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将 www 重定向到非 www

tag-icon • tag-icon nginx redirect
将 www 重定向到非 www

我的 nginx 配置如下::

# HTTP - redirect all requests to HTTPS:
server {
        listen 80;
        listen [::]:80 default_server ipv6only=on;
        return 301 https://$host$request_uri;
}

# HTTPS - proxy requests on to local Node.js app:
server {
        listen 443;
        server_name example.com;

        ssl on;
        # Use certificate and key provided by Let's Encrypt:
        ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
        ssl_session_timeout 5m;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers on;
        ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH';

        # Pass requests for / to localhost:3000:
        location / {
                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;
                proxy_pass http://localhost:3000/;
                proxy_ssl_session_reuse off;
                proxy_set_header Host $http_host;
                proxy_cache_bypass $http_upgrade;
                proxy_redirect off;
        }
}

当前具有上述配置：

http://example.com重定向至https://example.com。

当我输入时，http://www.example.com它会重定向到https://www.example.com。

我希望www将请求重定向到non-www 因此，如果有人输入http://www.example.com或，https://www.example.com我希望将其重定向到https://example.com。我该如何实现这一点？

答案1

你需要更换

# HTTP - redirect all requests to HTTPS:
server {
    listen 80;
    listen [::]:80 default_server ipv6only=on;
    return 301 https://$host$request_uri;
}

和：

# HTTP - redirect all requests to HTTPS:
server {
    listen 80;
    listen [::]:80 default_server ipv6only=on;
    return 301 https://example.com$request_uri;
}

这样，nginx 就不会使用Host客户端请求中的标头来确定重定向的主机。

答案2

这是标准的 Nginx 网站设置，用于转发到非 www https 网站

# Main website, https non-www
server {
  server_name example.com;
  listen 443 ssl http2; # http2 is optional
  # locations, ssl configuration, etc
}

# forward https www to non-www
server {
  server_name www.example.com;
  listen 443 ssl;
  return 301 https://example.com$request_uri;
}    

# Forward http to https
server {
    listen       80;
    server_name  example.com www.example.com;
    access_log  /var/log/nginx/access.log main buffer=128k flush=1m if=$log_ua;
    return       301 https://example.com$request_uri;
}

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