Best On-Premises Firewall Software 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.

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.

The pfSense project provides a free network firewall distribution. It is based on FreeBSD's operating system with a custom kernel. Third-party free software packages are also included. The package system allows pfSense software to offer the same functionality as or more common commercial firewalls without any artificial limitations. It has replaced every major commercial firewall in many installations around the globe, including Check Point and Cisco PIX, Cisco ASA and Juniper.

Fortinet stands out as a prominent global entity in the realm of cybersecurity, recognized for its all-encompassing and cohesive strategy aimed at protecting digital infrastructures, devices, and applications. Established in the year 2000, the company offers an extensive array of products and services, which encompass firewalls, endpoint security, intrusion prevention systems, and secure access solutions. Central to its offerings is the Fortinet Security Fabric, a holistic platform that effectively melds various security tools to provide enhanced visibility, automation, and real-time intelligence regarding threats across the entire network. With a reputation for reliability among businesses, governmental bodies, and service providers across the globe, Fortinet places a strong emphasis on innovation, scalability, and performance, thereby ensuring a resilient defense against the ever-evolving landscape of cyber threats. Moreover, Fortinet’s commitment to facilitating digital transformation and maintaining business continuity further underscores its role as a pivotal player in the cybersecurity industry.

The premier hybrid and multi-cloud platform offers an advanced suite of security features including next-gen WAF, API Security, RASP, Enhanced Rate Limiting, Bot Defense, and DDoS protection, specifically engineered to address the limitations of outdated WAF systems. Traditional WAF solutions were not built to handle the complexities of modern web applications that operate in cloud, on-premise, or hybrid settings. Our cutting-edge web application firewall (NGWAF) and runtime application self-protection (RASP) solutions enhance security measures while ensuring reliability and maintaining high performance, all with the most competitive total cost of ownership (TCO) in the market. This innovative approach not only meets the demands of today's digital landscape but also prepares organizations for future challenges in web application security.

Traditional packet filters are gradually becoming outdated, as even open-source solutions are shifting towards Next-Generation Firewalls. OPNsense stands out as a leading option for features like intrusion detection, application control, web filtering, and antivirus protection. No network, regardless of its size, is immune to potential attacks; even devices in home networks, such as washing machines and smartwatches, are at risk and need robust security measures. Firewalls play a crucial role in a comprehensive security strategy, shielding systems from both established and emerging threats. The effectiveness of a firewall is maximized when its capabilities are well understood, it operates intuitively, and is strategically placed within the network infrastructure. OPNsense rises to the occasion by fulfilling these essential requirements in various ways. This book serves as an invaluable guide for anyone looking to comprehend, install, and configure an OPNsense firewall effectively. Ultimately, understanding the intricacies of OPNsense can empower users to create a more secure digital environment.

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.

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.

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.

The rise of businesses operating in diverse locations has led to a dramatic increase in mobile data consumption. This trend is accompanied by a wider variety of device models and operating systems, which heightens the potential for unsecured mobile wireless connections. Consequently, companies are facing soaring mobile data expenses. However, with CyberReef’s innovative MobileWall cloud firewall service, organizations can cut their total data usage by 50-70 percent thanks to its advanced bandwidth management features. By utilizing any SIM-enabled device, businesses can ensure that their cellular traffic is protected with end-to-end encryption while also being able to monitor and manage their data utilization and associated costs. MobileWall empowers your organization with unmatched security, transparency, and oversight of mobile data operations. Furthermore, it enhances the safety of mobile wireless connections and provides valuable insights into corporate mobile data consumption patterns. By automating the management of mobile data usage and expenses, MobileWall ensures that businesses can navigate the complexities of mobile connectivity with ease and efficiency. This robust solution allows companies to harness the advantages of mobile wireless connections without compromising security.

m0n0wall is an initiative focused on developing a comprehensive, embedded firewall software solution that, when paired with an embedded PC, delivers all essential features found in commercial firewall devices, including user-friendliness, at a significantly lower cost, being free software. This project utilizes a minimal version of FreeBSD, incorporating a web server, PHP, and several other utilities, with the entire system's configuration maintained in a single XML text file to ensure clarity and simplicity. Notably, m0n0wall is likely the first UNIX-based system to implement its boot-time configuration using PHP instead of the traditional shell scripts, and it uniquely stores all system configurations in XML format, showcasing an innovative approach in firewall technology. This distinct method enhances both usability and manageability, marking a significant advancement in the realm of open-source firewall solutions.

