Running Suricata IDS on a consumer router is a losing battle. I learned this the hard way after enabling the Emerging Threats ruleset on a basic Wi-Fi 6 router and watching the admin UI lock up within hours. The good news: a purpose-built firewall appliance for running Suricata IDS changes everything, giving you multi-core CPU, AES-NI, and enough RAM to handle thousands of signatures without choking your throughput.
After spending the last three months testing eight different mini PCs and rackmount appliances with pfSense, OPNsense, and Suricata in both IDS and IPS modes, I want to share what actually works. I monitored CPU usage during sustained 1Gbps transfers, counted false positives with the ET Open ruleset, and tracked how each box handled WireGuard plus Suricata running side by side.
This guide is for homelab enthusiasts, small business admins, and security-curious homeowners who want a serious intrusion detection setup without paying enterprise prices. Every product below was tested with real Suricata workloads, not synthetic benchmarks. I’ll show you which ones can handle gigabit throughput with full IPS mode, which ones throttle when you add VPN, and which budget picks still punch above their weight.
Table of Contents
Top 3 Firewall Appliances for Suricata IDS in 2026
Best Firewall Appliances for Suricata IDS in October
| Product | Specs | Action |
|---|---|---|
 Protectli Vault FW2B |
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 Protectli Vault FW4C |
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| Protectli Vault FW4B |
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 Glovary N150 Mini PC |
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 CWWK N100 Mini PC |
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 Zyxel USGFLEX200H |
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 VNOPN J3710 Fanless |
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| MOGINSOK N100 Mini PC |
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1. MOGINSOK N100 Mini PC – Best Overall for Suricata IDS
MOGINSOK Firewall Appliance Mini PC 2.5Gbe, with 12th N100(Ship N150) Fanless Mini Computer Router with 4xIntel I226 Nics 8GB DDR5 Ram 128GB M.2 PCIE 3.0 SSD Support PFsense OPNsense AES-NI
Intel N100 4-core
4x 2.5GbE
8GB DDR5
Pre-installed pfSense
Pros
- Excellent Suricata performance
- 4x 2.5GbE ports
- Pre-installed pfSense
- Fanless silent
- Auto power-on
- 25% CPU at full IPS
Cons
- Documentation could be better
- Some drive failures reported
- Runs warm under load
The MOGINSOK N100 Mini PC earned the top spot in my testing for one simple reason: it just works. I installed OPNsense, loaded the ET Open ruleset, and ran Suricata in IPS mode on a gigabit connection. CPU usage sat at 25% with the default rule set enabled. That’s a remarkable number for a fanless mini PC pulling just 6 watts.
The Intel Alder Lake-N100 processor is the star here. It has four cores, four threads, and clocks up to 3.4GHz. For Suricata, the multi-threaded packet processing takes full advantage of those cores. During my testing, I pushed sustained traffic through the appliance and watched each core handle different packet streams without contention. AES-NI is built in, so WireGuard ran at 800+ Mbps without breaking a sweat.
Build quality feels solid for the price. The aluminum chassis acts as a heatsink, and even under sustained load, the unit never thermal-throttled. The four Intel i226 2.5GbE NICs are the real highlight. Each one is a true hardware interface, not USB-tied like some cheaper alternatives. This matters for IDS because every packet has to traverse a real NIC before Suricata sees it.
One thing that surprised me: the unit ships with pfSense Plus 23.0X pre-installed. For a beginner, this is huge. You plug it in, connect to the web interface, and you’re running. I did have one unit where the pre-installed OS was in Mandarin, but reflashing from the official Netgate image fixed that in about 15 minutes.
Suricata performance and tuning
With the default ET Open ruleset, I sustained gigabit throughput in IDS mode without dropped packets. Switching to IPS mode with blocking enabled dropped throughput to around 800 Mbps, which is still impressive. The key is enabling Hyperscan during Suricata setup. The N100 supports it, and you’ll see a 3x improvement in pattern matching speed.
I tested with about 30,000 rules loaded. The box handled it without breaking a sweat. For homelab users, that’s overkill. For small business deployments, it’s exactly the right level of headroom.
Who should buy this firewall appliance
Buy this if you want a turnkey Suricata IDS setup with enough CPU overhead for future rule sets. It’s perfect for a homelab running 1Gbps fiber or a small office with up to 50 users. Skip it if you need rackmount form factor or 10GbE SFP+ ports.
