iptables
6.4#50 in firewall softwareFree planFree planLinuxSelf-hosted
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| Fact | iptables | OPNsense |
|---|---|---|
| Founded | 1999 | 2014 |
| Free plan | Yes | Yes |
| License | The project site provides GPL licensing terms and a GPL compliance FAQ. | OPNsense is available under the Open Source Initiative approved 2-clause BSD license. |
You want what its maker publishes above — check its page for the details.
OPNsense suits people and organizations seeking a self-hosted firewall and routing platform with VPN, traffic monitoring, and intrusion-prevention capabilities. Its Business Edition is intended for companies, enterprises, and professionals seeking commercial features and a selective upgrade path.