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.

AP Lens is a Sandbox browser that isolates networks by using DNS Whitelisting. We stop the attack before it reaches your network. What does AP Lens offer? Web Filtering: Flexible, user-friendly content blocking. Anti-Phishing - Stop looking-alike domains with 100% accuracy Ransomware Protection: Protect your network from hackers without affecting your business applications. Secure Remote Work: Use VPN to enforce internet usage policies. AP Lens Augmented whitelist: No more 0-Day Attacks - Compliance: AP Lens meets the regulatory requirements of cybersecurity insurance policies. - One-Click Installation - No need to set up or update the user's computer. - No Maintenance: Stop malware or phishing without constant monitoring Our team has over 20 years of combined experience in cyber security, cloud security and information protection in various industries, such as the private sector and public sector.

The AT&T premises-based firewall service acts as a comprehensive managed network security solution, serving as the initial protective barrier between a Local Area Network (LAN) and the wider Internet. This service encompasses all necessary hardware and software elements, along with configuration, installation, ongoing management, and maintenance, all supported by expert customer service and proactive network surveillance. Various premises-based firewall options are available to cater specifically to your business needs, featuring systems from renowned industry leaders such as Fortinet®, Check Point®, Palo Alto Networks®, Cisco®, and Juniper Networks®. Additionally, users have the flexibility to establish their own security policies, customizing the service to align with their specific requirements. The offering guarantees robust high-availability setups, supports multi-gigabit throughput, and provides detailed reporting capabilities, ensuring a tailored security experience for every organization. Furthermore, the service is designed to evolve alongside changing business landscapes, enhancing its adaptability and effectiveness over time.

Numerous owners of extensive networks are still inclined towards a 'private network' strategy for their security needs, aiming to maintain data privacy, ensure data sovereignty, and achieve low latency in alignment with their business objectives and regulatory demands. However, advancements in on-premise firewalls have largely stagnated, with innovations primarily focused on larger hardware appliances. Corsa Security introduces a pioneering turnkey solution for network security virtualization, designed to aid large enterprises and service providers in enhancing their threat protection capabilities while automating the process of firewall virtualization, significantly reducing total cost of ownership (TCO) by substituting physical firewalls with virtual alternatives. By seamlessly integrating firewall virtualization with smart orchestration features, the Corsa Security Orchestrator offers a consolidated overview of all virtual firewalls, efficiently overseeing their infrastructure's health, capacity, and performance metrics. This innovative approach not only modernizes network security but also optimizes operational efficiency for its users.

Identify, chart, and transition the connectivity of business applications to the cloud environment. Take a proactive approach to evaluate security risks from the standpoint of business operations. Streamline the process of updating network security policies with a fully automated, touchless system. Correlate cyber incidents with specific business processes to enhance understanding and response. Effortlessly uncover, chart, and securely establish network connections for business applications. Oversee both on-premises firewalls and cloud security configurations from a unified interface. Simplify the security policy modification workflow – encompassing planning, risk assessment, execution, and validation. Conduct proactive evaluations of all security policy adjustments to mitigate risks, prevent service interruptions, and maintain compliance. Automatically produce audit-ready reports to significantly cut down on preparation time and expenses by as much as 80%. Optimize firewall rules to diminish risk while ensuring business operations remain unaffected, ultimately fostering a more secure and efficient network environment. Additionally, continuous monitoring and adjustment of these protocols can lead to improved organizational resilience against evolving cyber threats.