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Add IPv6 in "How to protect a website with Cloudflare without exposing ports to the Internet" #837

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Apr 30, 2024
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Add IPv6 in "How to protect a website with Cloudflare without exposing ports to the Internet" #837

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15 changes: 11 additions & 4 deletions tutorials/cloudflare-website-protect/01.en.md
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Original file line number Diff line number Diff line change
Expand Up @@ -138,8 +138,10 @@ import json

HETZNER_API_TOKEN = "YOUR_HETZNER_API_TOKEN"
HETZNER_FIREWALL_ID = "YOUR_HETZNER_FIREWALL_ID"
def get_cloudflare_ips():
response = requests.get('https://www.cloudflare.com/ips-v4')
def get_cloudflare_ips(version):
url = "https://www.cloudflare.com/ips-v" + version
print("Getting IPs from " + url)
response = requests.get(url)
if response.status_code == 200:
return response.text.strip().split('\n')
else:
Expand Down Expand Up @@ -177,8 +179,13 @@ def whitelist_ips_in_hetzner(ip_ranges):
print("Failed to whitelist IPs in Hetzner Firewall", response.json())

if __name__ == "__main__":
cloudflare_ips = get_cloudflare_ips()
whitelist_ips_in_hetzner(cloudflare_ips)
cloudflare_ips_v4 = get_cloudflare_ips("4")
cloudflare_ips_v6 = get_cloudflare_ips("6")
combined_ips = cloudflare_ips_v4 + cloudflare_ips_v6
print("Whitelisting these IPs:")
for ip in combined_ips:
print(ip)
whitelist_ips_in_hetzner(combined_ips)
```

## Step 5 - Running and automating the script
Expand Down