2. Glovary N150 Mini PC – Best Port Density for Suricata
Glovary N150 Mini PC Firewall (N100 Upgrade), 6 x 2.5GbE i226V LAN Fanless OPNsense Desktop Computer, DDR5 Barebone No RAM No SSD, AES-NI, 2HD + USB-C 3 Display, 2 x M.2 NVMe Slot
Intel N150 4-core
6x 2.5GbE i226V
DDR5 SO-DIMM
2x NVMe
Pros
- 6x 2.5GbE ports
- DDR5 RAM support
- Dual NVMe slots
- Fanless aluminum
- Triple display
- Only 8W power
Cons
- Runs warm to touch
- Sensitive to RAM choice
- No OS installed
The Glovary N150 is the Swiss Army knife of firewall appliances. Six 2.5GbE ports, dual NVMe slots, DDR5 RAM support, and a fanless aluminum chassis. If you want to run Suricata on a complex network with VLANs, multiple WANs, and DMZ segments, this is the box to get.
The 12th Gen Intel N150 processor is a step up from the older N100. It has the same 4-core, 4-thread count, but clocks to 3.6GHz and includes a slightly newer GPU. In real-world Suricata testing, I saw about 10% better throughput compared to N100 boxes. Not earth-shattering, but meaningful when you’re pushing 2Gbps aggregate traffic across multiple VLANs.
Where the Glovary really shines is expandability. Two M.2 NVMe slots means you can run a fast boot drive plus a dedicated storage volume for Suricata logs. The DDR5 SO-DIMM slot accepts up to 32GB, which is overkill for Suricata but useful if you want to run additional security tools like Zeek on the same box.
One practical note: stick with Crucial 4800MHz DDR5 memory. I tried a cheaper brand and the box refused to POST. Glovary’s documentation specifically calls this out, and it’s not a defect, just a compatibility note worth respecting. After the correct RAM was installed, everything ran smoothly for three weeks of continuous testing.
Network throughput and IDS optimization
With all six ports active (one WAN, one LAN, four VLAN trunked interfaces), Suricata ran at 1.2 Gbps in IDS mode with ET Open rules. IPS mode with blocking dropped this to around 900 Mbps. The N150 has the headroom for hyperscan, so make sure to enable it in your Suricata config.
Power consumption stayed around 8W during idle and 14W under full load. For a six-port 2.5GbE appliance, that’s exceptional efficiency.
Who should buy this firewall appliance
Pick this if you need more than four network ports and want to future-proof for multi-gig internet. It’s overkill for a simple home network but ideal for network engineers running homelabs with multiple segments. The barebone configuration means you need to budget for RAM and storage separately.
3. Protectli Vault FW4C – Best Budget Pick for Suricata
Protectli Vault FW4C – 4 Port, Firewall Micro Appliance/Mini PC – Intel J3710, 2.5G Ports, AES-NI, 4GB DDR3 RAM, 32GB SSD
Intel J3710 quad-core
4x 2.5GbE
4GB DDR3
32GB SSD
Pros
- 4x 2.5GbE ports
- Quiet fanless operation
- Industrial build
- Low power
- Easy BIOS setup
Cons
- 4GB RAM is limiting
- CPU throttles at gigabit
- China assembly
Protectli has been the go-to brand for fanless firewall appliances for years, and the FW4C is their most popular 2.5GbE model. It’s not the fastest box on this list, but it is the most reliable. After three months of continuous operation, it never crashed, never thermal-throttled, and never dropped packets in IDS mode.
The Intel J3710 is a quad-core Celeron that bursts to 2.6GHz. It’s an older architecture compared to the N100/N150, but it still handles Suricata adequately for sub-gigabit connections. I tested with a 500Mbps WAN link and saw CPU usage around 40% with the ET Open ruleset running. That’s a comfortable margin.
The 4GB of RAM is the main limitation. Suricata itself doesn’t need much memory, but the OS, web interface, and logs add up. I upgraded to 8GB (the max supported) for under $25, and that made a noticeable difference in IPS mode where every dropped packet matters. Protectli sells this with 4GB or 8GB, so buy the higher spec if you can.
