nginx blocking blank user agent .
sometime apps’ backgroud request always visit a url, and these requests’ user agent is black, so I want block them.
location / {
if ($http_user_agent = ""){
access_log off;
return 403;
}
default_type text/html;
content_by_lua ‘
ngx.say("<h1>你好 baby </h1>")
‘;
}lzz@ubuntu:conf$ curl ‘http://localhost‘
<h1>你好 baby </h1>lzz@ubuntu:conf$ curl -H "User-Agent:" ‘http://localhost‘
<html>
<head><title>403 Forbidden</title></head>
<body bgcolor="white">
<center><h1>403 Forbidden</h1></center>
<hr><center>ngx_openresty/1.2.6.1</center>
</body>
</html>声明：
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原文：http://blog.csdn.net/orangleliu/article/details/44861585