Compare the Top Firewall Software for Mac as of April 2025

What is Firewall Software for Mac?

Firewall software is a security tool that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Acting as a barrier between a trusted internal network and untrusted external networks, firewalls help prevent unauthorized access and protect against cyber threats. They work by analyzing data packets and determining whether they should be allowed through based on set policies, blocking potentially harmful traffic. Modern firewalls often incorporate advanced features like intrusion prevention, application filtering, and deep packet inspection to strengthen security further. By providing this critical layer of protection, firewall software safeguards sensitive data and ensures the integrity of networked systems. Compare and read user reviews of the best Firewall software for Mac currently available using the table below. This list is updated regularly.

  • 1
    Heimdal Endpoint Detection and Response (EDR)
    Heimdal® Endpoint Detection and Response is our proprietary multi-solution service providing unique prevention, threat-hunting, and remediation capabilities. It combines some of the most advanced threat-hunting technologies: - Next-Gen Antivirus - Privileged Access Management - Application Control - Ransomware Encryption Protection - Patch & Asset Management - Email Security - Remote Desktop - Threat Prevention ( DNS based ) - Threat Hunting & Action Center With 9 modules working together seamlessly under one convenient roof, all within one agent and one platform, Heimdal Endpoint Detection and Response grants you access to all the essential cybersecurity layers your business needs to protect itself against both known and unknown online and insider threats. Our state-of-the-art product empowers you to quickly and effortlessly respond to sophisticated malware with stunning accuracy, protecting your digital assets and your reputation in the process as well.
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    Starting Price: $0/month
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  • 2
    ThreatLocker

    ThreatLocker

    ThreatLocker

    For IT Professionals to stop ransomware and other cyberattacks, you need to do more than just hunt for threats. ThreatLocker helps you reduce your surface areas of attack with Zero Trust policy-driven endpoint security solutions. Now you can change the paradigm from only blocking known threats, to blocking everything that you have not explicitly allowed. ThreatLocker Application Allowlisting is the gold standard when it comes to blocking ransomware, viruses, and other software-based threats. Discover today the ThreatLocker suite of Zero Trust endpoint security solutions: Allowlisting, Ringfencing, Elevation Control, Storage Control, Network Control, Unified Audit, ThreatLocker Ops, Community, Configuration Manager and Health Center. 
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  • 3
    NextDNS

    NextDNS

    NextDNS

    NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids, on all devices and on all networks. Determine your threat model and fine-tune your security strategy by enabling 10+ different types of protections. Use the most trusted threat intelligence feeds containing millions of malicious domains, all updated in real-time. Go beyond the domain, we analyze DNS questions and answers on-the-fly (in a matter of nanoseconds) in order to detect and block malicious behavior. With usually only a few hours between domain registration and the start of an attack, our threat intelligence system is built to catch malicious domains earlier than classic security solutions. Block ads and trackers on websites and in apps, including the most devious ones. Use the most popular ads & trackers blocklists, millions of domains all updated in real-time.
    Starting Price: $39 per month
  • 4
    FortiClient

    FortiClient

    Fortinet

    Multilayered endpoint security with behavior based analysis for prevention against known and unknown threats. Complete real-time visibility of all your global software inventory. Here, there, anywhere. Cloud-delivered FortiClient endpoint protection service designed for small and medium-sized business. Integrated endpoint protection platform that provides automated next-generation threat protection, visibility and control of your software and hardware inventory across the entire security fabric. Identify & remediate vulnerable or compromised hosts across your attack surface. As a key piece of the Fortinet Security Fabric, FortiClient integrates endpoints into the fabric for early detection and prevention of advanced threats. Security events including zero-day malware, botnet detections, and vulnerabilities are reported in real-time.
  • 5
    Avast Small Business Solutions
    Avast Small Business Solutions deliver next-gen endpoint protection for business Windows PCs, Mac, and Windows servers that you can manage anywhere via a web browser. Our robust, easy-to-use security for devices, data, and applications is designed to keep small organizations and their employees safer online. Avast antivirus with multiple layers of security, online privacy, and remote-control features provides powerful cybersecurity controlled via a cloud-based management console. Avast Small Business Solutions are managed via cloud-based management console Avast Business Hub and consist of: * Avast Essential Business Security   * Avast Premium Business Security - combines our next-gen antivirus with VPN and USB control) * Avast Ultimate Business Security - award-winning next-gen antivirus with online privacy tools and patch management automation software
    Starting Price: $39.99/device/year
  • 6
    pfSense

    pfSense

    Netgate

    The pfSense project is a free network firewall distribution, based on the FreeBSD operating system with a custom kernel and including third party free software packages for additional functionality. pfSense software, with the help of the package system, is able to provide the same functionality or more of common commercial firewalls, without any of the artificial limitations. It has successfully replaced every big name commercial firewall you can imagine in numerous installations around the world, including Check Point, Cisco PIX, Cisco ASA, Juniper, Sonicwall, Netgear, Watchguard, Astaro, and more.
  • 7
    Fortinet

    Fortinet

    Fortinet

    Fortinet is a global leader in cybersecurity solutions, known for its comprehensive and integrated approach to safeguarding digital networks, devices, and applications. Founded in 2000, Fortinet provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. At the core of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly integrates security tools to deliver visibility, automation, and real-time threat intelligence across the entire network. Trusted by businesses, governments, and service providers worldwide, Fortinet emphasizes innovation, scalability, and performance, ensuring robust defense against evolving cyber threats while supporting digital transformation and business continuity.
  • 8
    OPNsense

