Connection error in Plesk 360 for server behind Cloudflare

 

Wondering how to resolve connection error in Plesk 360 for server behind Cloudflare? We can help you.

At Bobcares, we offer solutions for every query, big and small, as a part of our Server Management Service.

Let’s take a look at how our Support Team help a customer  deal with this Plesk error.

 

How to resolve connection error in Plesk 360 for server behind Cloudflare?

Usually, Connection fails due to Plesk service on port 8443 does not support restoring original visitor IPs for Cloudflare since sw-cp-server is compile without http_realip_module.

The following error appears under Server state in Plesk 360:

Connection error in Plesk 360 for server behind Cloudflare

The following message appears under Plesk 360 > Server > server_hostname:

The connection to the server server.example.com cannot establish correctly. The server is configured incorrectly or you have entered an incorrect address.

Today, let us see the steps followed by our Support techs to resolve it.

If it is possible, disable proxy on the Cloudflare side until the issue gets resolve.

  1. Firstly, create a domain for Plesk UI specifically (e.g. server.example.com)
  2. Then, under Tools & Settings > Customize Plesk URL, select The specify domain or subdomain that resolves to the server IP address but is not use for hosting and put server.example.com
  3. Next, enable restoring original visitor IP.
  4. Make sure that Plesk URL can access via https://server.example.com, and it is secured with a valid certificate (Cloudflare should do that automatically)
  5. Finally, try to re-connect the server to Plesk 360 by using https://server.example.com (without port 8443)

[Need a solution to another query? We are just a click away.]

 

Conclusion

Today, we saw steps followed by our Support Engineers to resolve connection error in Plesk 360.

PREVENT YOUR SERVER FROM CRASHING!

Never again lose customers to poor server speed! Let us help you.

Our server experts will monitor & maintain your server 24/7 so that it remains lightning fast and secure.

GET STARTED