#!/bin/sh dnsflood_start() { if [ -x /usr/sbin/dns_flood_detector ]; then echo "Starting DNS Flood Detector: /usr/sbin/dns_flood_detector -d" /usr/sbin/dns_flood_detector -d fi } dnsflood_stop() { killall dns_flood_detector } dnsflood_restart() { dnsflood_stop sleep 1 dnsflood_start } case "$1" in 'start') dnsflood_start ;; 'stop') dnsflood_stop ;; 'restart') dnsflood_restart ;; *) echo "Usage: $0 start|stop|restart" exit 1 esac