cat /etc/nginx/conf.d/return.conf
server {listen 80;server_name www.return.com;root /data/return;location / {index index.html;}default_type text/html;charset utf-8;if ($http_user_agent ~* "chrome|MSIE|firefox") {return 301 http://dco.zqfstack.cn;}
}curl -A "chrome" www.return.com
<html>
<head><title>301 Moved Permanently</title></head>
<body>
<center><h1>301 Moved Permanently</h1></center>
<hr><center>nginx/1.27.0</center>
</body>
</html>curl www.return.com
return_test