    OPNsense

    OPNsense

    Simple packet filters are becoming a thing of the past. Even the open-source domain is moving towards Next-Generation Firewalls. And OPNsense is a top player when it comes to intrusion detection, application control, web filtering, and anti-virus. No network is too insignificant to be spared by an attacker. Even home networks, washing machines, and smartwatches are threatened and require a secure environment. Firewalls are a component of the security concept. They protect against known and new threats to computers and networks. A firewall offers the highest level of protection if its functions are known, its operation is simple, and it is ideally positioned in the surrounding infrastructure. OPNsense accepts the challenge and meets these criteria in different ways. This book is the ideal companion for understanding, installing and setting up an OPNsense firewall.
    Starting Price: Free
  • 9
    ditno

    ditno

    ditno

    ditno. has taken the complexity out of IT security. We provide a single web portal to control access to all of an organization's servers whether they are in the cloud or internally hosted. We solve the problem of consistent and high-performance security across mixed environments. Using a PAYG model we remove the need for upfront investment and allow our customers to pay for exactly what they need at the time. We have a variety of customers across a number of verticals including law, energy, financial services, healthcare, technology and more across Australia and the UK.
    Starting Price: $25/endpoint/year
  • 10
    Guardian

    Guardian

    Guardian

    Guardian is the safest and most secure way to protect your privacy and data while using apps and browsing the web on your iOS device. Your IP address will be hidden from any websites visited as traffic is routed through our firewall servers, making it more difficult for advertisers to track you. Your password, financial information and other sensitive data will be protected anywhere you go using strong AES-256 encryption to thwart hackers. Guardian adds an extra layer of strong encryption to all outgoing network traffic and filters out known junk to improve your mobile experience. Grant permissions to specific apps on your device, knowing that any attempt to send data to unwanted trackers will be blocked. Blocks unwanted connections to location trackers, mail trackers, generic data trackers, and other online nuisances
    Starting Price: $0.99 per day
  • 11
    Comodo Endpoint Security Manager
    Comodo Advanced Endpoint Protection provides a state-of-the-art anti-malware suite that proactively protects your servers, workstations, laptops and netbooks while offering advanced, real-time management and control over critical system resources. Whether deployed as a complete security suite or by using the sandbox as a standalone to fortify existing AV solutions, Comodo ESM offers unrivaled endpoint protection for Microsoft Windows servers, desktops, laptops and tablets. The full Comodo Endpoint Security suite brings 5 layers of defense (Antivirus, Firewall, Host Intrusion Prevention, Auto-Sandbox & File Reputation) to the point of impact - the desktop environment. Its ground-breaking auto-sandbox technology eliminates malware outbreaks and operating system contamination by automatically running untrusted processes in an isolated environment. This makes Comodo's endpoint protection the only managed anti-malware solution that can offer a $5,000 limited warranty against infection.
    Starting Price: $4.00/one-time/user
  • 12
    WAPPLES SA

    WAPPLES SA

    Penta Security Systems, Inc.

    WAPPLES SA (software appliance) is a virtual web application firewall (WAF) that can be seamlessly integrated with cloud systems and other virtual environments. It is a great solution for enterprise customers such as data centers and hosting providers as well as SMBs such as managed security service providers and private cloud business infrastructures. WAPPLES SA has support for popular hypervisors including KVM, Citrix Hypervisor, and vSphere Hypervisor. WAPPLES SA (Software Appliance) generally provides all the capabilities of the hardware WAPPLES appliance with the added ability to scale as your business grows. Based on the same award-winning WAPPLES technology, WAPPLES SA can detect and block known, modified, and zero-day attacks with its Contents Classification and Evaluation Processing (COCEP™) engine.
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    Kerio Control

    Kerio Control

    GFI Software

    Detect threats, block viruses and secure VPN with the firewall built for SMB. Configure your firewall with easy-to-use traffic rules, controlling in- and outbound communications by URL, application, traffic type and more. Intrusion detection and prevention using the Snort system constantly monitors inbound and outbound network communications for suspicious activity. Log or block the communications depending on the severity. Prevent viruses, worms, Trojans and spyware from entering your network. Kerio Control goes beyond just checking files for malicious code; it scans your network traffic for potential attacks. Create secure, high-performance server-to-server connections between your offices running Kerio Control with an easy-to-setup VPN technology. Or, you can create a secure VPN connection to a remote office that doesn’t have Kerio Control deployed, using industry-standard VPN protocols.
    Starting Price: $270 per year
  • 14
    AP Lens

    AP Lens

    AP Lens

    AP Lens is a Sandbox Browser that isolates networks using DNS Whitelisting. We stop the attack before it reaches the network. What does AP Lens provide? - Web Filtering: Flexible and user-friendly content blocking. - Anti-Phishing: Stop look-alike domains with 100% accuracy. - Ransomware Protection: Isolate the network without affecting business applications. - Secure Remote Work: Enforce internet usage policies without VPN slowness. - No More 0-Day Attacks: Escape the limits of blacklisting with AP Lens Augmented Whitelist. - Compliant: AP Lens meets regulatory requirements requested by cybersecurity insurance policies. - One-Click Installation: No need for a lengthy setup process or updating from the user's side. - No Maintenance: Stop malware and phishing without continuous monitoring. Our team builds on over 20 years of experience in cyber security, cloud security, and information protection in industries such as private banking and the public sector.
    Starting Price: $5
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