10 Best Small Business Firewalls to Protect Your Network in 2025

Written by: Editor In Chief
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As your small business becomes more digital, choosing the right firewall is essential for protecting your network. With numerous options available, it can be challenging to identify which one best fits your needs. Each firewall offers unique features and benefits that can enhance security and performance. Understanding these differences is key to making an informed decision that safeguards your business. So, what should you look for in a firewall?

Firewalla Cyber Security Firewall for Home & Business

If you’re a small business owner looking for robust cybersecurity without the hassle, the Firewalla Cyber Security Firewall is an excellent choice. This versatile device protects your network from malware and hacking, functioning as either a router or a bridge. Its unique intrusion prevention system safeguards all your wired and wireless IoT devices, especially on public WiFi. Plus, advanced parental controls allow you to manage internet access and filter out harmful content. Setup is straightforward with the Firewalla App, providing guidance for ideal use. With Firewalla, you’ll enjoy peace of mind knowing your network is secure.

Best For: Small business owners seeking robust cybersecurity solutions without complicated setups.

Pros:

  • Protects against malware, hacking, and data theft, especially on public WiFi.
  • Advanced parental controls allow easy management of internet access and content filtering.
  • User-friendly setup process with the Firewalla App for guidance.

Cons:

  • IPS functionality is limited to 500 Mbits, which may not suit high-traffic environments.
  • Compatibility may vary with existing routers, requiring a check of the Compatibility Guide.
  • Some users may need router login credentials for initial configuration.

The TP-Link ER605 V2 Wired Gigabit VPN Router stands out as an ideal choice for small businesses seeking robust security and efficient network management. With five Gigabit ports, it supports up to three WAN connections, enhancing your bandwidth usage. Its advanced security features, including an SPI Firewall and DoS defense, safeguard your network integrity. You can securely connect remotely with multiple VPN options, allowing up to 20 LAN-to-LAN IPsec connections. Plus, with Omada SDN integration, managing your network and balancing loads becomes seamless, ensuring peak performance across all connections while complying with essential IEEE standards.

Best For: Small businesses looking for a secure and efficient network management solution.

Pros:

  • Robust security features including SPI Firewall and DoS defense to protect network integrity.
  • Supports multiple VPN protocols, allowing secure remote access for employees.
  • Omada SDN integration facilitates easy network management and load balancing.

Cons:

  • Limited to wired connections, which may not suit all businesses.
  • Some advanced features may require technical expertise to configure properly.
  • No built-in Wi-Fi capability; additional equipment is needed for wireless access.

For small businesses that require robust network performance and security, the TP-Link Omada Multi-Gigabit VPN Router (ER707-M2) stands out with its dual 2.5Gig WAN ports. This router supports over 1,000 clients and handles up to 500,000 concurrent sessions, ensuring your network runs smoothly. Its SPI firewall provides essential security, while cloud management through the Omada app allows you to manage your network remotely. Plus, with multiple VPN options, including IPsec and OpenVPN, you can secure connections easily. Backed by a five-year warranty and free technical support, this router is a solid investment for your business.

Best For: Small businesses that require high network capacity and robust security features.

Pros:

  • High network capacity supporting over 1,000 clients and up to 500,000 concurrent sessions.
  • Dual 2.5Gig WAN ports for enhanced performance and load balancing.
  • Remote cloud management via the Omada app for convenient network administration.

Cons:

  • Limited to specific VPN connection types which may not meet all needs.
  • May require technical knowledge to fully utilize advanced features.
  • USB 2.0 port may not support the latest storage devices for faster data transfer.

FortiGate-40F Firewall Appliance (FG-40F)

Small to mid-sized businesses and enterprise branch offices will find the FortiGate-40F Firewall Appliance (FG-40F) an excellent choice for robust cybersecurity. Its compact, fanless design guarantees quiet operation while saving space. With 5 GE RJ45 ports, it offers essential connectivity for various network setups. You’ll enjoy impressive performance, delivering up to 1 Gbps IPS throughput and 600 Mbps threat protection, thanks to Fortinet’s advanced security processor. The AI-driven FortiGuard Labs enhances threat detection, protecting against both known and unknown risks. Plus, its user-friendly console and Zero Touch Integration simplify management and deployment, making it an ideal solution for your network needs.

