/etc/init/fwknop-server.conf is in fwknop-server 2.6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | # fwknopd - Single Packet Authorization daemon
#
# The fwknopd daemon provides a Single Packet Authorization layer to services
# such as SSHD.
description "fwknopd daemon"
start on (local-filesystems and net-device-up IFACE!=lo)
stop on runlevel [!2345]
respawn
respawn limit 10 5
umask 022
### uncomment the post-start lines below if you want email notifications
### whenever fwknopd is (re)started - be sure to edit the EMAIL_ADDR variable
# post-start script
# HOST=`hostname`
# EMAIL_ADDR=you@domain.com
# mail -s "Starting fwknop on $HOST" $EMAIL_ADDR < /dev/null > /dev/null 2>&1
# end script
expect fork
exec /usr/sbin/fwknopd
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