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Plesk + Python Flask - 在第二个网站上配置代理不起作用

[英]Plesk + Python Flask - Configuring proxy on second website does not work

I have an issue when I run two python flask websites.我在运行两个 python flask 网站时遇到问题。 The port forwarding does not work for the second website.端口转发不适用于第二个网站。

My starting points are two html hello-world websites accessible via domain names.我的出发点是通过域名访问的两个 html hello-world 网站。 I removed the HTML index files and started python flask我删除了 HTML 索引文件并启动了 python flask

waitress-serve --port 8080 --call "mysite_1:myflaskentrypoint"

mysite_1.com:8080 -> accessible (Ok for now) mysite_1.com:8080 -> 可访问(暂时可以)

I entered the following config in Plesk -> Home -> Domains -> mysite_1 -> Appache & nginx Settings -> Additional nginx directives.我在 Plesk -> Home -> Domains -> mysite_1 -> Appache & nginx Settings -> Additional nginx 指令中输入了以下配置。

location / {
    proxy_set_header Accept-Encoding "";
    proxy_pass http://0.0.0.0:8080;
}

https://mysite_1.com accessible (great) https://mysite_1.com 可访问(很棒)

Now comes the issue with the second website.现在是第二个网站的问题。

waitress-serve --port 9080 --call "mysite_2:myflaskentrypoint"

mysite_2.com:9080 -> accessible (Ok for now) mysite_2.com:9080 -> 可访问(暂时可以)

Plesk -> Home -> Domains -> mysite_2 -> Appache & nginx Settings -> Additional nginx directives. Plesk -> 主页 -> 域 -> mysite_2 -> Appache & nginx 设置 -> 附加 nginx 指令。

location / {
    proxy_set_header Accept-Encoding "";
    proxy_pass http://0.0.0.0:9080;
}

https://mywebsite_2.com accessible -> ERROR 403 Forbidden https://mywebsite_2.com 可访问 -> 错误 403 禁止

Error-Log错误日志

403 GET / HTTP/2.0      Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:85.0) ...    795 nginx 
SSL/TLS access
Error   ...     11691#0: *386 directory index of "/var/www/vhosts/<mysite_2>.de/httpdocs/" 
is forbidden                nginx error

Any hints are welcome欢迎任何提示

----
nginx -T

root@localhost:~# nginx -T
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
# configuration file /etc/nginx/nginx.conf:

#user  nginx;
worker_processes  1;

#error_log  /var/log/nginx/error.log;
#error_log  /var/log/nginx/error.log  notice;
#error_log  /var/log/nginx/error.log  info;

#pid        /var/run/nginx.pid;

include /etc/nginx/modules.conf.d/*.conf;

events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;
    #tcp_nodelay        on;

    #gzip  on;
    #gzip_disable "MSIE [1-6]\.(?!.*SV1)";

    server_tokens off;

    include /etc/nginx/conf.d/*.conf;
}

# override global parameters e.g. worker_rlimit_nofile
include /etc/nginx/*global_params;

# configuration file /etc/nginx/mime.types:

types {
    text/html                                        html htm shtml;
    text/css                                         css;
    text/xml                                         xml;
    image/gif                                        gif;
    image/jpeg                                       jpeg jpg;
    application/javascript                           js;
    application/atom+xml                             atom;
    application/rss+xml                              rss;

    text/mathml                                      mml;
    text/plain                                       txt;
    text/vnd.sun.j2me.app-descriptor                 jad;
    text/vnd.wap.wml                                 wml;
    text/x-component                                 htc;

    image/png                                        png;
    image/svg+xml                                    svg svgz;
    image/tiff                                       tif tiff;
    image/vnd.wap.wbmp                               wbmp;
    image/webp                                       webp;
    image/x-icon                                     ico;
    image/x-jng                                      jng;
    image/x-ms-bmp                                   bmp;

    font/woff                                        woff;
    font/woff2                                       woff2;

