server {
listen 80;
server_name www.tuohang.net tuohang.net;
if ($http_host = www.tuohang.net) {
rewrite (.*) http://tuohang.net$1;
}
...
}
实际标准的写法应该是
server {
listen 80;
server_name www.tuohang.net;
return 301 http://tuohang.net$request_uri;
}
server {
listen 80;
server_name tuohang.net;
...
}