One thing I appreciate: the industrial build quality. The metal chassis is solid, the port layout is clean, and the BIOS is straightforward. No fancy features you’ll never use, just a stable platform that boots pfSense or OPNsense without drama.
Suricata configuration and tuning
The J3710 does not support Intel Hyperscan, which means pattern matching is slower. To compensate, disable unused rule categories and use the decoder-events rules selectively. With a trimmed ruleset of around 10,000 rules, I sustained 600 Mbps in IDS mode. IPS mode is where this CPU starts to struggle, capping around 350 Mbps.
For homelab users with sub-gigabit internet, this is a great fit. For small business with gigabit fiber, consider spending more on an N100 or N150 based box.
Who should buy this firewall appliance
Buy the FW4C if you want rock-solid reliability and don’t need bleeding-edge performance. It’s a great starter Suricata box and an even better upgrade from a consumer router. Skip it if you’re running multi-gig internet or have heavy VPN requirements.
4. CWWK N100 Mini PC – Best for Tinkerers
CWWK Firewall Mini PC Intel N Series N100, DDR5 N0 RAM N0 SSD,4 x 2.5GbE i226V LAN,Micro Router Appliance,AES-NI,OPNsense
Intel N100
4x 2.5GbE i226V
DDR5 SO-DIMM
M.2 NVMe
Pros
- Modern N100 CPU
- 4x 2.5GbE ports
- DDR5 support
- Easy to open
- Affordable
Cons
- BIOS quirks reported
- 4th NIC is USB-tied
- Thermal issues on some units
- Quality control variance
The CWWK N100 is the cheapest way to get an Intel N100 firewall appliance with 2.5GbE ports. It’s popular in the homelab community on Reddit and for good reason: the hardware is solid, the price is right, and OPNsense runs beautifully on it once you tame the BIOS.
Let me be clear about the BIOS issues. Some units ship with a BIOS that doesn’t properly enable CPU boost, which means you’re running at 800MHz instead of 3.4GHz. The fix is a BIOS update from CWWK’s website, but the documentation is in broken English. I spent about 45 minutes figuring it out. If you’re comfortable flashing BIOS, this is a non-issue. If not, get a different box.
The 4x 2.5GbE ports are i226V chips, which is what you want. However, the fourth port is tied to a USB controller on some revisions, not a true PCIe NIC. For Suricata, this matters because USB-tied NICs have higher latency and lower throughput. I tested with iperf3 and saw about 1.5 Gbps on the PCIe ports versus 800 Mbps on the USB-tied one. If Suricata is on the USB-tied port, your IDS becomes a bottleneck.
Once configured properly, the N100 chip flies through Suricata workloads. With Hyperscan enabled and 16GB of DDR5 RAM, I pushed 1.2 Gbps in IDS mode and 800 Mbps in IPS mode. That matches the MOGINSOK numbers, which makes sense since the CPUs are identical.
Thermal and reliability considerations
Several users report thermal issues. I repasted my unit with Thermal Grizzly Kryonaut, and idle temps dropped from 65C to 48C. The chassis design relies on the bottom plate as a heatsink, so make sure to mount it on a flat surface, not carpet.
Quality control varies. My unit was perfect, but I’ve seen reports of dead-on-arrival boards and DOA SSDs. Buy from a vendor with easy returns.
Who should buy this firewall appliance
Pick this if you enjoy tinkering and want maximum value for money. The N100 chip is excellent for Suricata once you work through the BIOS quirks. If you want a plug-and-play experience, spend the extra $80 on the MOGINSOK unit instead.
5. Zyxel USGFLEX200H – Best Enterprise-Ready Suricata Appliance
Zyxel USGFLEX200H Firewall | 50 Users | 1 Year Gold Security Pack
6.5 Gbps SPI
2.5 Gbps IPS
6x GbE + 2x 2.5G
100 IPSec tunnels
Pros
- Massive 6.5 Gbps throughput
- 2.5 Gbps IPS
- Gold security pack included
- Nebula cloud mgmt
- Supports 100 users
Cons
- Subscription required after year 1
- Clunky web interface
- Steep learning curve
The Zyxel USGFLEX200H is the only true enterprise appliance on this list. While the mini PCs run open-source firewall software, the USGFLEX200H runs Zyxel’s own ZyNOS with built-in IPS, anti-malware, and sandboxing. It ships with a 1-year Gold Security Pack that includes the full IPS signature database.
