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====== Information ======

  * nginx
  * PHP
  * PHP-FPM
  * [[Information:Realm of Espionage]]

===== Prerequisites =====

  * [[linux:distros:server:opensuse_tumbleweed_server|openSUSE Tumbleweed (Server)]]

===== Resources =====

  * [[https://www.ssllabs.com/ssltest/analyze.html?d=wiki.realmofespionage.xyz|Qualys SSL Test]]
  * https://fedoraproject.org/wiki/Nginx

==== Old ====

  * [[https://cipherli.st/|Cipherli.st]]
  * [[https://securityheaders.com/?q=wiki.realmofespionage.xyz&followRedirects=on|Security Headers]]
  * [[https://dev.ssllabs.com/ssltest/analyze.html?d=wiki.realmofespionage.xyz|Qualys SSL Test (dev)]]
  * https://cs.chromium.org/chromium/src/third_party/blink/renderer/platform/feature_policy/feature_policy.cc?l=138&rcl=ab90b51c5b60de15054a32b0bd18e4839536a1c9
  * https://infosec.mozilla.org
  * https://gist.github.com/plentz/6737338
  * https://scotthelme.co.uk
  * https://mozilla.github.io/server-side-tls/ssl-config-generator

====== Dependencies ======

****

  sudo zypper install git-core nginx php8-cli php8-fpm php8-opcache

====== Information ======

  nginx -v

  php -m

====== Firewall ======

****

  sudo firewall-cmd --add-service='http' --permanent && sudo firewall-cmd --add-service='https' --permanent && sudo firewall-cmd --reload

====== SELinux ======

===== php-fpm =====

  * 2025/04/25

  sudo setsebool -P 'httpd_execmem' '1'

===== DokuWiki =====

  * [[servers:linux:nginx:dokuwiki]]
  * 2025/04/25

  sudo setsebool -P 'httpd_can_network_connect' '1'

===== Other =====

  sudo setsebool -P 'httpd_graceful_shutdown' '1'

  sudo setsebool -P 'nis_enabled' '1'

  sudo setsebool -P 'httpd_can_network_relay' '1'

===== Global restorecon =====

****

  sudo restorecon -F -I -R '/etc/nginx' '/etc/php8/fpm/php-fpm.d' '/srv/www'

====== Services ======

===== Enable =====

****

  sudo systemctl enable 'nginx' 'php-fpm' --now

====== Config Defaults ======

===== php-fpm Default Pool =====

  sudo mv '/etc/php8/fpm/php-fpm.d/www.conf' '/etc/php8/fpm/php-fpm.d/www.conf~'

  nano '/etc/php8/fpm/php-fpm.d/www.conf~'

===== nginx.conf =====

  sudo mv '/etc/nginx/nginx.conf' '/etc/nginx/nginx.conf~'

  nano '/etc/nginx/nginx.conf~'

===== php.ini =====

  nano '/etc/php8/cli/php.ini'

====== nginx Settings ======

===== Notes =====

  * ''conf.d'' contains **server-wide** modular configuration files
  * ''default.d'' contains **site-specific** modular configuration files
  * ''vhosts.d'' contains enabled websites ((this folder needs created))

===== Defaults =====

==== vhosts.d ====

****

  sudo mkdir -p '/etc/nginx/vhosts.d'

===== HTTPS Redirect =====

  * This automatically redirects non-HTTPS site links to HTTPS

  sudo -e '/etc/nginx/conf.d/http-redirect.conf'

<code>
# nginx/conf.d/http-redirect.conf

server {
    listen '80' 'default_server';
    listen '[::]:80' 'default_server';

    return '301' 'https://$host$request_uri';
}

# End</code>

===== Non-existent 404 =====

  * This prevents unconfigured subdomains from loading assets from other sites ((if a site/URL doesn't exist, it'll 404))

  sudo -e '/etc/nginx/conf.d/non-existent.conf'

<code>
# nginx/conf.d/non-existent.conf

server {
    listen '443' 'ssl' default_server;
    http2 'on';
    server_name '_';

    return '404';
}

# End</code>

===== Headers =====

  * Add to individual site configs as an ''include''

  sudo -e '/etc/nginx/default.d/headers.conf'

<code>
# nginx/default.d/headers.conf

add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-Frame-Options "sameorigin" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Cache-Control "no-store, no-transform, public" always;
add_header Referrer-Policy "same-origin" always;
add_header Expect-CT "max-age=0" always;
add_header Permissions-Policy "geolocation=(), microphone=(), payment=(), usb=(), vr=(), magnetometer=(), midi=(), camera=(), ambient-light-sensor=(), accelerometer=()" always;

# End</code>

===== nginx =====

  sudo -e '/etc/nginx/nginx.conf'

<code>
# nginx/nginx.conf

events {
 multi_accept 'on';
 worker_connections '1024';
}

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

http {

 # Logging
 #log_format main '$time_local - $http_host - $remote_addr - $status "$request" $body_bytes_sent - $http_referer - "$http_user_agent"';
 #access_log '/var/log/nginx/access.log main';

 # Includes
 include '/etc/nginx/conf.d/*.conf';
 include '/etc/nginx/vhosts.d/*.conf';
 include '/etc/nginx/mime.types';
 default_type 'application/octet-stream';

 # Config
 sendfile 'on';
 tcp_nopush 'on';
 tcp_nodelay 'on';
 keepalive_timeout '65';
 types_hash_max_size '4096';

 # gzip
 gzip 'on';
 gzip_vary 'on';
 gzip_proxied 'any';
 gzip_comp_level '9';
 gzip_types '*';
}

# End</code>

==== CSP Headers ====

  * The empty CSP allows all and can be useful for new site bring-ups, and should be placed in site-specific configs underneath the ''include'' line(s)

<code>    add_header Content-Security-Policy "default-src 'self'" always;</code>

<code>    add_header Content-Security-Policy "" always;</code>

====== SSL Certs ======

===== Let's Encrypt =====

  * See [[servers;linux;nginx;lets_encrypt|Let's Encrypt/Certbot]] for further set-up

  sudo -e '/etc/nginx/conf.d/ssl.conf'

<code>
# nginx/conf.d/ssl.conf

ssl_certificate '/etc/letsencrypt/live/realmofespionage.xyz/fullchain.pem';
ssl_trusted_certificate '/etc/letsencrypt/live/realmofespionage.xyz/fullchain.pem';
ssl_certificate_key '/etc/letsencrypt/live/realmofespionage.xyz/privkey.pem';

ssl_session_timeout '10m';
ssl_session_cache 'shared:SSL:10m';
ssl_session_tickets 'off';
ssl_buffer_size '4k';

ssl_protocols 'TLSv1.2' 'TLSv1.3';
ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM';
ssl_prefer_server_ciphers 'on';
ssl_ecdh_curve 'secp384r1';

ssl_stapling 'on';
ssl_stapling_verify 'on';

# End</code>