Best For: Small to mid-sized businesses and enterprise branch offices seeking robust cybersecurity solutions in a compact design.

Pros:

  • Compact and fanless design ensures quiet operation and minimal space usage.
  • Delivers high performance with up to 1 Gbps IPS throughput and 600 Mbps threat protection.
  • User-friendly management console and Zero Touch Integration simplify deployment and network management.

Cons:

  • Limited to 5 GE RJ45 ports, which may not suffice for larger networks.
  • May require additional configuration for optimal performance in more complex environments.
  • Lacks advanced features found in higher-end models, potentially limiting scalability.

SonicWall TZ270 Gen7 Firewall (02-SSC-2821)

Designed specifically for small businesses, the SonicWall TZ270 Gen7 Firewall (02-SSC-2821) delivers affordable enterprise-grade cybersecurity without compromising on performance. With a firewall throughput of 2 Gbps and threat prevention at 750 Mbps, it supports up to 750,000 concurrent connections and 64 VLANs. This entry-level firewall protects against ransomware, malware, and other threats using advanced technologies like Reassembly-Free Deep Packet Inspection. Its eight Gigabit Ethernet interfaces and USB ports guarantee versatile connectivity, while Zero-Touch deployment simplifies remote setup. Rated 4.5 out of 5 stars, it’s a reliable choice for safeguarding your network.

Best For: Small businesses, branch offices, and retail environments seeking affordable enterprise-grade cybersecurity solutions.

Pros:

  • Affordable pricing for an entry-level firewall with enterprise-grade features.
  • High throughput (2 Gbps) and robust threat prevention capabilities (750 Mbps).
  • Easy deployment with Zero-Touch setup and multiple connectivity options.

Cons:

  • Limited to 750,000 concurrent connections, which may not be sufficient for larger enterprises.
  • Lacks some advanced features found in higher-tier firewalls.
  • May require additional configuration for optimal performance in complex network environments.

The TP-Link ER7206 Multi-WAN Gigabit VPN Router stands out as an excellent choice for businesses that require robust network capacity and security. With support for up to 150,000 client devices and 700 simultaneous connections, it guarantees seamless connectivity. Its flexible port configuration allows you to optimize bandwidth through four WAN ports. Integrated into the Omada SDN platform, you can manage your network remotely via the cloud, guaranteeing control from anywhere. Plus, the advanced security features, including a SPI firewall and secure VPN connections, protect your data effectively. This router is a powerful tool for your network management needs.

Best For: Businesses that require high network capacity and robust security for managing multiple client devices and connections.

Pros:

  • High Capacity: Supports up to 150,000 associated client devices and 700 simultaneous connections.
  • Flexible Port Configuration: Optimizes bandwidth usage through four WAN ports for enhanced network performance.
  • Comprehensive Security: Offers advanced firewall policies and secure VPN connections to protect data effectively.

Cons:

  • Complex Setup: May require technical expertise to configure and manage effectively, especially for advanced features.
  • Cost: Higher initial investment compared to basic routers, which may not be suitable for small businesses or home users.
  • Dependence on Compatibility: Requires SDN-compatible devices/controllers for optimal performance within the Omada platform.

FortiGate-40F Firewall Appliance with 1 Year FortiCare and FortiGuard UTP

For small to mid-sized businesses seeking robust cybersecurity without the complexity of larger systems, the FortiGate-40F Firewall Appliance stands out as an ideal choice. This compact device offers powerful protection against advanced threats, including botnets, through features like DNS and URL filtering. With one year of FortiCare Premium, you’ll receive continuous technical support to manage and troubleshoot any issues. Plus, the inclusion of FortiGuard Unified Threat Protection guarantees effective defense against a wide range of cyber threats. Invest in this firewall to secure your network effortlessly and enhance your business’s overall cybersecurity posture.

