result, businesses can navigate the complexities of modern network security with greater confidence and efficiency.