Nginx 两个带有子域名的虚拟主机始终指向 default_server

Question

我有以下设置：

• 具有两个虚拟主机的 Nginx
• 两个子域名：sub1.domain.com 和 sub2.domain.com

sub1.domain.com运行正常。如果我输入浏览器，则返回 403。我已将两个域的配置目录设置为归( )sub2.domain.com所有。www-datachown -R www-data:www-data /var/www/

查看错误日志可发现为/var/log/nginx/sub2.domain.com/error.log空，而/var/log/nginx/sub1.domain.com/error.log包含

2018/03/09 11:29:00 [error] 19024#0: *13009 directory index of "/var/www/sub1.domain.com" is forbidden, client: ip, server: sub1.domain.com, request: "GET / HTTP/1.1", host: "my-host"

sub1.domain.com有谁知道为什么即使我已经sub2.domain.com在浏览器中输入，服务器仍然包含它？！

我认为问题可能是，似乎sub2.domain.com总是执行的配置sub1.domain.com（即default_server）。根据 nginx 文档：

如果它的值与任何服务器名称都不匹配，或者请求根本不包含此标头字段，那么 nginx 将会把请求路由到此端口的默认服务器。

sub1.domain.com 的 Nginx 配置

server {
        listen 80 default_server;
        listen [::]:80 default_server ipv6only=on;

        root /var/www/sub1.domain.com;
        index index.php index.html index.htm;

        server_name sub1.domain.com;

        access_log      /var/log/nginx/sub1.domain.com/access.log;
        error_log       /var/log/nginx/sub1.domain.com/error.log;

        location / {
                try_files $uri $uri/ =404;
        }

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        location ~ /\.ht {
                deny all;
        }

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        location ~ \.php$ {
                try_files $uri =404;
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_pass unix:/var/run/php5-fpm.sock;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                fastcgi_param AUTH_SECRET "my-secret";
                include fastcgi_params;
        }

}

sub2.domain.com 的 Nginx 配置

upstream backend{
        server 127.0.0.1:3000;
}

server {
        listen 80;
        listen [::]:80;

        access_log      /var/log/nginx/sub2.domain.com/access.log;
        error_log       /var/log/nginx/sub2.domain.com/error.log;

        root    /var/www/sub2.domain.com;

        server_name sub2.domain.com;

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        location ~ /\.ht {
                deny all;
        }

        # route /api requests to backend
        location /api/v1 {
                proxy_pass              http://backend;
                proxy_http_version      1.1;
                proxy_redirect          off;
                proxy_set_header Upgrade        $http_upgrade;
                proxy_set_header Connection     "upgrade";
                proxy_set_header Host           $http_host;
                proxy_set_header X-Scheme       $scheme;
                proxy_set_header X-Real-IP      $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-NginX-Proxy  true;
        }

        location / {
                try_files $uri $uri/ /index.html =404;
        }
}

我已经按照这里的教程https://www.digitalocean.com/community/tutorials/how-to-set-up-nginx-server-blocks-virtual-hosts-on-ubuntu-14-04-lts并设置符号链接。因此/etc/nginx/sites-available包含配置并/etc/nginx/sites-enabled包含这些配置上的符号链接。

还要注意，它sub1.domain.com提供 php 后端，而sub2.domain.com应该提供一些静态内容（单页应用程序）并将 api 请求定向到 Node.js 后端。

编辑：

nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

我的nginx.conf文件包含include /etc/nginx/sites-enabled/*;。因此，我上面发布的配置应该包括在内。nginx -t如果其中一个配置有错误，则至少会抛出错误。

编辑 2：tl;dr（评论摘要）：DNS 配置错误。A为两个子域设置正确的记录解决了该问题。nginx 配置按预期运行。