如何在同一台服务器上处理从 nginx 到 apache 的多个主机名句柄？

Question

我计划在同一台服务器上管理多个网站，我目前正在处理来自 nginx 的 http 请求，然后将其处理到 apache。

这是我目前第一个网站的配置：

  # Force HTTP requests to HTTPS
server {
listen 80;
server_name myfirstwebsite.net;
return 301 https://myfirstwebsite.ne$request_uri;
}

  server {
  listen  443 ssl;
  root  /var/opt/httpd/ifdocs;

server_name myfirstwebsite.ne ;

  # add Strict-Transport-Security to prevent man in the middle attacks
add_header Strict-Transport-Security "max-age=31536000" always;
ssl on;
ssl_certificate     /etc/pki/tls/certs/cert.pem;
ssl_certificate_key /etc/pki/tls/certs/cert.key;
ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers         HIGH:!aNULL:!MD5;

access_log /var/log/nginx/iflogs/http/access.log;
error_log  /var/log/nginx/iflogs/http/error.log;


###include rewrites/default.conf;
index  index.php index.html index.htm;

# Make nginx serve static files instead of Apache
# NOTE this will cause issues with bandwidth accounting as files wont be logged
location ~* \.(gif|jpg|jpeg|png|wmv|avi|mpg|mpeg|mp4|htm|html|js|css)$ {
    expires max;
}

location / {
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header Host $host;
       proxy_pass https://127.0.0.1:4433;
}

# proxy the PHP scripts to Apache listening on <serverIP>:8080
location ~ \.php$ {
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header Host $host;
      proxy_pass https://127.0.0.1:4433;
}

location ~ /\. {
    deny  all;
}

error_page  500 502 503 504  /50x.html;
location = /50x.html {
    root  /usr/share/nginx/html;
}
}

现在，我的问题是，对于第二个、第三个网站等等，我正在考虑修改以下行：

proxy_pass https://127.0.0.1:4433;

对于

proxy_pass https://secondwebsite.net:4433;

但我不想做的是离开互联网并查找该 dns，然后返回到同一台服务器，但在同一台服务器中提供服务（这就是为什么我 localhost:4433 在第一个网站），所以我没有遇到延迟问题。有解决办法吗？

此外，我想知道如果我使用同一端口（在本例中为 4433）为多个服务器提供服务是否会出现问题，或者我是否必须为每个网站使用不同的端口。

提前谢谢你。

Answer 1

多个服务器配置

实现此目的的一种方法是拥有多个服务器块，最好是在不同的 conf 文件上。这样的事情会在新文件中为您的第二台服务器做（例如 /etc/nginx/sites-available/mysecondwebsite）：

 # Force HTTP requests to HTTPS
server {
listen 80;
server_name mysecondwebsite.net;
access_log off; # No need for logging on this
error_log off;
return 301 https://mysecondwebsite.net$request_uri;
}

  server {
  listen  443 ssl;
  root  /var/opt/httpd/ifdocs;

server_name mysecondwebsite.net ;

  # add Strict-Transport-Security to prevent man in the middle attacks
add_header Strict-Transport-Security "max-age=31536000" always;
ssl on;
ssl_certificate     /etc/pki/tls/certs/cert.pem;
ssl_certificate_key /etc/pki/tls/certs/cert.key;
ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers         HIGH:!aNULL:!MD5;

access_log /var/log/nginx/iflogs/http/access.log;
error_log  /var/log/nginx/iflogs/http/error.log;


###include rewrites/default.conf;
index  index.php index.html index.htm;

# Make nginx serve static files instead of Apache
# NOTE this will cause issues with bandwidth accounting as files wont be logged
location ~* \.(gif|jpg|jpeg|png|wmv|avi|mpg|mpeg|mp4|htm|html|js|css)$ {
    expires max;
}

location / {
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header Host $host;
       proxy_pass https://127.0.0.1:4434;
}

# proxy the PHP scripts to Apache listening on <serverIP>:8080
location ~ \.php$ {
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header Host $host;
      proxy_pass https://127.0.0.1:4434;
}

location ~ /\. {
    deny  all;
}

error_page  500 502 503 504  /50x.html;
location = /50x.html {
    root  /usr/share/nginx/html;
}
}

然后您将使用 ln -s /etc/nginx/sites-available/mysecondwebsite /etc/nginx/sites-available/ 创建一个符号链接并重新启动 nginx。要回答有关端口的问题，您只能让一个 TCP 应用程序侦听任何一个端口。 This post 提供了更多相关细节。

您还可以像这样在服务器块中定义上游：

 upstream mysecondwebsite {
     server 127.0.0.1:4434; # Or whatever port you use
 }

然后像这样使用代理传递引用此上游：

proxy_pass http://mysecondwebsite;

这样，如果您更改端口，您只需在服务器配置文件中的一处进行更改。此外，这也是您使用多个 Apache 服务器扩展应用程序并实现负载平衡的方式。

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