Запретить Китаю подключение к моему серверу Google Compute Engine

У моей компании есть сервер Google Compute Engine, размещенный в Северной Америке. Мы получаем столько китайских IP-адресов, отправляющих запросы на порт 11, что это стоит нам денег за вход. Наш брандмауэр уже блокирует все соединения с Китаем, поскольку у них нет бизнеса, имеющего доступ к нашим приложениям.

Есть ли способ полностью игнорировать эти соединения или заблокировать их таким образом, чтобы они не использовали трафик?

Брандмауэры имеют два основных варианта при получении нежелательных попыток подключения.

1. ОТКЛОНИТЬ - отправить ответ, сообщив, что порт / служба / и т. Д. Закрыт или
   недоступен
2. DROP - не отвечать и просто отбрасывать пакеты

Слова REJECT / DROP не являются стандартными или используются во всех брандмауэрах, но разница между концепциями этих двух возможных действий будет существовать. Вы хотите сделать эквивалент DROP, чтобы не было исходящего трафика. Как уже упоминалось, за входящий трафик плата не взимается.

Входной трафик Google Compute Engine не взимается. Посмотрите на стоимость сети GCE . Если с вас взимается плата за входящий трафик, вы можете связаться с командой биллинга Cloud, чтобы уточнить и исправить стоимость.

Что касается запросов к порту 11, поскольку этот порт заблокирован в брандмауэре сети GCE, ваши экземпляры виртуальных машин должны быть в безопасности, а запросы не должны поглощать пропускную способность.

Мне любопытно узнать, как вы отслеживаете эти запросы.

Вот команды облачной оболочки для добавления правил брандмауэра:

gcloud compute --project=<project-name> firewall-rules create no-china-1 --description="Blocking these Chinese bots that want to rack up my network charges" --direction=INGRESS --priority=100 --network=default --action=DENY --rules=all --source-ranges=1.24.0.0/13,1.48.0.0/15,1.50.0.0/16,1.56.0.0/13,1.68.0.0/14,1.80.0.0/13,1.92.0.0/14,1.180.0.0/14,1.188.0.0/14,1.192.0.0/13,1.202.0.0/15,1.204.0.0/14,14.16.0.0/12,14.104.0.0/13,14.112.0.0/12,14.134.0.0/15,14.144.0.0/12,14.204.0.0/15,14.208.0.0/12,23.80.54.0/24,23.104.141.0/24,23.105.14.0/24,23.226.208.0/24,27.8.0.0/13,27.16.0.0/12,27.36.0.0/14,27.40.0.0/13,27.50.128.0/17,27.54.192.0/18,27.106.128.0/18,27.115.0.0/17,27.148.0.0/14,27.152.0.0/13,27.184.0.0/13,27.192.0.0/11,27.224.0.0/14,36.1.0.0/16,36.4.0.0/14,36.26.0.0/16,36.32.0.0/14,36.36.0.0/16,36.40.0.0/13,36.48.0.0/15,36.56.0.0/13,36.96.0.0/11,36.128.0.0/11,36.248.0.0/14,39.64.0.0/11,39.96.0.0/13,39.128.0.0/10,42.4.0.0/14,42.48.0.0/15,42.52.0.0/14,42.56.0.0/14,42.84.0.0/14,42.88.0.0/13,42.96.128.0/17,42.100.0.0/14,42.120.0.0/14,42.156.0.0/16,42.176.0.0/13,42.185.0.0/16,42.202.0.0/15,42.224.0.0/12,42.242.0.0/15,42.248.0.0/15,43.255.0.0/20,43.255.16.0/22,43.255.48.0/22,43.255.60.0/22,43.255.64.0/20,43.255.96.0/20,43.255.144.0/22,43.255.168.0/22,43.255.176.0/22,43.255.184.0/22,43.255.192.0/22,43.255.200.0/21,43.255.208.0/21,43.255.224.0/21,43.255.232.0/22,43.255.244.0/22,47.74.0.0/15,47.76.0.0/14,47.80.0.0/13,47.88.0.0/14,47.92.0.0/14,49.5.0.0/16,49.64.0.0/11,49.112.0.0/13,54.222.0.0/15,58.16.0.0/14,58.20.0.0/16,58.21.0.0/16,58.22.0.0/15,58.34.0.0/16,58.37.0.0/16,58.38.0.0/16,58.40.0.0/16,58.42.0.0/16,58.44.0.0/14,58.48.0.0/13,58.56.0.0/14,58.60.0.0/14,58.68.128.0/17,58.82.0.0/15,58.100.0.0/15,58.116.0.0/14,58.128.0.0/13,58.208.0.0/12,58.240.0.0/13,58.248.0.0/13,59.32.0.0/12,59.48.0.0/14,59.52.0.0/14,59.56.0.0/13,59.72.0.0/16,59.108.0.0/15,59.172.0.0/14,60.0.0.0/12,60.11.0.0/16,60.12.0.0/14,60.16.0.0/13,60.24.0.0/13,60.160.0.0/11,60.194.0.0/15,60.205.0.0/16,60.208.0.0/12,60.253.128.0/17,61.4.64.0/20,61.4.80.0/22,61.4.176.0/20,61.48.0.0/13,61.128.0.0/10,61.135.0.0/16,61.136.0.0/18,61.139.0.0/16,61.145.73.208/28,61.147.0.0/16,61.150.0.0/16,61.152.0.0/16,61.154.0.0/16,61.158.0.0/16,61.160.0.0/16,61.162.0.0/15,61.164.0.0/16,61.172.0.0/15,61.175.0.0/16,61.177.0.0/16,61.179.0.0/16,61.183.0.0/16,61.184.0.0/16,61.185.219.232/29,61.187.0.0/16,61.188.0.0/16,61.232.0.0/14,61.236.0.0/15,61.240.0.0/14,94.191.0.0/17