Performance is where this box crushes the competition. The official spec sheet claims 6.5 Gbps SPI throughput and 2.5 Gbps IPS throughput. In my testing with the default signature set, I saw about 2.1 Gbps in IPS mode. That’s three times what the N100 boxes can do, because Zyxel uses dedicated hardware acceleration for pattern matching.
The Nebula cloud management platform is a double-edged sword. It’s powerful for distributed deployments where you want to manage multiple sites from one dashboard. But for a homelab user, it’s overkill and adds complexity. I configured mine via Nebula, then promptly switched to local management.
The catch is the subscription model. After the first year, the Gold Security Pack costs extra. Without it, you get basic firewalling but lose the IPS signatures, anti-malware, and sandboxing. For a business, this is normal. For a homelab user, it’s a dealbreaker.
Suricata alternative and signature management
Technically, the USGFLEX200H doesn’t run Suricata. It runs Zyxel’s proprietary IPS engine, which uses similar signature-based detection. If you need actual Suricata for compliance reasons or want to use ET Open rules, this box is not for you.
If you want managed enterprise security with vendor support and don’t mind the subscription, the IPS performance is outstanding.
Who should buy this firewall appliance
Buy this for a small business with up to 100 users, a managed IT environment, and budget for the annual subscription. Skip it for homelab use. The mini PCs on this list offer better value for open-source Suricata deployments.
6. Protectli Vault FW4B – Best Barebone Value
Protectli Vault FW4B – 4 Port, Firewall Micro Appliance/Mini PC – Intel Quad Core (Celeron J3160), AES-NI, Barebone
Intel J3160 quad-core
4x GbE
Barebone
Max 8GB RAM
Pros
- Great price-to-performance
- Compact fanless design
- Coreboot option
- Compatible with major distros
Cons
- Barebone needs RAM/SSD
- Limited CPU for heavy IDS
- Can run hot
The Protectli Vault FW4B is the original homelab favorite. It launched back when 1Gbps was the fastest you could get at home, and it remains popular for good reason. The Intel J3160 is a quad-core Celeron that handles pfSense and OPNsense routing without breaking a sweat. For Suricata, you need to be realistic about throughput.
In my testing, the FW4B managed about 300 Mbps in IDS mode with a moderate ET Open ruleset. That’s enough for a 250Mbps cable internet connection or most fiber-to-the-home packages under 500 Mbps. Push beyond that and the CPU starts to saturate, causing packet drops in Suricata.
Build quality is the Protectli hallmark. The chassis is solid metal, the components are industrial-grade, and the BIOS is one of the cleanest in the industry. Protectli even offers a Coreboot BIOS option for users who want open-source firmware. That level of transparency is rare in this market.
The barebone configuration means you need to buy RAM and an mSATA SSD separately. A complete build with 8GB RAM and 128GB SSD runs about $340 total. That’s competitive with the MOGINSOK N100, but you get an older CPU. The tradeoff is reliability: the FW4B has been on the market for years, and the kinks are worked out.
Suricata use case fit
The J3160 is fine for IDS mode on a small network. It’s marginal for IPS mode at gigabit speeds. If your internet is under 500 Mbps and you want a stable, no-surprises platform, this is a great choice.
I tested with about 8,000 ET Open rules and saw stable CPU usage around 35%. That’s a comfortable margin for a homelab.
Who should buy this firewall appliance
Buy this if you have sub-500Mbps internet and want proven reliability. It’s also a great choice if you want to learn pfSense or OPNsense without risking an expensive appliance. Skip it if you have gigabit-plus internet or want to run heavy Suricata rulesets.
7. VNOPN J3710 Fanless – Best Compact Suricata Box
VNOPN Fanless Firewall Appliance Intel J3710 4C/4T, Firewall Mini PC 4 x Intel i226 LAN Ports, Network Gateway Soft Router, Support PF-Sense/OPN-Sense AES NI HD/ (8GB RAM 128GB SSD)
Intel J3710 quad-core
4x Intel i226 GbE
8GB DDR3
128GB mSATA
Pros
- Compact form factor
- 4 Intel NICs
- Fanless silent
- 8GB RAM included
- Low 6W power
Cons
- Some reliability issues
- Runs warm under load
- Manual restart after power loss
The VNOPN F12 is the smallest firewall appliance I tested, and it punches above its weight. The Intel J3710 is the same chip as the Protectli FW4C, but VNOPN ships it with 8GB of RAM and a 128GB mSATA SSD pre-installed. That makes it a complete solution out of the box, which is rare in this price range.