Best For: Small to mid-sized businesses seeking reliable cybersecurity solutions without the complexity of larger systems.

Pros:

  • Powerful protection against advanced threats, including botnets.
  • Compact design ideal for limited space environments.
  • Continuous technical support through FortiCare Premium.

Cons:

  • May require additional configuration for optimal performance.
  • Limited scalability compared to larger firewall solutions.
  • Initial setup may be complex for users unfamiliar with network security.

Sonicwall TZ80 Secure Connect Network Security Appliance (03-SSC-2841)

If you’re managing a small office or remote team, the SonicWall TZ80 Secure Connect Network Security Appliance (03-SSC-2841) is an excellent choice for robust network protection. This compact next-generation firewall offers 750 Mbps throughput, supporting up to 300,000 concurrent connections. With 50 site-to-site VPN tunnels and secure SSL VPN access, remote work is seamless. It features four Gigabit Ethernet ports and a flexible design, ensuring connectivity without sacrificing performance. Plus, with advanced security like Capture ATP sandboxing and intrusion prevention, you get enterprise-grade protection at a low total cost of ownership. It’s perfect for smaller distributed teams looking to balance performance and affordability.

Best For: Smaller distributed teams and remote offices seeking cost-effective, enterprise-grade network security.

Pros:

  • Compact design ideal for SOHO and branch office deployments.
  • High throughput of 750 Mbps supports seamless remote work and multiple connections.
  • Advanced security features including Capture ATP sandboxing and intrusion prevention.

Cons:

  • Limited to 50 site-to-site VPN tunnels, which may not suffice for larger networks.
  • Subscription-based licensing may incur additional ongoing costs.
  • May lack some advanced features found in higher-end models for larger enterprises.

High Speed Cyber Security Firewall

Designed specifically for small to mid-size offices, the High Speed Cyber Security Firewall offers an impressive 4.0 Gbps throughput, making it an ideal choice for businesses that require robust internet performance. It supports up to 25 users and is perfect for internet speeds up to 500 Mbps. With 8 configurable Gigabit Ethernet ports, you can tailor your connectivity needs. The included 1-Year Gold Security Pack features anti-malware, ransomware blocking, and intrusion detection. Plus, Zyxel’s Nebula Cloud Management makes monitoring and configuration a breeze. Protect your network effectively while ensuring fast, secure connections for your team.

Best For: Small to mid-size offices looking for a high-performance firewall solution with comprehensive security features.

Pros:

  • High throughput of 4.0 Gbps, ensuring fast internet performance for up to 25 users.
  • Comprehensive 1-Year Gold Security Pack included, offering robust protection against various cyber threats.
  • Easy management and monitoring through Zyxel’s award-winning Nebula Cloud Management platform.

Cons:

  • Maximum throughput may not meet the needs of larger offices or those with more intensive internet requirements.
  • Some advanced features may require additional configuration or expertise to fully utilize.
  • Limited to supporting internet speeds up to 500 Mbps, which may not be sufficient for high-demand environments.

ASUS ExpertWiFi EBG15 Gigabit VPN Wired Router

The ASUS ExpertWiFi EBG15 Gigabit VPN Wired Router stands out as an excellent choice for small businesses seeking reliable and robust network security. With up to three WAN Ethernet ports and a USB WAN for backup, you can optimize your multi-line broadband usage effortlessly. The commercial-grade security features, including VPN capabilities and ASUS AiProtection Pro, guarantee your network remains safe from threats. Plus, each Ethernet port supports multiple VLAN IDs for enhanced security. Managing your network is a breeze through the web interface or ASUS ExpertWiFi mobile app, making setup and configuration quick and convenient.

Best For: Small businesses looking for reliable and secure network solutions with robust multi-line broadband support.

