Init repo

default_configuration/nginx/snippets/acme-challenge.conf

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+location ^~ /.well-known/acme-challenge/ {
+         rewrite ^/.well-known/acme-challenge/(.*) /$1 break;
+         default_type "text/plain";
+         root /acme;
+}

default_configuration/nginx/snippets/secure-headers.conf

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+# Ajout HSTS header
+# Appliquer une durée de plus d'une semaine pour obtenir A+ sur ssl-labs
+add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always; # duration=365days
+# add_header Strict-Transport-Security "max-age=0; includeSubDomains"; # Désactive HSTS
+
+
+# Ajoute gzip mais n'enleve pas les ETag headers
+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/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;
+
+
+
+
+
+# Pagespeed is not supported by Nextcloud, so if your server is built
+# with the ngx_pagespeed module, uncomment this line to disable it.
+#    pagespeed off;
+
+add_header Referrer-Policy                      "no-referrer"   always;
+add_header X-Content-Type-Options               "nosniff";
+add_header X-Download-Options                   "noopen"        always;
+add_header X-Frame-Options                      "SAMEORIGIN";
+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;
+add_header Content-Security-Policy  "upgrade-insecure-requests";
+add_header Content-Security-Policy-Report-Only " default-src https: data: 'unsafe-inline' 'unsafe-eval'";
+
+
+# Remove X-Powered-By, which is an information leak
+fastcgi_hide_header X-Powered-By;

default_configuration/nginx/snippets/secure-ssl.conf

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+ssl_dhparam /etc/nginx/dhparam.pem;
+ssl_protocols TLSv1.2 TLSv1.3; # Score=100
+
+# ssl ciphers list
+ssl_ciphers 'kEECDH+ECDSA+AES128 kEECDH+ECDSA+AES256 kEECDH+AES128 kEECDH+AES256 kEDH+AES128 kEDH+AES256 +SHA !aNULL !eNULL !LOW !kECDH !DSS !MD5 !RC4 !EXP !PSK !SRP !CAMELLIA !SEED'; # Score=90 (recommended because more compatible)
+# ssl_ciphers AES256+EECDH:AES256+EDH:!aNULL; # Score=100
+
+# to ensure that the best possible cipher is always included over the weaker ones, chosen from the above order
+ssl_prefer_server_ciphers on;
+
+
+# OCSP stapling
+ssl_stapling on; # allow Nginx to send OCSP results during the connection process
+ssl_stapling_verify on;
+resolver 80.67.169.12 80.67.169.40 valid=300s;
+resolver_timeout 10s;
+
+# Speeds things up a little bit when resuming a session
+ssl_session_timeout 5m;
+ssl_session_cache shared:SSL:5m;
+