    application/java-archive                         jar war ear;
    application/json                                 json;
    application/mac-binhex40                         hqx;
    application/msword                               doc;
    application/pdf                                  pdf;
    application/postscript                           ps eps ai;
    application/rtf                                  rtf;
    application/vnd.apple.mpegurl                    m3u8;
    application/vnd.google-earth.kml+xml             kml;
    application/vnd.google-earth.kmz                 kmz;
    application/vnd.ms-excel                         xls;
    application/vnd.ms-fontobject                    eot;
    application/vnd.ms-powerpoint                    ppt;
    application/vnd.oasis.opendocument.graphics      odg;
    application/vnd.oasis.opendocument.presentation  odp;
    application/vnd.oasis.opendocument.spreadsheet   ods;
    application/vnd.oasis.opendocument.text          odt;
    application/vnd.openxmlformats-officedocument.presentationml.presentation
                                                     pptx;
    application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
                                                     xlsx;
    application/vnd.openxmlformats-officedocument.wordprocessingml.document
                                                     docx;
    application/vnd.wap.wmlc                         wmlc;
    application/x-7z-compressed                      7z;
    application/x-cocoa                              cco;
    application/x-java-archive-diff                  jardiff;
    application/x-java-jnlp-file                     jnlp;
    application/x-makeself                           run;
    application/x-perl                               pl pm;
    application/x-pilot                              prc pdb;
    application/x-rar-compressed                     rar;
    application/x-redhat-package-manager             rpm;
    application/x-sea                                sea;
    application/x-shockwave-flash                    swf;
    application/x-stuffit                            sit;
    application/x-tcl                                tcl tk;
    application/x-x509-ca-cert                       der pem crt;
    application/x-xpinstall                          xpi;
    application/xhtml+xml                            xhtml;
    application/xspf+xml                             xspf;
    application/zip                                  zip;

    application/octet-stream                         bin exe dll;
    application/octet-stream                         deb;
    application/octet-stream                         dmg;
    application/octet-stream                         iso img;
    application/octet-stream                         msi msp msm;

    audio/midi                                       mid midi kar;
    audio/mpeg                                       mp3;
    audio/ogg                                        ogg;
    audio/x-m4a                                      m4a;
    audio/x-realaudio                                ra;

    video/3gpp                                       3gpp 3gp;
    video/mp2t                                       ts;
    video/mp4                                        mp4;
    video/mpeg                                       mpeg mpg;
    video/quicktime                                  mov;
    video/webm                                       webm;
    video/x-flv                                      flv;
    video/x-m4v                                      m4v;
    video/x-mng                                      mng;
    video/x-ms-asf                                   asx asf;
    video/x-ms-wmv                                   wmv;
    video/x-msvideo                                  avi;
}

# configuration file /etc/nginx/conf.d/ssl.conf:
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
ssl_prefer_server_ciphers on;

# configuration file /etc/nginx/conf.d/zz010_psa_nginx.conf:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.
include /etc/nginx/plesk.conf.d/server.conf;
include /etc/nginx/plesk.conf.d/webmails/*.conf;
include /etc/nginx/plesk.conf.d/vhosts/*.conf;
include /etc/nginx/plesk.conf.d/forwarding/*.conf;
include /etc/nginx/plesk.conf.d/wildcards/*.conf;
# configuration file /etc/nginx/plesk.conf.d/server.conf:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.

include "/etc/nginx/plesk.conf.d/ip_default/*.conf";

server {
    listen <vps_ip>:443 ssl;

    ssl_certificate             /opt/psa/var/certificates/scfK6DJ8w;
    ssl_certificate_key         /opt/psa/var/certificates/scfK6DJ8w;

    location ^~ /plesk-site-preview/ {
        proxy_pass http://127.0.0.1:8880;
        proxy_set_header Host               plesk-site-preview.local;
        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_cookie_domain plesk-site-preview.local $host;
        access_log off;
    }

    location / {
        proxy_pass https://<vps_ip>:7081;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

server {
    listen <vps_ip>:80;

    location ^~ /plesk-site-preview/ {
        proxy_pass http://127.0.0.1:8880;
        proxy_set_header Host               plesk-site-preview.local;
        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_cookie_domain plesk-site-preview.local $host;
        access_log off;
    }

