Best On-Premises Firewall Software of 2025

Achieve extensive security for both on-premises and multi-cloud environments with the integrated firewall designed for cloud operations. The seamless, cloud-based Advanced Threat Protection system identifies and prevents sophisticated threats, such as zero-day vulnerabilities and ransomware assaults. With the support of a worldwide threat intelligence network that gathers data from millions of sources, you can quickly shield yourself from the latest dangers. Today's cyber threats, including ransomware, advanced persistent threats, and targeted attacks, necessitate increasingly advanced defense strategies that effectively balance precise threat detection with swift reaction capabilities. The Barracuda CloudGen Firewall provides an all-encompassing suite of next-generation firewall features to guarantee immediate network defense against a vast array of risks, weaknesses, and exploits, encompassing SQL injections, cross-site scripting, denial of service intrusions, trojans, malware, worms, spyware, and much more. By leveraging these advanced technologies, organizations can significantly enhance their resilience against evolving cyber threats and ensure the integrity of their data.

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.

enforza is a cloud-managed firewall platform designed to unify multi-cloud perimeter security. It offers robust firewall, egress filtering, and NAT Gateway capabilities, enabling consistent security policies across various cloud environments and regions. By transforming your Linux instances—whether on-premises or in the cloud—into managed security appliances, enforza provides a cost-effective alternative to AWS Network Firewall, Azure Firewall, and native NAT Gateways, all without data processing charges. Key Features: Simplified Deployment: Install the enforza agent on your Linux instance with a single command. Seamless Integration: Register your device through the enforza portal for centralized management. Intuitive Management: Easily create and enforce security policies across multiple environments via a user-friendly interface. With enforza, you can achieve enterprise-grade security without the complexity and costs associated with traditional cloud-native solutions.

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.

AP Lens is a Sandbox Browser designed to enhance network security through DNS Whitelisting, effectively preventing attacks from penetrating the network. What features does AP Lens offer? - Web Filtering: Offers adaptable and user-friendly options for content blocking. - Anti-Phishing: Eliminates look-alike domains with complete precision. - Ransomware Protection: Safeguards the network while allowing business applications to function smoothly. - Secure Remote Work: Implements internet usage policies efficiently without the delays associated with VPNs. - No More 0-Day Attacks: Overcomes the limitations of traditional blacklisting through the AP Lens Augmented Whitelist. - Compliant: Aligns with regulatory standards set forth by cybersecurity insurance policies. - One-Click Installation: Allows for quick setup without requiring extensive user intervention or updates. - No Maintenance: Prevents malware and phishing threats without the need for ongoing oversight. With a foundation built on over 20 years of expertise in cybersecurity, cloud security, and information protection across various sectors, including private banking and public services, our team is equipped to address the evolving challenges in digital 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.

The AT&T premises-based firewall service offers a comprehensive, managed network security solution that acts as the initial protective barrier between a Local Area Network (LAN) and the Internet. This service encompasses all necessary hardware and software components, along with configuration, installation, and ongoing management and maintenance, complemented by expert customer support and proactive network surveillance. Businesses can select from various premises-based firewall solutions tailored to their specific requirements, featuring systems from well-known industry leaders such as Fortinet®, Check Point®, Palo Alto Networks®, Cisco®, and Juniper Networks®. Additionally, users can establish their own security policies and customize the service to align with their operational needs. The offering also boasts high-availability configurations, substantial multi-gigabit throughput capabilities, and sophisticated reporting features for enhanced security management. Such flexibility and robustness ensure that businesses can confidently protect their networks against emerging threats.

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.

Uncover, chart, and transition business application connections to the cloud environment. Take initiative in evaluating security threats from a business standpoint while streamlining network security policy alterations with zero manual intervention. Correlate cyber threats to business functions, ensuring a comprehensive view of security impacts. Enable the automatic discovery, mapping, and secure provisioning of network connections for business applications. Oversee both on-premise firewalls and cloud security groups through a unified interface. Streamline the process of security policy changes, encompassing everything from planning and risk assessment to execution and validation. Regularly evaluate each security policy modification to reduce risks, prevent service interruptions, and maintain compliance standards. Generate reports ready for audits automatically, significantly diminishing preparation time and expenses by as much as 80%. Additionally, refine firewall rules to enhance security while keeping business needs intact, thereby creating a more resilient operational framework. Through these measures, organizations can achieve a more integrated and secure cloud transformation strategy.