When a company outgrows the router that came from its internet provider, two names come up again and again: pfSense and MikroTik. Both are widely used in small and mid-size business networks, both are far more capable than consumer devices and both can be configured badly. The best choice depends on what you need to do and who will maintain it.
This article compares them honestly and then gives a checklist for configuring a firewall securely, whichever you pick.
The two in short
pfSense is a firewall and router software based on FreeBSD, run on standard x86 hardware or on appliances. Its strength is a rich firewall feature set, a clear web interface and a large package ecosystem, including VPN, intrusion detection and traffic analysis.
MikroTik makes network hardware that runs RouterOS. It covers routers, switches and wireless access points in one family, at very good prices, with very flexible routing and a configuration model that rewards experience.
Side by side
| Area | pfSense | MikroTik |
|---|---|---|
| Form | Software on your own or purpose-built hardware | Hardware with RouterOS included |
| Firewall focus | Strong, stateful firewall as a core strength | Capable firewall, rules are powerful but less guided |
| Routing and networking | Good for typical business routing, VLANs, multi-WAN | Excellent and very flexible, including advanced routing |
| Interface | Clear web GUI, easier to learn | WinBox and CLI, steeper learning curve |
| Extras | Packages for IDS/IPS, VPN, proxy, reporting | Built-in VPN options, wireless and switching in the same ecosystem |
| Cost | Hardware cost and optional support | Very low hardware cost |
| Best for | Offices that want a security-focused gateway with clear management | Networks with complex routing, many sites or tight budgets, managed by someone experienced |
When each makes sense
pfSense fits well when
- the firewall is the main concern: segmentation, remote access and logging;
- you want intrusion detection or traffic inspection on the gateway;
- the team prefers a graphical interface with sensible defaults.
MikroTik fits well when
- you have several sites, complex routing or many VLANs;
- you want routers, switches and Wi-Fi from one vendor at a low price;
- you have someone who knows RouterOS well, or you work with a provider who does.
The product matters less than the configuration. A carefully configured MikroTik is safer than a default pfSense, and the other way round. Most firewall incidents come from rules nobody reviewed, not from the brand.
Secure configuration checklist
- Default deny. Block everything from the internet and between internal zones, then allow only what is needed.
- Segment the network. Separate VLANs for users, servers, guests, cameras and printers, with firewall rules between them.
- Close management access. Do not expose the admin interface to the internet. Allow it only from a management network or over VPN.
- Change defaults. New admin usernames, strong unique passwords, and disable unused services.
- Use multi-factor authentication for VPN and administrators where the platform allows it.
- Keep it updated. Plan firmware and package updates and test them first.
- Restrict outbound traffic where you can. A compromised device that cannot call out is much less dangerous.
- Review port forwards and old rules regularly and remove what is no longer needed.
- Enable logging and send logs to a central place, then look at them.
- Back up the configuration after every change and keep a copy off the device.
- Test your rules from outside and between zones, instead of assuming they work.
Common mistakes
- Leaving “allow any” rules from the initial setup.
- Remote desktop forwarded straight to the internet.
- One flat network for everything, including guests.
- No one responsible for updates after the installer leaves.
How we can help
Alficom specializes in implementing and tuning pfSense and MikroTik environments with deep packet inspection and strong intrusion prevention, as part of our advanced threat protection and firewalling service. We can recommend the right platform for your network, configure it and keep it updated. If you plan a larger redesign, see also our network design service.