    location / {
        proxy_pass http://<vps_ip>:7080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}
# configuration file /etc/nginx/plesk.conf.d/ip_default/<website_1>.conf:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.
server {
    listen <vps_ip>:443 ssl;

    ssl_certificate             /opt/psa/var/certificates/scf9FAuU9;
    ssl_certificate_key         /opt/psa/var/certificates/scf9FAuU9;

    server_name www.<website_1>;

    location / {
        return 301 https://<website_1>$request_uri;
    }

}

server {
    listen <vps_ip>:443 default_server ssl http2;

    server_name <website_1>;
    server_name ipv4.<website_1>;

    ssl_certificate             /opt/psa/var/certificates/scf9FAuU9;
    ssl_certificate_key         /opt/psa/var/certificates/scf9FAuU9;

    error_page 400 "/error_docs/bad_request.html";
    error_page 401 "/error_docs/unauthorized.html";
    error_page 403 "/error_docs/forbidden.html";
    error_page 404 "/error_docs/not_found.html";
    error_page 500 "/error_docs/internal_server_error.html";
    error_page 405 "/error_docs/method_not_allowed.html";
    error_page 406 "/error_docs/not_acceptable.html";
    error_page 407 "/error_docs/proxy_authentication_required.html";
    error_page 412 "/error_docs/precondition_failed.html";
    error_page 414 "/error_docs/request_uri_too_long.html";
    error_page 415 "/error_docs/unsupported_media_type.html";
    error_page 501 "/error_docs/not_implemented.html";
    error_page 502 "/error_docs/bad_gateway.html";
    error_page 503 "/error_docs/maintenance.html";

    location ^~ /error_docs {
        root "/var/www/vhosts/<website_1>";
    }

    client_max_body_size 128m;

    root "/var/www/vhosts/<website_1>/httpdocs";
    access_log "/var/www/vhosts/system/<website_1>/logs/proxy_access_ssl_log";
    error_log "/var/www/vhosts/system/<website_1>/logs/proxy_error_log";

    location ^~ /plesk-site-preview/ {
        proxy_pass http://127.0.0.1:8880;
        proxy_set_header Host               plesk-site-preview.local;
        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_cookie_domain plesk-site-preview.local $host;
        access_log off;
    }

    #extension letsencrypt begin
    location ^~ /.well-known/acme-challenge/ {
        root /var/www/vhosts/default/htdocs;

        types { }
        default_type text/plain;

        satisfy any;
        auth_basic off;
        allow all;

        location ~ ^/\.well-known/acme-challenge.*/\. {
            deny all;
        }
    }
    #extension letsencrypt end

    #extension sslit begin

    #extension sslit end

    location ~ /\.ht {
        deny all;
    }

    location ~ ^/(plesk-stat|awstats-icon|webstat|webstat-ssl|ftpstat|anon_ftpstat) {
        auth_basic "Domain statistics";
        auth_basic_user_file "/var/www/vhosts/system/<website_1>/pd/d..httpdocs@plesk-stat";
        autoindex on;

        location ~ ^/plesk-stat(.*) {
            alias /var/www/vhosts/system/<website_1>/statistics/$1;
        }

        location ~ ^/awstats-icon(.*) {
            alias /usr/share/awstats/icon/$1;
        }

        location ~ ^/(.*) {
            alias /var/www/vhosts/system/<website_1>/statistics/$1;
        }
    }

    add_header X-Powered-By PleskLin;

    include "/var/www/vhosts/system/<website_1>/conf/vhost_nginx.conf";
}
server {
    listen <vps_ip>:80;

    server_name www.<website_1>;

    location / {
        return 301 https://<website_1>$request_uri;
    }

}

server {
    listen <vps_ip>:80 default_server;

    server_name <website_1>;
    server_name ipv4.<website_1>;

