Your cybersecurity is always important, but it’s especially crucial for small businesses that might interact with sensitive personal information like financial records. It’s important to keep this type of information safe, especially since small businesses are a favorite target of cybercriminals. A secure firewall is the first step.
Different firewall applications have different functions, and if you’re interested in learning more about what’s best for your small business or startup, we have got you covered.
Interested in the best marketing apps for small businesses? We have a guide for that too.
The best firewalls for small businesses at a glance:
- The best overall firewall: Fortinet
- The best simple firewall: Ubiquiti EdgeRouter
- The best enterprise firewall: Cisco NGFW
- The best free software firewall: OPNSense
- Best firewall for data-dependent businesses: SonicWall
- Best firewall for home businesses: Firewalla
Fortinet’s hardware-driven firewalls are some of the most respected in the industry and some of the most secure. Not only does it have a powerful software backbone that offers a variety of important protections for both midsize and small businesses, but it is one of the few companies that has designed its own application-specific integrated circuits (ASIC) processors. These security chips are purpose-built to offer high-speed network management, with the ability to scale up as your business grows, without compromising security.
For small businesses, Fortinet offers a variety of great routers, each with support for its Next Generation Firewall protection. They offer varied bandwidths for different functions which you’ll need to decide upon based on your businesses’ unique requirements, but all of them can enjoy Fortinet’s strong firewall and a number of other protective features.
Management is through a singular console that keeps all wired and wireless connections grouped together for simple and comprehensive oversight at all times. It’s all managed in the cloud too, so remote operation is entirely possible no matter your business needs.
Arguably the best way to take advantage of what Fortinet offers, though, is through its Security Fabric package, designed specifically for small businesses. It offers a comprehensive solution that includes endpoint device protection, a strong firewall, and improved security for individual devices and applications.
You can request a demonstration or a quote direct from Fortinet.
The Ubituiqi Edge routers aren’t a firewall in and of themselves, but they are an affordable network router that has a built-in firewall that by default blocks all incoming web traffic. That’s a great way to keep your business protected from any outside sources, whilst still allowing you to send information into the wider internet if you need to.
But you don’t have to settle for that if you need some form of two-way communication with the world. Ubiquiti’s routers have a simple system for adding specific, bespoke rules for the Firewall, letting you completely customize what goes where and what can communicate with what on your network. Want to block all connections between the internet and your local network? Easy. Want to allow traffic for already existing connections, but block everything else? Done.
Ubiquiti even has a handy guide to help you get started with the manual process, or kick start the automatic configuration which lets you make some more modest customizations.
None of the Edge hardware that gives you access to the firewall is overly expensive and the whole thing can be configured without an in-depth knowledge of networking, making it great for smaller businesses that want to focus on running the business, rather than an expansive network.
The Firewall doesn’t have built-in anti-malware solutions, nor a VPN, but those take configuring and management and can be supplemented with other software. If you want a firewall that does what you need it to and doesn’t take much management, the one found in Ubiquiti’s routers is a great place to start.
Cisco has been a household name in networking for decades and with good reason. Its products might typically be targeted at larger organizations, but if you want a solution that has that enterprise feel, scales well, and offers comprehensive and premium features, there are few better than Cisco’s Meraki MX small branch firewalls.
There’s a wide range of models to pick from. The most entry-level options can handle 50 clients at a time with 50 simultaneous VPN connections, while the largest are capable of managing up to 10,000 simultaneous connections, 1,500 of them over a VPN tunnel. That’s overkill for almost anyone, but the point is that if you like what Cisco’s Meraki range offers, there’s likely to be a piece of hardware that is perfect for your small business.
Small branch solutions like the MX64 offer cloud-based management with full stateful firewall protection. Additional security features include content filtering and advanced malware protection, and there’s an automated VPN configuration if you want to protect all of your outbound web connections.
Larger, more capable routers come with support for a greater number of connections but also add support for extra SSIDs. All solutions also support USB modem connections for 3G/4G connectivity in case your standard internet connection fails, too.
You might need to supply your own hardware with OPNSense, but it’s a completely free, open-source, easy-to-use firewall solution that provides most of the same features you see on high-end, commercial firewalls from major developers. It enjoys weekly security updates, semi-annual releases of major platform updates, and there are extensive communities and documentation that can be mined to learn how to get to grips with it.
Although this isn’t necessarily the best starting point for beginners, OPNSense is still simple to manage through its web interface and is a fast and capable firewall that is as suited to small network as it is to ones at very large organizations.
To get started with OPNSense, check out the beginner’s guide. It will walk you through the kind of hardware you’ll need to run it, the basic setup guidelines and where to go from there.
If you’re a growing business that depends greatly on offering online services or managing data, you may not quite be ready for a Cisco-level solution quite yet–but you’re probably looking for something similar that’s versatile, agile, and well-suited for small companies. That’s where SonicWall comes in. The entry-level SonicWall firewall options are a great option for small businesses with larger data demands – they’re optimized for great performance, use machine learning to get better at security, and offer swift “zero-touch deployment” options for getting set up fast. the single-pass deep packet inspection process is also quite impressive, and integrated Wi-Fi is an option if you choose to buy. In the entry-level category alone, there are five different devices for businesses to explore based on what they need. Take a look at SonicWall’s technology and see if you want to get more pricing info.
It can be an odd space for early startups and at-home businesses that need more-than-average security but don’t really have many firewall options aimed at them. Firewalla is one of the few that targets these types of businesses directly. They offer a red model for families and users who don’t need a lot of speed, and a blue model designed for business users with much higher data passthrough speeds (either can work in the right situations). There’s also a more advanced version coming out in 2020 for larger companies, so you can stick with the brand even after some growth. Firewalla includes robust threat alerts, built-in VPN options, ad blocking, and a bunch of other important security features all bundled together.
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