EXECUTE@ubuntu ==> sudo nano /etc/init.d/rc.local & REPLACE

#! /bin/sh
### BEGIN INIT INFO
# Provides:          rc.local
# Required-Start:    $remote_fs $syslog $all
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:
# Short-Description: Run /etc/rc.local if it exist
### END INIT INFO

INET_IFACE="eth0"
IPT="/sbin/iptables"
BLACK_IP="103.11.50.34 \
46.147.60.64 \
109.91.30.16 \
114.255.40.38 \
116.11.5.112 \
118.173.205.117 \
119.147.78.6 \
119.74.123.88 \
119.95.251.108 \
121.254.90.62 \
121.99.75.243 \
122.194.3.167 \
123.114.248.63 \
123.150.201.15 \
123.69.158.153 \
124.121.80.123 \
124.236.199.215 \
125.33.17.142 \
128.69.131.175 \
14.155.253.37 \
142.46.246.115 \
151.20.94.20 \
171.216.25.79 \
171.94.157.118 \
173.161.13.5 \
173.84.191.52 \
174.114.141.214 \
174.23.163.202 \
174.88.164.11 \
175.139.32.240 \
177.179.152.136 \
178.254.41.194 \
183.156.121.86 \
183.230.11.43 \
184.56.155.27 \
184.75.214.10 \
188.238.79.72 \
189.61.174.181 \
190.79.34.112 \
197.202.76.143 \
2.138.16.41 \
202.127.23.209 \
211.157.139.180 \
202.127.23.209 \
211.157.139.180 \
212.109.132.199 \
212.23.14.74 \
217.30.74.99 \
218.17.158.250 \
218.188.205.54 \
222.217.62.194 \
222.92.62.197 \
223.18.207.193 \
223.83.68.96 \
223.85.232.215 \
24.13.0.156 \
24.18.179.76 \
46.98.96.161 \
47.16.208.68 \
49.181.236.99 \
5.173.75.162 \
5.29.96.120 \
58.63.154.94 \
59.167.167.150 \
59.167.60.3 \
59.173.210.175 \
61.190.85.145 \
65.78.139.63 \
66.91.94.146 \
67.0.163.127 \
68.196.153.140 \
70.246.96.127 \
71.162.218.111 \
71.80.79.76 \
72.196.110.136 \
74.212.2.186 \
75.119.252.127 \
75.138.180.0 \
75.170.154.61 \
76.179.237.169 \
76.3.13.136 \
77.109.117.130 \
78.250.212.174 \
78.54.17.31 \
79.157.252.12 \
79.158.213.14 \
79.227.182.167 \
82.1.39.128 \
83.215.142.159 \
83.248.127.132 \
83.251.59.222 \
83.5.231.96 \
83.60.199.134 \
84.112.39.24 \
84.125.49.238 \
84.13.99.162 \
84.250.179.230 \
84.55.196.131 \
84.250.179.230 \
84.55.196.131 \
85.16.191.23 \
86.85.73.186 \
87.212.145.237 \
88.219.88.69 \
92.109.9.115 \
93.3.222.186 \
94.79.44.51 \
95.220.135.224 \
95.57.133.203 \
95.91.155.5 \
96.30.148.81 \
97.68.106.36 \
98.210.39.121 \
99.117.31.40 \
99.71.127.242"

    for black in $BLACK_IP
    do
      $IPT -A INPUT -i $INET_IFACE --source $black -j DROP
    done


PATH=/sbin:/usr/sbin:/bin:/usr/bin

. /lib/init/vars.sh
. /lib/lsb/init-functions

do_start() {
        if [ -x /etc/rc.local ]; then
                [ "$VERBOSE" != no ] && log_begin_msg "Running local boot scripts (/etc/rc.local)"
                /etc/rc.local
                ES=$?
                [ "$VERBOSE" != no ] && log_end_msg $ES
                return $ES
        fi
}

case "$1" in
    start)
        do_start
        ;;
    restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2
        exit 3
        ;;
    stop)
        ;;
    *)
        echo "Usage: $0 start|stop" >&2
        exit 3
        ;;
esac