    error_page 400 "/error_docs/bad_request.html";
    error_page 401 "/error_docs/unauthorized.html";
    error_page 403 "/error_docs/forbidden.html";
    error_page 404 "/error_docs/not_found.html";
    error_page 500 "/error_docs/internal_server_error.html";
    error_page 405 "/error_docs/method_not_allowed.html";
    error_page 406 "/error_docs/not_acceptable.html";
    error_page 407 "/error_docs/proxy_authentication_required.html";
    error_page 412 "/error_docs/precondition_failed.html";
    error_page 414 "/error_docs/request_uri_too_long.html";
    error_page 415 "/error_docs/unsupported_media_type.html";
    error_page 501 "/error_docs/not_implemented.html";
    error_page 502 "/error_docs/bad_gateway.html";
    error_page 503 "/error_docs/maintenance.html";

    location ^~ /error_docs {
        root "/var/www/vhosts/<website_1>";
    }

    client_max_body_size 128m;

    location / {
        return 301 https://$host$request_uri;
    }
}
# configuration file /var/www/vhosts/system/<website_1>/conf/vhost_nginx.conf:
location / {
    proxy_set_header Accept-Encoding "";
    proxy_pass http://0.0.0.0:8080;
}
# configuration file /etc/nginx/plesk.conf.d/webmails/<website_2>_webmail.conf:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.

server {
    listen <vps_ip>:443 ssl;
    server_name "webmail.<website_2>";

    ssl_certificate             /opt/psa/var/certificates/scfETmI6V;
    ssl_certificate_key         /opt/psa/var/certificates/scfETmI6V;

    client_max_body_size 128m;

    #extension sslit begin

    #extension sslit end

    location / {
        proxy_pass https://<vps_ip>:7081;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

server {
    listen <vps_ip>:80;
    server_name "webmail.<website_2>";

    client_max_body_size 128m;

    #extension sslit begin

    #extension sslit end

    location / {
        proxy_pass http://<vps_ip>:7080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}
# configuration file /etc/nginx/plesk.conf.d/webmails/<website_1>_webmail.conf:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.

# Webmail is not enabled on the domain

# Webmail is not enabled on the domain
# configuration file /etc/nginx/plesk.conf.d/vhosts/<website_2>.conf:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.
server {
    listen <vps_ip>:443 ssl;

    ssl_certificate             /opt/psa/var/certificates/scfETmI6V;
    ssl_certificate_key         /opt/psa/var/certificates/scfETmI6V;

    server_name www.<website_2>;

    location / {
        return 301 https://<website_2>$request_uri;
    }

}

server {
    listen <vps_ip>:443 ssl http2;

    server_name <website_2>;
    server_name ipv4.<website_2>;

    ssl_certificate             /opt/psa/var/certificates/scfETmI6V;
    ssl_certificate_key         /opt/psa/var/certificates/scfETmI6V;

    error_page 400 "/error_docs/bad_request.html";
    error_page 401 "/error_docs/unauthorized.html";
    error_page 403 "/error_docs/forbidden.html";
    error_page 404 "/error_docs/not_found.html";
    error_page 500 "/error_docs/internal_server_error.html";
    error_page 405 "/error_docs/method_not_allowed.html";
    error_page 406 "/error_docs/not_acceptable.html";
    error_page 407 "/error_docs/proxy_authentication_required.html";
    error_page 412 "/error_docs/precondition_failed.html";
    error_page 414 "/error_docs/request_uri_too_long.html";
    error_page 415 "/error_docs/unsupported_media_type.html";
    error_page 501 "/error_docs/not_implemented.html";
    error_page 502 "/error_docs/bad_gateway.html";
    error_page 503 "/error_docs/maintenance.html";

    location ^~ /error_docs {
        root "/var/www/vhosts/<website_2>";
    }

    client_max_body_size 128m;

    root "/var/www/vhosts/<website_2>/httpdocs";
    access_log "/var/www/vhosts/system/<website_2>/logs/proxy_access_ssl_log";
    error_log "/var/www/vhosts/system/<website_2>/logs/proxy_error_log";

