How to disable the default site in nginx

When someone else redirects a junk domain name to your server, if no action is taken, the consequences will be unimaginable.

Generally, Chinese data centers require the website owner to close the empty Host header to prevent troubles caused by domain names not filed for record.

Nginx's default virtual host allows users to access your VPS or server through an IP address or through an unspecified domain name (for example, someone points his own domain name to your IP address.

By default, you only need to resolve the domain name to the IP address of the VPs, you can access the VPs where lnmp is installed.

To avoid this problem, modify nginx. conf and change the default virtual host to the following to shield Unbound Domain Name access:

CopyCodeThe Code is as follows: Server {
Listen 80 default;
Return 500;
}

You can also collect the traffic and import it to your website. You only need to perform the following redirect settings:Copy codeThe Code is as follows: Server {
Listen 80 default;
Rewrite ^ (. *) http://jb51.net permanent;
}

Similarly, IP access is prohibited and can be written as follows:Copy codeThe Code is as follows: Server {
Listen 80 default;
SERVER_NAME _;
Return 500;
}