Pros:

  • Commercial-grade network security with advanced VPN capabilities.
  • Multiple WAN ports and USB WAN for optimized and stable internet connectivity.
  • User-friendly management through both web interface and mobile app for easy setup.

Cons:

  • Wired only, limiting flexibility in device placement compared to wireless options.
  • May require technical knowledge to fully utilize advanced features like VLAN support.
  • Subscription required for ASUS AiProtection Pro features beyond the initial trial period.

Factors to Consider When Choosing Small Business Firewalls

When you’re choosing a small business firewall, it’s vital to assess various factors that impact your network’s security and performance. You’ll want to take into account the security features, performance and throughput, and options for VPN and remote access. Additionally, reflect on port configuration options and the management and support services available to guarantee your firewall meets your specific needs.

Security Features Assessment

Selecting the right firewall for your small business can feel overwhelming, especially with the myriad of security features available. Start by looking for advanced threat protection, like intrusion prevention systems (IPS), which can tackle both known and unknown threats. Make sure the firewall supports multiple VPN connections to guarantee secure remote access for your employees while protecting sensitive data. Opt for options that include integrated security services, such as anti-malware and web filtering, for thorough online protection. Evaluate the firewall’s deep packet inspection (DPI) capabilities to analyze data packets for malicious content and prevent breaches. Finally, choose solutions with user-friendly management interfaces and cloud-based access to streamline monitoring and configuration of your security settings.

Performance and Throughput

Understanding performance and throughput is essential for ensuring your firewall can efficiently manage network traffic. Many small business firewalls offer throughput ranging from 300 Mbps to several Gbps, but this can vary based on features like intrusion prevention systems (IPS) and unified threat management (UTM). You should assess the number of concurrent connections a firewall can support, as higher-end models often exceed 300,000 connections, vital for managing multiple users and devices. Additionally, consider throughput specifications for threat protection and VPN capabilities, as these affect your firewall’s ability to safeguard against cyber threats. Opting for a firewall with load balancing can further enhance throughput, optimizing bandwidth across WAN connections for smoother performance during peak times.

VPN and Remote Access

After evaluating performance and throughput, it’s time to focus on VPN and remote access features that play a vital role in securing your business’s network. VPN capabilities are essential for providing secure remote access, protecting sensitive data from unauthorized access. When choosing a firewall, consider the number of supported VPN connections; higher limits let more employees connect securely from various locations. Look for IPsec, OpenVPN, and L2TP support to guarantee compatibility with different devices and operating systems. Also, check for VPN pass-through functionality to allow uninterrupted VPN traffic. Finally, evaluate the ease of setup and management; a user-friendly interface can make configuration much smoother for your IT team, guaranteeing your remote access solutions are efficient and effective.

Port Configuration Options

While evaluating firewalls for your small business, it is vital to take into account port configuration options, as they can greatly affect your network’s performance and flexibility. Look for firewalls with multiple WAN and LAN ports to optimize bandwidth usage. Multi-WAN configurations enable load balancing across internet connections, enhancing redundancy and ensuring uninterrupted service. The types of ports, like Gigabit Ethernet or SFP, determine your firewall’s throughput and versatility for your specific needs. Consider models with USB WAN ports for extra connectivity options, providing backup internet through mobile broadband. Additionally, VLAN support via configurable ports can boost security by segmenting traffic and isolating different network segments, making your network more robust and reliable.

Management and Support Services

When choosing a small business firewall, it’s vital to take into account management and support services that can simplify your network security experience. Look for firewalls that offer user-friendly management consoles or mobile apps, allowing you to control and monitor your network from anywhere. Extensive technical support is important, so opt for a solution that provides 24/7 assistance or specific business hours to tackle urgent issues. Features like Zero Touch Deployment can ease setup for remote locations, while cloud management options enable remote access without needing to be physically present. Finally, confirm your chosen firewall includes warranty and maintenance packages that cover updates and upgrades, providing ongoing support for your business’s security needs.