preventing requests with unknown host names (8 replies)

I want to disable processing of all requests that do not have a valid
hostname

I'm tried to follow the advice on:
http://nginx.org/en/docs/http/request_processing.html#how_to_prevent_undefined_server_names

so I have (inside http directive):

server {

listen 80;
server_name "";
return 444;
}

I also tried

server {

listen 80;
server_name _;
return 444;
}

but I am still able to access the website by its IP address?

what am I doing wrong?

--

Igal Sapir
Lucee Core Developer
Lucee.org http://lucee.org/

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