Stuck with CloudFlare blocking IPs in Wordfence? We can help you.

As part of our Server Management Services, we assist our customers with several CloudFlare queries.

Today, let us see how our Support techs resolve this error.

How to resolve CloudFlare blocking IPs in Wordfence?

The Wordfence WordPress plugin protects the website from hackers, malwares & brute force attacks.

It acts a firewall between website and the visitor.

However, many times the plugin might block Content Delivery Network (CDN) IPs in some situations & depending on the rules set.

If you are using Cloudflare as CDN and Wordfence plugin then it is important to whitelist Cloudflare IPs to make sure Wordfence doesn’t block them.

Today, let us see the steps followed by our Support Techs to Whitelist Cloudflare IPs.

Step 1 :

Firstly, open the below web URLs where you will get the list of Cloudflare’s IPv4 and IPv6 IPs.

https://www.cloudflare.com/ips-v6
https://www.cloudflare.com/ips-v4

Step 2 :

Then, in Wordfence go to “Firewall Options”. Once the page is loaded, go to the “Advanced Firewall Options” option.

In that, Copy paste the list of IPs from the URLs provided in Step 1 under “Whitelisted IP addresses that bypass all rules”.

Step 3 :

Make sure all the IPs are paste on separate lines.

Save the changes in the Wordfence and flush all the caches if any WordPress cache plugin is in use.

Delete the permanently blocked Cloudflare IPs from Wordfence.

Step 4 :

Finally, login into the Cloudflare account and purge all cache of the website.