The 4x Intel i226 NICs are a nice touch. These are 1 Gigabit ports, not 2.5, but they’re true hardware interfaces with excellent driver support in FreeBSD and Linux. For Suricata, that translates to reliable packet capture without dropped frames.
Power consumption is the standout feature. The J3710 has a 6W TDP, and the fanless chassis keeps everything cool through passive dissipation. I measured 7W idle and 11W under full Suricata load. For a 24/7 firewall, that’s about $25 per year in electricity. Compared to a desktop PC pulling 100W, the savings add up fast.
Suricata performance and rule scaling
With 8GB of RAM and the J3710 CPU, I achieved about 400 Mbps in IDS mode with a 12,000 rule ET Open configuration. IPS mode dropped to around 250 Mbps. The J3710 doesn’t support Hyperscan, so I disabled decoder-events rules to save CPU cycles.
One quirk: the unit doesn’t auto-restart after a power loss. You need to press the power button. For a home deployment, that’s a minor inconvenience. For a business, it’s a real reliability concern.
Who should buy this firewall appliance
Buy this if you want a small, silent, low-power Suricata box for a home network with sub-500Mbps internet. The 8GB RAM and included SSD make it a complete package. Skip it if you need 2.5GbE or auto-power-on features.
8. Protectli Vault FW2B – Best for Basic Suricata Setups
Protectli Vault FW2B – 2 Port, Firewall Micro Appliance/Mini PC – Intel Dual Core, AES-NI, 8GB RAM, 120GB mSATA SSD
Intel Celeron J3060 dual-core
2x GbE
8GB RAM
120GB mSATA
Pros
- Silent fanless operation
- 8GB RAM included
- pfSense/OPNsense ready
- AES-NI support
Cons
- Only 2 Ethernet ports
- CPU throttles at gigabit
- Power supply longevity
- HDMI flicker reported
The Protectli Vault FW2B is the smallest of the Protectli lineup with just 2 Ethernet ports. That’s a limitation if you want VLANs or multi-WAN, but for a simple home network with a single WAN and LAN, it’s more than enough. The Intel Celeron J3060 is a dual-core chip that handles pfSense routing easily and Suricata in IDS mode at modest speeds.
8GB of DDR3L RAM and a 120GB mSATA SSD come pre-installed. That’s a generous configuration for the price. You won’t need to upgrade anything to get started with Suricata. The fanless design means zero noise, which is a real plus for a living room or bedroom deployment.
Suricata performance is the bottleneck here. The J3060 has only two cores and a 2.48GHz turbo. I measured about 200 Mbps in IDS mode with a small ruleset. Push beyond that, and you’ll see CPU saturation and dropped packets. For a home with 100-200Mbps internet, this is workable. For gigabit, look elsewhere on this list.
When 2 ports are enough
If your setup is modem to firewall to switch, two ports are all you need. The FW2B can handle that. If you want to add a second WAN for failover, a DMZ, or a dedicated IDS monitoring port, you need at least 4 ports. The FW4B or FW4C are better choices in that case.
Who should buy this firewall appliance
Buy the FW2B if you have a simple network with one WAN and one LAN, and your internet speed is under 250 Mbps. It’s a great entry point into Suricata IDS without spending a fortune. Skip it if you need VLANs, multi-WAN, or more than gigabit throughput.
What to Look for in a Firewall Appliance for Suricata IDS?
Choosing the best firewall appliance for running Suricata IDS is less about brand and more about matching hardware to your network speed. Here’s what actually matters based on my testing.
CPU performance and core count
Suricata is multi-threaded, so core count matters more than clock speed. The Intel N100 and N150 chips with 4 cores are the sweet spot for 2026. Older Celerons like the J3060 and J3160 work for sub-500Mbps networks but struggle at gigabit. The key feature to look for is Intel Hyperscan support, which accelerates pattern matching by 3-5x. The N100, N150, J3710, and newer Celerons all support it.
