Router and firewall operating systems provide network edge and gateway services, controlling traffic flow and protecting networks from unauthorized access. These systems serve as the first line of defense in network security.
| Tool | Technical Stack | License | Setup Link |
|---|---|---|---|
| DD-WRT | Linux | GPL-2.0 | Setup |
| IPFire | Linux | GPL-3.0 | Setup |
| OpenWrt | Linux | GPL-2.0 | Setup |
| OPNsense | FreeBSD | BSD-2-Clause | Setup |
| pfSense CE | FreeBSD | Apache-2.0 | Setup |
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