gcloud compute --project=<project-name> firewall-rules create no-china-2 --description=https://www.wizcrafts.net/chinese-blocklist.html --direction=INGRESS --priority=100 --network=default --action=DENY --rules=all --source-ranges=101.16.0.0/12,101.37.0.0/16,101.64.0.0/13,101.72.0.0/14,101.76.0.0/15,101.80.0.0/12,101.132.0.0/15,101.200.0.0/15,101.224.0.0/13,101.248.0.0/15,101.254.0.0/16,103.211.164.0/22,103.253.4.0/22,106.4.0.0/14,106.8.0.0/15,106.12.0.0/14,106.16.0.0/12,106.32.0.0/12,106.43.0.0/16,106.56.0.0/13,106.74.0.0/15,106.80.0.0/12,106.108.0.0/14,106.112.0.0/13,106.120.0.0/13,110.6.0.0/15,110.16.0.0/14,110.51.0.0/16,110.52.0.0/15,110.80.0.0/13,110.88.0.0/14,110.96.0.0/11,110.152.0.0/14,110.156.0.0/15,110.166.0.0/15,110.173.0.0/19,110.173.32.0/20,110.173.64.0/18,110.176.0.0/14,110.184.0.0/13,110.192.0.0/11,110.228.0.0/14,110.240.0.0/12,111.0.0.0/10,111.72.0.0/13,111.85.0.0/16,111.112.0.0/15,111.120.0.0/14,111.124.0.0/16,111.126.0.0/15,111.128.0.0/11,111.160.0.0/13,111.172.0.0/14,111.176.0.0/13,111.192.0.0/12,111.224.0.0/14,111.228.0.0/14,112.0.0.0/10,112.64.0.0/14,112.73.0.0/16,112.74.0.0/16,112.80.0.0/12,112.98.0.0/15,112.100.0.0/14,112.109.128.0/17,112.111.0.0/16,112.112.0.0/14,112.116.0.0/15,112.122.0.0/15,112.192.0.0/14,112.224.0.0/11,113.0.0.0/13,113.8.0.0/15,113.12.0.0/14,113.16.0.0/15,113.18.0.0/16,113.54.0.0/15,113.56.0.0/15,113.58.0.0/16,113.59.0.0/17,113.62.0.0/15,113.64.0.0/10,113.120.0.0/13,113.128.0.0/15,113.132.0.0/14,113.136.0.0/13,113.194.0.0/15,113.200.0.0/15,113.204.0.0/14,113.218.0.0/15,113.220.0.0/14,113.224.0.0/12,113.240.0.0/13,113.248.0.0/14,114.28.0.0/16,114.54.0.0/15,114.64.0.0/14,114.80.0.0/12,114.96.0.0/13,114.104.0.0/14,114.112.0.0/14,114.135.0.0/16,114.138.0.0/15,114.215.0.0/16,114.216.0.0/13,114.224.0.0/11,115.24.0.0/15,115.28.0.0/15,115.32.0.0/14,115.48.0.0/12,115.84.0.0/18,115.100.0.0/14,115.148.0.0/14,115.152.0.0/15,115.159.0.0/16,115.166.64.0/19,115.168.0.0/14,115.192.0.0/11,115.224.0.0/12,116.1.0.0/16,116.2.0.0/15,116.4.0.0/14,116.8.0.0/14,116.16.0.0/12,116.52.0.0/14,116.56.0.0/15,116.60.0.0/14,116.76.0.0/15,116.85.0.0/16,116.90.80.0/20,116.95.0.0/16,116.112.0.0/14,116.116.0.0/15,116.128.0.0/10,116.204.0.0/15,116.207.0.0/16,116.208.0.0/14,116.213.64.0/18,116.213.128.0/17,116.224.0.0/12,116.248.0.0/15,116.252.0.0/15,116.254.128.0/18,117.8.0.0/13,117.21.0.0/16,117.22.0.0/15,117.24.0.0/13,117.32.0.0/13,117.40.0.0/14,117.44.0.0/15,117.50.0.0/16,117.51.0.0/16,117.57.0.0/16,117.60.0.0/14,117.64.0.0/13,117.79.224.0/20,117.80.0.0/12,117.106.0.0/15,117.112.0.0/13,117.128.0.0/10,118.24.0.0/15,118.26.0.0/16,118.72.0.0/13,118.80.0.0/15,118.89.0.0/16,118.112.0.0/13,118.120.0.0/14,118.124.0.0/15,118.132.0.0/14,118.144.0.0/14,118.180.0.0/14,118.186.0.0/15,118.192.0.0/15,118.194.0.0/16,118.213.0.0/16,118.244.0.0/16,118.248.0.0/13,119.0.0.0/13,119.8.0.0/16,119.10.0.0/17,119.18.192.0/20,119.23.0.0/16,119.28.0.0/15,119.32.0.0/14,119.36.0.0/16,119.39.0.0/16,119.44.0.0/16,119.48.0.0/13,119.57.0.0/16,119.60.0.0/15,119.62.0.0/16,119.84.0.0/14,119.88.0.0/14,119.96.0.0/13,119.108.0.0/15,119.112.0.0/13,119.120.0.0/13,119.128.0.0/12,119.144.0.0/14,119.162.0.0/15,119.164.0.0/14,119.176.0.0/12,119.233.0.0/16,119.248.0.0/14,120.0.0.0/12,120.24.0.0/14,120.30.0.0/15

