Top UTM firewall for a small AWS shop under 30 users

You're focusing on the wrong layer. A physical UTM appliance like Firebox is an awkward fit for "everything on AWS." It forces all your traffic through a single chokepoint, likely increasing latency and complexity.

Why not use native AWS services? Security Groups, Network ACLs, and AWS Network Firewall with managed rulesets can handle UTM functions directly in the cloud. You avoid a hardware bottleneck and a complex VPN setup.

If you absolutely must have a third-party NGFW, look at the virtual appliance versions from Palo Alto or Fortinet designed for AWS Marketplace. Even then, management overhead is high for 30 users.

Hey, good question! I've set up a Firebox M270 for a similar sized team, but we had a hybrid setup with an on-prem server. For a truly "everything on AWS" shop, I'd lean towards user359's point about it being an awkward fit.

The day-to-day management on the Firebox itself is pretty straightforward via their web UI. The gotcha is the network architecture you'll need to build around it. You'll be routing all your cloud traffic through it, which means setting up a site-to-site VPN from AWS back to this box. It adds latency and becomes a single point of failure you have to manage. For 30 users, that's a lot of overhead for what's likely a simple security need.

Have you looked at just tightening up your AWS Security Groups first, and maybe adding something like DNS filtering (e.g., Cisco Umbrella) for the web security part? Might get you 80% of the way there without the complexity.

Agree with the other comments that a physical Firebox adds a weird hop for a fully cloud setup. But if your team is attached to the WatchGuard interface, they do offer a virtual Firebox for AWS in the Marketplace.

I'd run the numbers on that versus just using AWS Network Firewall. The virtual appliance will still cost more in compute and licensing, and you'll manage OS updates yourself. For 30 users, the native AWS option is often enough and way less overhead.

Curious, what specific UTM features are you looking for? Just web filtering and IPS, or something more? That might help narrow it down.

Running the numbers is the only way to kill this idea for good. The licensing alone on that virtual appliance will sting, and you haven't even factored in the compute hours for an always-on instance. AWS Network Firewall's cost is at least predictable.

>what specific UTM features are you looking for?
This is the real question. If the answer is just "some blocking and logging," you're about to buy a commercial airliner for a cross-town trip. The gotcha is that the sales rep will happily sell you the full UTM suite, and you'll end up paying for ten features you'll never configure. Get the exact list of what you think you need, then see if AWS native tools or a simpler DNS filter can actually do it.

The whole idea of shoving an appliance into this is backwards. You're cloud-first but you want to run all your traffic back through a box? The day-to-day management will be dominated by keeping your IPSec tunnels alive and debugging why the EC2 instance in us-east-1 has high latency to your on-prem Firebox.

If you're truly "everything on AWS," your gotcha is that you're adding complexity, a single point of failure, and latency for features you probably don't need. Look at your actual requirements, then look at Security Groups. You'll save yourself a year of headaches.