- Single- & multi-homed firewall script with
is an iptables configuration script with support
for both IPv4 & IPv6. While it is extremely easy to use one can
nevertheless use it in quite complicated environments.
All available options are explained in the extensively documented configuration
The external interface of the system needs to be set up properly in the
firewalls configuration file (EXT_IF). The default behavior of the firewall is
to deny all incoming connections.
For additional requirements not covered by the configuration file custom
iptables rules can be placed in /etc/arno-iptables-firewall/custom-rules. This
file is automatically parsed by the service script.
See the README file (eg. in
for an example how to
manage logging of firewall events through syslogd.
script can be used to make the firewall logs more
readable for humans (see manpage).
Several plugins for the firewall script are available online. Plugins can be
downloaded from http://rocky.eld.leidenuniv.nl/
Please see the README
file for more information.
/etc/init.d/arno-iptables-firewall system service script
/etc/arno-iptables-firewall/firewall.conf firewall configuration
/etc/arno-iptables-firewall/conf.d/ firewall configuration directory
/etc/arno-iptables-firewall/custom-rules custom iptables rules
/etc/arno-iptables-firewall/blocked-hosts host blacklist
/etc/arno-iptables-firewall/mac-addresses mac filter list
Please note, that the last two files do exist in the initial configuration and
their use is disabled in /etc/arno-iptables-firewall/firewall.conf
arno-iptables-firewall was written by Arno van Amersfoort
<firstname.lastname@example.org> and Lonnie Abelbeck
This manual page was written by Michael Hanke <email@example.com>,
for the Debian project (but may be used by others).