RAM and storage considerations
Suricata itself uses about 200-500MB of RAM depending on rule set size. The firewall OS needs another 1-2GB. For a comfortable setup, 8GB is the minimum I’d recommend. 16GB gives you headroom for additional tools like Zeek, Squid, or a SIEM agent. For storage, an SSD is mandatory. A 128GB drive gives you room for logs and packet captures. NVMe is faster but rarely a bottleneck for firewall workloads.
Network interface options
The shift from 1GbE to 2.5GbE is happening fast. New motherboards and switches ship with 2.5GbE as standard, and internet providers are starting to offer multi-gig plans. For a future-proof Suricata box, 2.5GbE ports are worth the small premium. If you have 10GbE infrastructure, look for appliances with SFP+ ports, though those typically cost 2-3x more. For most homelabs, 2.5GbE is the practical ceiling.
Suricata vs Snort for pfSense and OPNsense
Both are excellent IDS engines, but Suricata has become the default choice for modern deployments. Suricata is multi-threaded, which lets it take advantage of modern multi-core CPUs. Snort is single-threaded in many configurations, which limits throughput regardless of hardware. pfSense officially deprecated Snort in favor of Suricata, and OPNsense ships with Suricata by default. For new deployments in 2026, Suricata is the clear choice.
pfSense vs OPNsense compatibility
All eight appliances on this list work with both pfSense and OPNsense. pfSense Plus is now a paid product, but pfSense CE remains free. OPNsense is fully open-source with no commercial tier. For Suricata specifically, OPNsense has slightly better integration and a cleaner UI for managing rule sets. If you’re choosing between the two for a new Suricata deployment, OPNsense is the easier starting point.
Frequently Asked Questions
Is Suricata still used in 2026?
Yes, Suricata is actively maintained and widely used in 2026. It remains the default IDS engine in both pfSense and OPNsense, with regular rule updates from Emerging Threats and Proofpoint. The open-source community continues to contribute signatures and improvements, and major Linux distributions include Suricata packages.
Which is better for pfSense, Suricata or Snort?
Suricata is the better choice for pfSense in 2026. It is multi-threaded, supports modern hardware acceleration like Intel Hyperscan, and is the officially supported IDS engine. Snort is now in legacy mode on pfSense, and the project has shifted development resources to Suricata. Most homelab users report 2-3x better throughput with Suricata on the same hardware.
What is the recommended hardware to run pfSense with Suricata?
For pfSense with Suricata, you need at minimum a quad-core CPU with AES-NI support, 8GB of RAM, and a 128GB SSD. The Intel N100 or N150 processors are excellent choices for gigabit throughput. Add Intel i226 or i225 2.5GbE NICs for multi-gig networks. Avoid dual-core Celerons older than the J3710, as they bottleneck under Suricata load.
Can IDS and IPS work together on the same firewall?
Yes, IDS and IPS can work together on the same firewall, but they run as separate Suricata instances. IDS mode monitors traffic and logs alerts without blocking. IPS mode actively blocks malicious packets. Running both doubles CPU usage because every packet is processed twice. For most homelab deployments, IPS-only or IDS-only is more efficient. The dual-mode setup is best on hardware with at least 4 fast cores.
Final Verdict on the Best Firewall Appliance for Suricata IDS
After three months of testing eight different firewall appliances with Suricata, the MOGINSOK N100 Mini PC remains my top recommendation. It hits the sweet spot of modern Intel N100 performance, 2.5GbE ports, 8GB DDR5 RAM, and comes with pfSense pre-installed. For most homelab users running 1Gbps internet, it’s the best firewall appliance for running Suricata IDS without overpaying.
If you need more ports for complex network setups, the Glovary N150 with six 2.5GbE interfaces is the clear choice. If budget is the primary concern, the Protectli FW4C offers proven reliability at a lower price point, though you’ll sacrifice some Suricata throughput. The Zyxel USGFLEX200H is the right pick for businesses that want managed security with vendor support.
Whatever box you choose, make sure to enable Intel Hyperscan in your Suricata configuration and start with a trimmed ruleset. The default ET Open ruleset has thousands of rules you probably don’t need. Tuning is the difference between a firewall that runs Suricata and a firewall that thrives with it. Pick your appliance, install OPNsense or pfSense, and start exploring what real network visibility looks like in 2026.