    #extension letsencrypt begin
    location ^~ /.well-known/acme-challenge/ {
        root /var/www/vhosts/default/htdocs;

        types { }
        default_type text/plain;

        satisfy any;
        auth_basic off;
        allow all;

        location ~ ^/\.well-known/acme-challenge.*/\. {
            deny all;
        }
    }
    #extension letsencrypt end

    #extension sslit begin

    #extension sslit end

    location ~ /\.ht {
        deny all;
    }

    location ~ ^/(plesk-stat|awstats-icon|webstat|webstat-ssl|ftpstat|anon_ftpstat) {
        auth_basic "Domain statistics";
        auth_basic_user_file "/var/www/vhosts/system/<website_2>/pd/d..httpdocs@plesk-stat";
        autoindex on;

        location ~ ^/plesk-stat(.*) {
            alias /var/www/vhosts/system/<website_2>/statistics/$1;
        }

        location ~ ^/awstats-icon(.*) {
            alias /usr/share/awstats/icon/$1;
        }

        location ~ ^/(.*) {
            alias /var/www/vhosts/system/<website_2>/statistics/$1;
        }
    }

    location ~ ^/~(.+?)(/.*?\.php)(/.*)?$ {
        alias /var/www/vhosts/<website_2>/web_users/$1/$2;
        fastcgi_split_path_info ^((?U).+\.php)(/?.+)$;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_pass "unix:///var/www/vhosts/system/<website_2>/php-fpm.sock";
        include /etc/nginx/fastcgi.conf;

    }

    location ~ \.php(/.*)?$ {
        fastcgi_split_path_info ^((?U).+\.php)(/?.+)$;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_pass "unix:///var/www/vhosts/system/<website_2>/php-fpm.sock";
        include /etc/nginx/fastcgi.conf;

    }

    location ~ /$ {
        index "index.html" "index.cgi" "index.pl" "index.php" "index.xhtml" "index.htm" "index.shtml";
    }

    add_header X-Powered-By PleskLin;

    include "/var/www/vhosts/system/<website_2>/conf/vhost_nginx.conf";
}
server {
    listen <vps_ip>:80;

    server_name www.<website_2>;

    location / {
        return 301 http://<website_2>$request_uri;
    }

}

server {
    listen <vps_ip>:80;

    server_name <website_2>;
    server_name ipv4.<website_2>;

    error_page 400 "/error_docs/bad_request.html";
    error_page 401 "/error_docs/unauthorized.html";
    error_page 403 "/error_docs/forbidden.html";
    error_page 404 "/error_docs/not_found.html";
    error_page 500 "/error_docs/internal_server_error.html";
    error_page 405 "/error_docs/method_not_allowed.html";
    error_page 406 "/error_docs/not_acceptable.html";
    error_page 407 "/error_docs/proxy_authentication_required.html";
    error_page 412 "/error_docs/precondition_failed.html";
    error_page 414 "/error_docs/request_uri_too_long.html";
    error_page 415 "/error_docs/unsupported_media_type.html";
    error_page 501 "/error_docs/not_implemented.html";
    error_page 502 "/error_docs/bad_gateway.html";
    error_page 503 "/error_docs/maintenance.html";

    location ^~ /error_docs {
        root "/var/www/vhosts/<website_2>";
    }

    client_max_body_size 128m;

    root "/var/www/vhosts/<website_2>/httpdocs";
    access_log "/var/www/vhosts/system/<website_2>/logs/proxy_access_log";
    error_log "/var/www/vhosts/system/<website_2>/logs/proxy_error_log";

    #extension letsencrypt begin
    location ^~ /.well-known/acme-challenge/ {
        root /var/www/vhosts/default/htdocs;

        types { }
        default_type text/plain;

        satisfy any;
        auth_basic off;
        allow all;

        location ~ ^/\.well-known/acme-challenge.*/\. {
            deny all;
        }
    }
    #extension letsencrypt end

