Cloudflare block all ips except. Sep 24, 2022 · Original question title: "Allow only cloudflare access to my website and block all visits, bots or crawlers to my IP address" I have a question, I use cloudflare DNS on my domain. We Jan 8, 2021 · Hello, its maybe a dumb question because its already answered in the wiki (if its not outdated) how can i block every ip except for cloudflare ips? i know its controlled via access control in server configuration tab but whats the correct setup because i found different explanations im running May 15, 2023 · I have a list of IP addresses in a text file. Granted you could do this with iptables, however if you have sites that are not protected by Cloudflare this will break those sites. 1), and mozilla. My VPS Jul 7, 2021 · How to block ALL countries in a cloudflare, except for Europe, the USA, Canada and the former USSR? It is long and unreliable to list all the countries, I might miss something. I created the rules in the Wan interface as you can see in my screenshot, but theses rules seems uneffectives. ip_address, detects its version, and delegates to in_network(), which iterates all known CIDR ranges and returns True on the first match. 2. I have already script that blocks all non Cloudflare IPs but on some hostings it just doesn't wor. google (8. For example, using an expression such as: (not ip. com (1. htaccess all traffic that is not coming via Cloudflare. 0 5 days ago · The in_range(ip) method parses the supplied IP string using ipaddress. Feb 9, 2025 · I want all incoming connections on port 80 & 443 to blocked on the Wan interface except the ones coming from Cloudflare IPs. 0. You can check this in the Cloudflare Dashboard for your domain, in the DNS tab. However, to prevent fail2ban from inadvertently blocking Cloudflare IPs and causing errors for some visitors, ensure you restore original visitor IP in your origin server logs. Sep 18, 2025 · Blocking Entire Countries with Cloudflare Geoblocking Yes—Cloudflare can block (or challenge) all traffic from a selected country. 122. Jul 18, 2025 · Because all visitor traffic will appear to come from Cloudflare IP addresses, blocking these IPs — even accidentally — will prevent visitor traffic from reaching your application. This project aims to modify your nginx configuration to let you get the real ip address of your visitors for your web applications that behind of Cloudflare's reverse proxy network. src in {192. Dec 12, 2025 · When using authorization proxy endpoints, add an additional layer of security by restricting access to only users connecting from specific source IPs. To provide the client (visitor) IP address for every request to the origin, Cloudflare adds the "CF-Connecting-IP" header. This prevents unauthorized access even if user credentials are compromised. What Is Geoblocking? Geoblocking uses the visitor’s IP geolocation (Cloudflare’s CF-IPCountry) to take an action—such as Block, Challenge (CAPTCHA), or JS Challenge —for traffic coming I set up AWS WAF and I need to allow access for specific IPv4 and IPv6 addresses and block other IP addresses. For example, in my text file, I have 34. 1 192. Bash script can be scheduled to create an automated up-to-date Cloudflare ip list file. Jan 3, 2023 · The script that will block all HTTP requests from anyone except Cloudflare is below. Here’s how to do it safely, with alternatives and automation tips. htaccess file), however, it always results in a 403 forbidden error even when i'm accessing my website through cloudflare proxy: Oct 23, 2024 · When utilizing Cloudflare, it's important to block all connects to a site at the webserver level from IP's that are not within Cloudflare's IP range. xxx. It works by fetching Cloudflare’s IP lists, which are files that contain all the IP ranges Cloudflare will request stuff from. I would like to block them all from accessing my website, via cloudflare's firewall and IP blocking. My goal in this is to make sure no naughty users ever go through my public IP. Jun 16, 2017 · Today I’m going to show you how to quickly whitelist all of Cloudflare’s prefixes so that direct connection to your site is dropped. xx Feb 16, 2019 · For security reasons I want to restrict in . Feb 6, 2026 · Cloudflare supports use of fail2ban to block IPs on your server. Feb 18, 2024 · I want to block all IPs except Cloudflare IP ranges. DNS-over-HTTPS (DoH): Block connections to known DoH providers such as dns. cloudflare-dns. Add a Firewall Rule that will block all the traffic for your demo site unless it is coming from a list of allowed IP addresses. In addition, allowing Cloudflare IPs might be needed to avoid rate limiting or blocking these requests at your origin server. 1. 8), cloudflare-dns. This is my code (in my . 8. com DNS-over-TLS (DoT): Block outbound TCP port 853 to all IPs except CleanBrowsing VPN and proxy services: Block known VPN endpoints and proxy services that could tunnel DNS queries Nov 23, 2020 · This should be straightforward to achieve: Ensure that the DNS record for your demo site is proxied by Cloudflare. ikp gxg ciz laz llv qlm vwq cci pzt euv lej xls nxq kgt xhs