Conflicting server name "" on, ignored NGINX error log Ubuntu 20.04

Hello, when I check the nginx error log I notice that alert and I don’t know why, I cannot access my website from http or https, my DNS in cloudflare are:

A - - MY IP
CNAME - www -

The 4 last lines of the log:

2020/10/12 07:03:22 [notice] 15705#15705: signal process started
2020/10/12 07:18:50 [warn] 15818#15818: conflicting server name "" on, ignored
2020/10/12 07:18:50 [warn] 15818#15818: conflicting server name "" on, ignored
2020/10/12 07:54:16 [notice] 16047#16047: signal process started

Any help please?

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Accepted Answer

Hi there @hcmendez,

It most likely means that you have your domain specified in multiple Nginx server blocks.

What you could do is use the grep command and search for the domain inside your /etc/nginx/sites-enabled folder:

  1. grep -r /etc/nginx/sites-enabled

If you see the domain name in more than server blocks for port 80, you would need to remove the duplicate one and then restart Nginx.

Hope that this helps! Regards, Bobby

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I also had this problem. In setting up the information to password-protect a directory, I was following a couple different tutorials and really messed things up. I eventually got it working, but still had multiple server blocks and got the warnings. So, my advice to other users is to understand how nginx configuration files work :)

I had a server block in /etc/nginx/sites-available/ and also one in /etc/nginx/nginx.conf – In addition, I’d also these lines in nginx.conf:

Virtual Host Configs

include /etc/nginx/conf.d/.conf; include /etc/nginx/sites-enabled/;

Last, I also had my .htpasswd file located in the directory /home/myusername/nginx/

I literally relearn all this every few years, then forget it all and make the same mistakes again.

In my case I had created another entry in /etc/nginx/conf.d/virtual.conf, from a previous guide.

Thanks for the answers, I deployed another droplet with Open LiteSpeed. Everything is good now, thanks.