官方文档地址：http://nginx.org/en/docs/http/ngx_http_access_module.html#deny
Syntax: deny address | CIDR | unix: | all;
Default: —
Context: http, server, location, limit_except
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配置在server上下文
Context: server
server {
server_name test.example.com;
...
deny 1.1.1.1;
deny 2.0.0.0/8;
}
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配置在location上下文
Context: location
location ^~ /test/ {
deny 1.1.1.1;
deny 2.2.2.2;
deny 3.3.3.3;
deny 8.0.0.0/8;
...
}
原文：https://www.cnblogs.com/ExMan/p/11997073.html