Freedom251 › Firewall Software
FireHOL

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| FireHOL and FireQOS | GPLv2+ licensed software | Free |
As firehol.org lists them, read 11 Oct 2026. The maker's own page has the final word.
Facts from FireHOL's own pages
- Auditability
- The FAQ describes explain and debug features that show generated iptables statements and advises users to audit the resulting firewall. · firehol.org, 11 Oct 2026
- Connection alerts
- Yes · firehol.org, 22 Sept 2026
- Distribution support
- The installation page lists packages or instructions for Debian/Ubuntu, Red Hat/CentOS, Arch Linux, and OpenWRT. · firehol.org, 11 Oct 2026
- Firewall behavior
- FireHOL uses a deny-by-default approach and automatically handles replies to allowed requests. · firehol.org, 11 Oct 2026
- Firewall tool
- FireHOL is a language and program that builds stateful firewalls from human-readable configurations. · firehol.org, 11 Oct 2026
- IPv4 and IPv6
- FireHOL and FireQOS abstract differences between IPv4 and IPv6 and can apply rules to either or both. · firehol.org, 11 Oct 2026
- License
- The project states that all of FireHOL is available under the GPLv2+ license. · firehol.org, 11 Oct 2026
- Limit
- The homepage says FireHOL does not directly support QoS, though ordinary iptables commands can be embedded in its configuration. · firehol.org, 11 Oct 2026
- Outbound control
- advanced · firehol.org, 22 Sept 2026
- Supported platforms
- linux · firehol.org, 22 Sept 2026
- Release verification
- Site tar-file releases include MD5 and SHA512 checksums, and official releases also include detached GPG signatures. · firehol.org, 11 Oct 2026
- Requirements
- Recent versions rely on iprange and common shell and networking commands available on modern Linux distributions. · firehol.org, 11 Oct 2026
- Rule direction
- both · firehol.org, 22 Sept 2026
- Support
- The FAQ invites questions and points users to a support mailing list for security-problem updates. · firehol.org, 11 Oct 2026
- Supported services
- FireHOL includes definitions for services such as HTTP, SMTP, SSH, DNS, FTP, NFS, and Samba, and users can define additional services. · firehol.org, 11 Oct 2026
- Traffic shaping
- FireQOS configures traffic shaping from a flexible configuration file and can report status or dump traffic for a class. · firehol.org, 11 Oct 2026
- Use cases
- Listed uses include DMZ routers and servers, NAT, flood and spoofing protection, blacklists and whitelists, and bandwidth limits. · firehol.org, 11 Oct 2026
Where FireHOL stands on Freedom251
- Firewall Software#32 of 81