- Daemon in charge to remove firewall rules.
is a daemon that removes rule entries from the iptables or ipfw policies to which
fwknop has added access rules for legitimate fwknop PK/SPA clients. This daemon
runs in all authentication modes supported by fwknopd (both port knocking and SPA),
and enforces rule timeouts that defined by the
-c, --config <config-file>
When run as a daemon
references the file
for various run-time configuration
variables. The path to this file can be changed through the use of the
command line option.
Specify the interface that
sniffs to acquire packet data. This is
used for running interface checks, such as checking whether the interface
has been deleted and recreated (e.g. ppp restart for a VPN connection).
daemon passes this argument on the
Allow the user to collect outputs from the knoptm daemon by writing debug
information to a specific file.
Manually specify the firewall type from the command line.
Display usage information and exit.
Display version information and exit.
Path to the perl modules directory (not usually necessary).
-l, --locale <locale>
Provide a locale setting other than the default "C" locale.
Do not set the locale at all so that the default system locale will apply.
Do not generate any log output or emails (fwknop_test.pl uses this).
Disregard ENABLE_VOLUNTARY_EXITS setting. This way fwknopd/knoptm is not allowed
to be restarted periodically according to EXIT_INTERVAL.
-O, --Override-config <file>
Override config variable values that are normally read from the
/etc/fwknop/fwknop.conf file with values from the specified file. Multiple
override config files can be given as a comma separated list.
can be run in debug mode with the --debug command line option. This will
disable daemon mode execution, and print verbose information to the screen