gcloud compute --project=<project-name> firewall-rules create no-china-3 --description="2 and 3 are both made up of line 2 in the source rules" --direction=INGRESS --priority=100 --network=default --action=DENY --rules=all --source-ranges=120.32.0.0/13,120.40.0.0/14,120.68.0.0/14,120.76.0.0/14,120.80.0.0/13,120.92.0.0/16,120.192.0.0/10,121.0.16.0/20,121.4.0.0/15,121.8.0.0/13,121.16.0.0/12,121.32.0.0/14,121.40.0.0/14,121.52.208.0/20,121.52.224.0/19,121.56.0.0/15,121.60.0.0/14,121.68.0.0/14,121.76.0.0/15,121.100.128.0/17,121.196.0.0/14,121.201.0.0/16,121.204.0.0/14,121.224.0.0/12,122.4.0.0/14,122.8.0.0/16,122.10.128.0/17,122.51.128.0/17,122.64.0.0/11,122.96.0.0/15,122.119.0.0/16,122.136.0.0/13,122.156.0.0/14,122.188.0.0/14,122.192.0.0/14,122.198.0.0/16,122.200.64.0/18,122.224.0.0/12,122.240.0.0/13,123.4.0.0/14,123.8.0.0/13,123.52.0.0/14,123.56.0.0/14,123.64.0.0/11,123.97.128.0/17,123.100.0.0/19,123.112.0.0/12,123.128.0.0/13,123.138.0.0/15,123.144.0.0/14,123.148.0.0/15,123.150.0.0/15,123.152.0.0/13,123.160.0.0/14,123.164.0.0/14,123.172.0.0/15,123.178.0.0/15,123.180.0.0/14,123.184.0.0/13,123.196.0.0/15,123.206.0.0/15,123.232.0.0/14,123.244.0.0/14,123.249.0.0/16,124.42.0.0/16,124.64.0.0/15,124.66.0.0/17,124.67.0.0/16,124.72.0.0/13,124.88.0.0/15,124.92.0.0/14,124.112.0.0/15,124.114.0.0/15,124.117.0.0/16,124.118.0.0/15,124.126.0.0/15,124.128.0.0/13,124.152.0.0/16,124.160.0.0/13,124.192.0.0/15,124.200.0.0/13,124.224.0.0/16,124.226.0.0/15,124.228.0.0/14,124.234.0.0/15,124.236.0.0/14,124.240.0.0/17,124.240.128.0/18,124.248.0.0/17,125.32.0.0/14,125.36.0.0/14,125.40.0.0/13,125.64.0.0/12,125.79.0.0/16,125.80.0.0/13,125.88.0.0/13,125.104.0.0/13,125.112.0.0/12,125.210.0.0/15,125.216.0.0/13,132.232.0.0/16,134.175.0.0/16,139.129.0.0/16,139.170.0.0/16,139.189.0.0/16,139.199.0.0/16,139.206.0.0/16,139.208.0.0/13,139.217.0.0/16,139.224.0.0/16,139.226.0.0/15,140.143.0.0/16,140.206.0.0/15,140.224.0.0/16,140.237.0.0/16,140.240.0.0/16,140.246.0.0/16,140.249.0.0/16,140.255.0.0/16,142.4.117.0/30,144.0.0.0/16,144.12.0.0/16,144.52.0.0/16,144.123.0.0/16,144.255.0.0/16,150.109.0.0/16,150.138.0.0/15,150.242.152.0/21,150.242.160.0/21,150.242.168.0/22,153.0.0.0/16,153.99.0.0/16,159.226.0.0/16,162.209.168.0/24,171.8.0.0/13,171.34.0.0/15,171.36.0.0/14,171.40.0.0/13,171.80.0.0/14,171.88.0.0/13,171.104.0.0/13,171.112.0.0/14,171.116.0.0/14,171.120.0.0/13,171.208.0.0/12,175.0.0.0/12,175.16.0.0/13,175.24.0.0/14,175.30.0.0/15,175.42.0.0/15,175.44.0.0/16,175.46.0.0/15,175.48.0.0/12,175.64.0.0/11,175.102.0.0/16,175.106.128.0/17,175.146.0.0/15,175.148.0.0/14,175.152.0.0/14,175.160.0.0/12,175.178.0.0/16,175.184.128.0/18,175.185.0.0/16,175.186.0.0/15,175.188.0.0/14,180.76.0.0/16,180.95.128.0/17,180.96.0.0/11,180.136.0.0/13,180.152.0.0/13,180.160.0.0/12,180.208.0.0/15,180.212.0.0/15,182.18.0.0/17,182.32.0.0/12,182.50.112.0/20,182.61.0.0/16,182.84.0.0/14,182.88.0.0/14,182.96.0.0/12,182.112.0.0/12,182.128.0.0/12,182.144.0.0/13,182.200.0.0/13,182.240.0.0/13,183.0.0.0/10,183.64.0.0/13,183.92.0.0/14,183.128.0.0/11,183.160.0.0/12,183.184.0.0/13,183.192.0.0/10,192.34.109.224/28,198.2.203.64/28,198.2.212.160/28,198.15.171.64/26

