nginx Reverse Proxy (Nextcloud ≥ 24)

Voraussetzungen:

Nextcloud Installationsanleitung

Ubuntu ≥ 20.04 oder Debian ≥ 11

nginx ≥ 1.23

Proxy-Frontend (bspw: 192.168.2.41)

/etc/nginx/nginx.conf
user www-data;
worker_processes auto;
pid /var/run/nginx.pid;
events {
  worker_connections 2048;
  multi_accept on; use epoll;
  }
http {
  log_format criegerde escape=json
  '{'
    '"time_local":"$time_local",'
    '"remote_addr":"$remote_addr",'
    '"remote_user":"$remote_user",'
    '"request":"$request",'
    '"status": "$status",'
    '"body_bytes_sent":"$body_bytes_sent",'
    '"request_time":"$request_time",'
    '"http_referrer":"$http_referer",'
    '"http_user_agent":"$http_user_agent"'
  '}';
  server_names_hash_bucket_size 64;
  access_log /var/log/nginx/access.log criegerde;
  error_log /var/log/nginx/error.log warn;
  set_real_ip_from 127.0.0.1;
  set_real_ip_from 192.168.2.41;
  # IP des Proxy-Frontend-Servers
  real_ip_header X-Forwarded-For;
  real_ip_recursive on;
  include /etc/nginx/mime.types;
  default_type application/octet-stream;
  sendfile on;
  send_timeout 3600;
  tcp_nopush on;
  tcp_nodelay on;
  open_file_cache max=500 inactive=10m;
  open_file_cache_errors on;
  keepalive_timeout 65;
  reset_timedout_connection on;
  server_tokens off;
  resolver 192.168.2.1 valid=30s;
  resolver_timeout 5s;
  include /etc/nginx/conf.d/*.conf;
  }
/etc/nginx/conf.d/nextcloud-frontend.conf
upstream php-handler {
  server unix:/run/php/php8.1-fpm.sock;
  }
map $arg_v $asset_immutable {
    "" "";
    default "immutable";
}
  server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name proxy-frontend 192.168.2.41;
    root /var/www;
    location ^~ /.well-known/acme-challenge {
      default_type text/plain;
      root /var/www/letsencrypt;
      }
    location / {
      return 301 https://$host$request_uri;
      }
   }
server {
  listen 443 ssl http2 default_server;
  listen [::]:443 ssl http2 default_server;
  server_name nginxproxy 192.168.2.41;
  ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
  ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
  ssl_trusted_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
  ssl_dhparam /etc/ssl/certs/dhparam.pem;
  ssl_session_timeout 1d;
  ssl_session_cache shared:SSL:50m;
  ssl_session_tickets off;
  ssl_protocols TLSv1.3 TLSv1.2;
  ssl_ciphers 'TLS-CHACHA20-POLY1305-SHA256:TLS-AES-256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384';
  ssl_ecdh_curve X448:secp521r1:secp384r1;
  ssl_prefer_server_ciphers on;
  #ssl_stapling on;
  #ssl_stapling_verify on;
  client_max_body_size 10G;
  client_body_timeout 3600s;
  client_body_buffer_size 512k;
  fastcgi_buffers 64 4K;
  gzip on;
  gzip_vary on;
  gzip_comp_level 4;
  gzip_min_length 256;
  gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
  gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/wasm application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
  add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
  add_header Permissions-Policy "interest-cohort=()";
  add_header Referrer-Policy "no-referrer" always;
  add_header X-Content-Type-Options "nosniff" always;
  add_header X-Download-Options "noopen" always;
  add_header X-Frame-Options "SAMEORIGIN" always;
  add_header X-Permitted-Cross-Domain-Policies "none" always;
  add_header X-Robots-Tag "none" always;
  add_header X-XSS-Protection "1; mode=block" always;
  fastcgi_hide_header X-Powered-By;
  location / {
    proxy_connect_timeout 3600;
    proxy_send_timeout 3600;
    proxy_read_timeout 3600;
    proxy_buffering off;
    proxy_request_buffering off;
    proxy_max_temp_file_size 10240m;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_pass https://192.168.2.40;
    # IP des Proxy-Backend-Servers
    proxy_redirect off;
    }
}

Proxy-Backend (bspw: 192.168.2.40)