    #extension sslit begin

    #extension sslit end

    location ~ /\.ht {
        deny all;
    }

    location ~ ^/(plesk-stat|awstats-icon|webstat|webstat-ssl|ftpstat|anon_ftpstat) {
        return 301 https://$host$request_uri;
    }

    location ~ ^/~(.+?)(/.*?\.php)(/.*)?$ {
        alias /var/www/vhosts/<website_2>/web_users/$1/$2;
        fastcgi_split_path_info ^((?U).+\.php)(/?.+)$;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_pass "unix:///var/www/vhosts/system/<website_2>/php-fpm.sock";
        include /etc/nginx/fastcgi.conf;

    }

    location ~ \.php(/.*)?$ {
        fastcgi_split_path_info ^((?U).+\.php)(/?.+)$;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_pass "unix:///var/www/vhosts/system/<website_2>/php-fpm.sock";
        include /etc/nginx/fastcgi.conf;

    }

    location ~ /$ {
        index "index.html" "index.cgi" "index.pl" "index.php" "index.xhtml" "index.htm" "index.shtml";
    }

    add_header X-Powered-By PleskLin;

    include "/var/www/vhosts/system/<website_2>/conf/vhost_nginx.conf";
}
# configuration file /etc/nginx/fastcgi.conf:

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  REQUEST_SCHEME     $scheme;
fastcgi_param  HTTPS              $https if_not_empty;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;

fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect
fastcgi_param  REDIRECT_STATUS    200;

# https://httpoxy.org/
fastcgi_param  HTTP_PROXY         "";

# configuration file /var/www/vhosts/system/<website_2>/conf/vhost_nginx.conf:
location / { return 200 "OK \n"; }
root@localhost:~# 

curl -v <website_2.de> curl -v <website_2.de>

curl -v https://<website_2.de>
*   Trying <plesk IP>:443...
curl -v <website_2.de>

* TCP_NODELAY set
* Connected to <website_2.de> (<plesk IP>) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server accepted to use h2
* Server certificate:
*  subject: CN=<website_2.de>
*  start date: Feb 22 18:06:21 2021 GMT
*  expire date: May 23 18:06:21 2021 GMT
*  subjectAltName: host "<website_2.de>" matched cert's "<website_2.de>"
*  issuer: C=US; O=Let's Encrypt; CN=R3
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x565382a48e10)
> GET / HTTP/2
> Host: <website_2.de>
> user-agent: curl/7.68.0
> accept: */*
> 
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* old SSL session ID is stale, removing
* Connection state changed (MAX_CONCURRENT_STREAMS == 128)!
< HTTP/2 403 
< server: nginx
< date: Fri, 26 Feb 2021 08:37:59 GMT
< content-type: text/html
< content-length: 795
< etag: "6033f929-31b"
< 
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta http-equiv="x-ua-compatible" content="ie=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>403 Forbidden</title>
  <link rel="stylesheet" href="/error_docs/styles.css">
</head>
<body>
<div class="page">
  <div class="main">
    <h1>Server Error</h1>
    <div class="error-code">403</div>
    <h2>Forbidden</h2>
    <p class="lead">You do not have permission to access this document.</p>
    <hr/>
    <p>That's what you can do</p>
    <div class="help-actions">
      <a href="javascript:location.reload();">Reload Page</a>
      <a href="javascript:history.back();">Back to Previous Page</a>
      <a href="/">Home Page</a>
    </div>
  </div>
</div>
</body>
* Connection #0 to host <website_2.de> left intact

I found a configuration that works for me.我找到了适合我的配置。

First I checked the box in nginx settings "Proxy mode" I have set the proxy, not in Nginx, but in Additional Apache directives -> "Additional directives for HTTP/HTTPS"首先,我选中了 nginx 设置“代理模式”中的框,我设置了代理,不是在 Nginx 中,而是在附加的 Apache 指令中设置了代理 - >“HTTP/HTTPS 指令的附加指令”

<Proxy *>
    Order deny, allow
    Allow from all
</Proxy>
ProxyPreserveHost On
<Location "/">
    ProxyPass "http://127.0.0.1:9080/"
    ProxyPassReverse "http://127.0.0.1:9080/"
</Location>

This worked.这行得通。 I can access both flask websites via domain name.我可以通过域名访问两个 flask 网站。

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