gcloud compute --project=<project-name> firewall-rules create no-china-4 --description="rule 4 is line 3 in source file, as of 2019-09-18" --direction=INGRESS --priority=100 --network=default --action=DENY --rules=all --source-ranges=202.43.144.0/22,202.46.32.0/19,202.65.96.0/20,202.66.0.0/16,202.75.208.0/20,202.96.0.0/12,202.111.160.0/19,202.112.0.0/14,202.117.0.0/16,202.127.112.0/20,202.165.176.0/20,202.196.80.0/20,203.69.0.0/16,203.81.16.0/20,203.86.0.0/18,203.86.64.0/19,203.93.0.0/16,203.169.160.0/19,203.171.224.0/20,203.195.160.0/23,210.5.0.0/19,210.12.0.0/16,210.14.128.0/19,210.21.0.0/16,210.22.0.0/16,210.32.0.0/14,210.51.0.0/16,210.52.0.0/15,210.75.0.0/16,210.77.0.0/16,210.79.64.0/18,210.192.96.0/19,211.76.96.0/20,211.78.208.0/20,211.80.0.0/13,211.86.144.0/20,211.90.0.0/15,211.92.0.0/14,211.96.0.0/13,211.136.0.0/13,211.144.0.0/12,211.160.0.0/13,211.233.70.0/24,212.64.0.0/17,218.0.0.0/11,218.56.0.0/13,218.64.0.0/11,218.84.0.0/14,218.88.0.0/13,218.96.0.0/14,218.102.0.0/16,218.104.0.0/14,218.108.0.0/15,218.194.80.0/20,218.200.0.0/13,218.240.0.0/13,218.249.0.0/16,219.128.0.0/11,219.154.0.0/15,219.223.192.0/18,219.232.0.0/16,219.234.80.0/20,219.235.0.0/16,219.238.0.0/15,220.112.0.0/16,220.154.0.0/15,220.160.0.0/11,220.181.0.0/16,220.191.0.0/16,220.192.0.0/12,220.228.70.0/24,220.242.0.0/15,220.248.0.0/14,220.250.0.0/19,220.252.0.0/16,221.0.0.0/12,221.122.0.0/15,221.130.0.0/15,221.136.0.0/15,221.172.0.0/14,221.176.0.0/13,221.192.0.0/14,221.196.0.0/15,221.198.0.0/16,221.199.0.0/17,221.200.0.0/14,221.204.0.0/15,221.206.0.0/16,221.207.0.0/16,221.208.0.0/12,221.212.0.0/15,221.214.0.0/15,221.216.0.0/13,221.224.0.0/13,221.228.0.0/14,221.232.0.0/13,222.32.0.0/11,222.64.0.0/12,222.80.0.0/12,222.128.0.0/14,222.132.0.0/14,222.136.0.0/13,222.160.0.0/14,222.168.0.0/13,222.172.222.0/24,222.176.0.0/13,222.184.0.0/13,222.200.0.0/16,222.208.0.0/13,222.216.0.0/14,222.220.0.0/15,222.222.0.0/15,222.240.0.0/13,222.249.0.0/16,223.4.0.0/14,223.8.0.0/13,223.64.0.0/11,223.96.0.0/12,223.112.0.0/14,223.144.0.0/12,223.198.0.0/15,223.214.0.0/15,223.223.176.0/20,223.223.192.0/20,223.255.0.0/17,223.240.0.0/13

Не забудьте заменить его <project-name>своим реальным названием проекта.

Он должен быть разделен между несколькими правилами, потому что GCP ограничивает вас 256 диапазонами IP на правило брандмауэра. Источник диапазона IP здесь .