Scroll to navigation

FOOMUURI(8) User Manual FOOMUURI(8)

NAME

foomuuri - multizone bidirectional nftables firewall

SYNOPSIS

foomuuri [OPTIONS] COMMAND

DESCRIPTION

Foomuuri is a firewall generator for nftables based on the concept of zones. It is suitable for all systems from personal machines to corporate firewalls, and supports advanced features such as a rich rule language, IPv4/IPv6 rule splitting, dynamic DNS lookups, a D-Bus API and firewalld emulation for NetworkManager’s zone support.

OPTIONS

Print help and exit.
Print version information and exit.
Verbose output.
Be quiet.
Force some operations, don’t check anything.
Don’t force operations, check more.
Fork as a background daemon process.
Enable syslog logging.
Set foomuuri{} config OPTION to VALUE.

COMMANDS

Load configuration files, generate new ruleset and load it to kernel.
Remove ruleset from kernel.
Same as start, followed by iplist refresh.
Same as reload, ask confirmation to keep new config. Revert back to old config if no reply.
Show current status: running, zone-interface mapping.
Load configuration files and verify syntax.
Load “block all traffic” ruleset to kernel.
List active ruleset currently loaded to kernel. Include whole ruleset or only specified ZONE-ZONE.
List all macros or macros with specified NAME(s) or VALUE(s).
List all or specified named COUNTER(s).
List number of entries of all or specified IPLIST(s).
List entries of all or specified IPLIST(s).
Add or refresh IPADDRESS(es) to IPLIST. TIMEOUT format is the same as in iplist{} section, for example “4h”.
Delete IPADDRESS(es) from IPLIST.
Delete all added IP addresses from all or specified IPLIST(s).
Refresh all or specified IPLIST(s) now.
Change INTERFACE to ZONE, or remove from all zones.

FILES

Foomuuri reads configuration files from /etc/foomuuri/*.conf. See https://foomuuri.foobar.fi/latest/example/host-firewall/ for example configuration.

AUTHORS

Kim B. Heino, b@bbbs.net, Foobar Oy

BUG REPORTS

Submit bug reports https://github.com/FoobarOy/foomuuri/issues

SEE ALSO

Full documentation https://foomuuri.foobar.fi/latest/

June 3, 2026 Foomuuri 0.33