FireHOL

Spec sheet

Supported platforms

linuxRead 22 Sep 2026 · firehol.org

Support

The FAQ invites questions and points users to a support mailing list for security-problem updates.Read 11 Oct 2026 · firehol.org

License

The project states that all of FireHOL is available under the GPLv2+ license.Read 11 Oct 2026 · firehol.org

Auditability

The FAQ describes explain and debug features that show generated iptables statements and advises users to audit the resulting firewall.Read 11 Oct 2026 · firehol.org

Connection alerts

YesRead 22 Sep 2026 · firehol.org

Distribution support

The installation page lists packages or instructions for Debian/Ubuntu, Red Hat/CentOS, Arch Linux, and OpenWRT.Read 11 Oct 2026 · firehol.org

Firewall behavior

FireHOL uses a deny-by-default approach and automatically handles replies to allowed requests.Read 11 Oct 2026 · firehol.org

Firewall tool

FireHOL is a language and program that builds stateful firewalls from human-readable configurations.Read 11 Oct 2026 · firehol.org

IPv4 and IPv6

FireHOL and FireQOS abstract differences between IPv4 and IPv6 and can apply rules to either or both.Read 11 Oct 2026 · firehol.org

Limit

The homepage says FireHOL does not directly support QoS, though ordinary iptables commands can be embedded in its configuration.Read 11 Oct 2026 · firehol.org

Outbound control

advancedRead 22 Sep 2026 · firehol.org

Release verification

Site tar-file releases include MD5 and SHA512 checksums, and official releases also include detached GPG signatures.Read 11 Oct 2026 · firehol.org

Requirements

Recent versions rely on iprange and common shell and networking commands available on modern Linux distributions.Read 11 Oct 2026 · firehol.org

Rule direction

bothRead 22 Sep 2026 · firehol.org

Supported services

FireHOL includes definitions for services such as HTTP, SMTP, SSH, DNS, FTP, NFS, and Samba, and users can define additional services.Read 11 Oct 2026 · firehol.org

Traffic shaping

FireQOS configures traffic shaping from a flexible configuration file and can report status or dump traffic for a class.Read 11 Oct 2026 · firehol.org

Use cases

Listed uses include DMZ routers and servers, NAT, flood and spoofing protection, blacklists and whitelists, and bandwidth limits.Read 11 Oct 2026 · firehol.org

Plans and prices

Every FireHOL plan and price →

Where Specifiction places it

• Firewall Software#55 of 807.6