/etc/nginx/nginx.conf
user www-data;
worker_processes auto;
pid /var/run/nginx.pid;
events {
  worker_connections 2048;
  multi_accept on; use epoll;
  }
http {
  log_format criegerde escape=json
  '{'
    '"time_local":"$time_local",'
    '"remote_addr":"$remote_addr",'
    '"remote_user":"$remote_user",'
    '"request":"$request",'
    '"status": "$status",'
    '"body_bytes_sent":"$body_bytes_sent",'
    '"request_time":"$request_time",'
    '"http_referrer":"$http_referer",'
    '"http_user_agent":"$http_user_agent"'
  '}';
  server_names_hash_bucket_size 64;
  access_log /var/log/nginx/access.log criegerde;
  error_log /var/log/nginx/error.log warn;
  set_real_ip_from 127.0.0.1;
  set_real_ip_from 192.168.2.41;
  # IP des Proxy-Frontend-Servers
  real_ip_header X-Forwarded-For;
  real_ip_recursive on;
  include /etc/nginx/mime.types;
  default_type application/octet-stream;
  sendfile on;
  send_timeout 3600;
  tcp_nopush on;
  tcp_nodelay on;
  open_file_cache max=500 inactive=10m;
  open_file_cache_errors on;
  keepalive_timeout 65;
  reset_timedout_connection on;
  server_tokens off;
  resolver 192.168.2.1 valid=30s;
  resolver_timeout 5s;
  include /etc/nginx/conf.d/*.conf;
  }
/etc/nginx/conf.d/nextcloud-backend.conf
upstream php-handler {
server unix:/run/php/php8.1-fpm.sock;
}
map $arg_v $asset_immutable {
"" "";
default "immutable";
}
server {
listen 443      ssl http2;
listen [::]:443 ssl http2;
server_name proxy-backend 192.168.2.40;
ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
ssl_trusted_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
ssl_dhparam /etc/ssl/certs/dhparam.pem;
ssl_session_timeout 1d;
ssl_session_cache shared:SSL:50m;
ssl_session_tickets off;
ssl_protocols TLSv1.3 TLSv1.2;
ssl_ciphers 'TLS-CHACHA20-POLY1305-SHA256:TLS-AES-256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384';
ssl_ecdh_curve X448:secp521r1:secp384r1;
ssl_prefer_server_ciphers on;
# ssl_stapling on;
# ssl_stapling_verify on;
client_max_body_size 10G;
client_body_timeout 3600s;
client_body_buffer_size 512k;
fastcgi_buffers 64 4K;
gzip on;
gzip_vary on;
gzip_comp_level 4;
gzip_min_length 256;
gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/wasm application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
# add_header Strict-Transport-Security            "max-age=15768000; includeSubDomains; preload;" always;
# add_header Permissions-Policy                   "interest-cohort=()";
# add_header Referrer-Policy                      "no-referrer"   always;
# add_header X-Content-Type-Options               "nosniff"       always;
# add_header X-Download-Options                   "noopen"        always;
# add_header X-Frame-Options                      "SAMEORIGIN"    always;
# add_header X-Permitted-Cross-Domain-Policies    "none"          always;
# add_header X-Robots-Tag                         "none"          always;
# add_header X-XSS-Protection                     "1; mode=block" always;
fastcgi_hide_header X-Powered-By;
root /var/www/nextcloud;
index index.php index.html /index.php$request_uri;
location = / {
if ( $http_user_agent ~ ^DavClnt ) {
return 302 /remote.php/webdav/$is_args$args;
}
}
location = /robots.txt {
allow all;
log_not_found off;
access_log off;
}
location ^~ /apps/rainloop/app/data {
deny all;
}
location ^~ /.well-known {
location = /.well-known/carddav { return 301 /remote.php/dav/; }
location = /.well-known/caldav  { return 301 /remote.php/dav/; }
location /.well-known/acme-challenge { try_files $uri $uri/ =404; }
location /.well-known/pki-validation { try_files $uri $uri/ =404; }
return 301 /index.php$request_uri;
}
location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)  { return 404; }
location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console)                { return 404; }
location ~ \.php(?:$|/) {
rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+|.+\/richdocumentscode\/proxy) /index.php$request_uri;
fastcgi_split_path_info ^(.+?\.php)(/.*)$;
set $path_info $fastcgi_path_info;
try_files $fastcgi_script_name =404;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PATH_INFO $path_info;
fastcgi_param HTTPS on;
fastcgi_param modHeadersAvailable true;
fastcgi_param front_controller_active true;
fastcgi_pass php-handler;
fastcgi_intercept_errors on;
fastcgi_request_buffering off;
fastcgi_read_timeout 3600;
fastcgi_send_timeout 3600;
fastcgi_connect_timeout 3600;
fastcgi_max_temp_file_size 0;
}
location ~ \.(?:css|js|svg|gif|png|jpg|ico|wasm|tflite|map)$ {
try_files $uri /index.php$request_uri;
add_header Cache-Control "public, max-age=15778463, $asset_immutable";
expires 6M;
access_log off;
location ~ \.wasm$ {
default_type application/wasm;
}
}
location ~ \.woff2?$ {
try_files $uri /index.php$request_uri;
expires 7d;
access_log off;
}
location /remote {
return 301 /remote.php$request_uri;
}
location / {
try_files $uri $uri/ /index.php$request_uri;
}
}

IP-Prüfung

tail -f /var/log/nextcloud/nextcloud.log | jq
tail -f /var/log/nginx/access.log | jq