

If your site is set up as a virtual host with its own configuration file, be sure to open the configuration associated with your site. To block an IP address in Nginx, SSH into your server and open up your Nginx configuration file with the nano text editor like so: Important While this method is not as user-friendly as blocking IPs with MyKinsta’s IP Deny tool or Cloudflare’s firewall, it may be the only option in certain situations. If your site is self-hosted with the Nginx web server, you can block IP addresses directly in the web server configuration. To block an ASN (a list of IPs controlled by a single network operator), specify a valid ASN that starts with “AS”.To block a country, specify it’s Alpha-2 country code.


In addition to single IP addresses, Cloudflare’s IP access rules also support IP ranges, country names, and ASNs (autonomous system numbers). Subscribe Now Block IP Range, Country, and ASN in Cloudflare Join 20,000+ others who get our weekly newsletter with insider WordPress tips! Want to know how we increased our traffic over 1000%? Depending on what you’re trying to achieve, you may want to use one of these other actions instead of “Block”. In addition to the “Block” action, Cloudflare also supports “Challenge”, “Allow”, and “JavaScript Challenge”. IP access rule in the Cloudflare dashboard. Here, you can make changes to the access rule such as changing the action, adding notes, and deleting the rule. Add an IP access rule.Īfter adding the access rule, it’ll appear in the “IP Access Rules” list. To create a new IP access rule, add an IP address, select the “Block” action, select “This Website” (or “All Websites in Account” if you want the rule to apply across all your Cloudflare domains), and click “Add”. In the Cloudflare dashboard, navigate to Firewall > Tools. If you’re a Cloudflare user, you can use the “IP Access Rules” tool in the Cloudflare dashboard to block IP addresses and IP ranges.
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The “Edit” action lets you update the IP address or range, while the “Delete” action lets you delete the blocked IP address. On this page, you also have access to two actions (Edit and Delete) in the “Actions” column. You should now see the IP addresses added to the block list. Once you’ve added the IP addresses to block, click the “Add IP Addresses” button. Here are a few examples of IP addresses you can block: To generate a valid CIDR range, we recommend using a tool like this one. CIDR ranges are useful for blocking a sequential range of IP addresses (e.g. In the “Add IP Addresses to Deny” modal, you can add IPV4 addresses, IPV6 addresses, and CIDR (Classless Inter-Domain Routing) IP address ranges to the block list. Next, click the “Add IP Addresses” button in the top right corner of the page. To block an IP address in MyKinsta, navigate to Sites > Your Site > IP Deny. If you have questions about a certain IP address, please reach out to our support team. The IP Deny tool is a powerful feature and if used incorrectly could block a legitimate service or individual. If you’re hosted on Kinsta, the IP Deny tool is the recommended method for blocking IP addresses. The IP Deny tool in the MyKinsta dashboard lets you block both individual IP addresses as well as IP address ranges without having to edit web server configuration files. If you see that the IP is causing your server to return an HTTP 502 error or go down completely, it’s worth testing whether blocking the IP address makes things any better. Keep in mind even if the reputation checker does not list the IP as a malicious one, it could simply mean the IP is not yet in their database. If the reputation checker identities the IP address as bot or spammer IP, you can take further action to block the IP. If you’re seeing DDoS-level attacks on your site, our DDoS protection will work to stop malicious traffic from hitting your site.
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ImportantĪll Kinsta plans come with a free Cloudflare integration which includes an enterprise-level firewall with DDoS protection. The easiest way to check whether an IP is malicious is to use a reputation checker like CleanTalk or Spamhaus. by a factor of 5-10x), you may want to investigate further to determine whether the IP is a bot or spammer. If you see an IP address that is making many more requests than other IPs (e.g. See how Kinsta stacks up against the competition.
