Impedisci alla Cina di connettersi al mio server Google Compute Engine

11

La mia azienda ha un server di Google Compute Engine ospitato in Nord America. Riceviamo così tanti indirizzi IP cinesi che inviano richieste alla porta 11 che ci sta costando soldi per l'ingresso. Il nostro firewall blocca già tutte le connessioni con la Cina poiché non hanno attività commerciali che hanno accesso alle nostre applicazioni.

C'è un modo per ignorare completamente queste connessioni o bloccarle in modo tale da non consumare larghezza di banda?

— josh123a123
fonte

3

Sarà su Google, se vogliono supportarlo. Non puoi controllare nulla dall'altra parte delle porte di ingresso.

— Hyppy,

Perché la porta 11 è completamente aperta?

— Ceejayoz,

1

Google ti addebita il traffico per le porte bloccate? Yeesh.

— Ceejayoz,

1

@ TomTom Secondo cloud.google.com/compute/pricing#network il traffico in ingresso è gratuito. Finché la porta è chiusa, non dovrebbe esserci alcun egresso da caricare.

— Ceejayoz,

2

@ josh123a123 sei riuscito a ridurre quei costi? Sto avendo lo stesso problema

— dietbacon,

7

I firewall hanno due scelte principali quando si ricevono tentativi di connessione indesiderati.

RIFIUTA - invia una risposta dicendo che la porta / servizio / etc è chiusa o
non disponibile
DROP: non rispondere e rilascia i pacchetti

Le parole REJECT / DROP non sono standard o utilizzate in tutti i firewall, ma la differenza tra i concetti alla base delle due azioni possibili sarà presente. Vuoi fare l'equivalente di DROP in modo che non ci sia traffico in uscita. Come indicato da altri, il traffico in entrata non comporta alcun costo.

— Brian
fonte

8

Non è previsto alcun addebito per il traffico in entrata di Google Compute Engine. Dai un'occhiata ai prezzi della rete GCE . Se ti è stato addebitato il traffico in ingresso, puoi contattare il team di fatturazione Cloud per chiarire e correggere l'addebito.

Per quanto riguarda le richieste alla porta 11, per quanto questa porta sia bloccata nel firewall della tua rete GCE, le tue istanze VM dovrebbero essere sicure e le richieste non dovrebbero consumare la larghezza di banda.

Sono curioso di sapere come monitorare queste richieste.

— Kamran
fonte

Ho guardato di nuovo il conto e l'addebito è per l'uscita. Stavo respingendo il traffico che era dove la larghezza di banda in uscita veniva divorata.

— josh123a123,

6

Si noti che non esiste alcuna modalità / scelta REJECT per GCE Firewall. La rete verifica la presenza di una regola firewall che consenta una connessione alla destinazione: in tal caso, la invia; in caso contrario, rilascia semplicemente il pacchetto senza informare il mittente. Per ulteriori informazioni puoi consultare la sezione "Chi gestisce cosa" di questo articolo: cloud.google.com/compute/docs/networking#networkingdetails

— Kamran,

2

Ecco i comandi della shell cloud per aggiungere le regole del firewall:

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

Non dimenticare di sostituire <project-name>con il nome del tuo progetto reale.

Deve essere suddiviso tra più regole perché GCP ti limita a 256 intervalli IP per regola firewall. Fonte dell'intervallo IP qui .

— forresthopkinsa
fonte