ansible/templates/nginx.conf

   1 limit_req_zone $binary_remote_addr zone=lemmy_ratelimit:10m rate=1r/s;
   2
   3 server {
   4     listen 80;
   5     server_name {{ domain }};
   6     location /.well-known/acme-challenge/ {
   7         root /var/www/certbot;
   8     }
   9     location / {
  10         return 301 https://$host$request_uri;
  11     }
  12 }
  13
  14 server {
  15     listen 443 ssl http2;
  16     server_name {{ domain }};
  17
  18     ssl_certificate /etc/letsencrypt/live/{{domain}}/fullchain.pem;
  19     ssl_certificate_key /etc/letsencrypt/live/{{domain}}/privkey.pem;
  20
  21     # Various TLS hardening settings
  22     # https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
  23     ssl_protocols TLSv1.2 TLSv1.3;
  24     ssl_prefer_server_ciphers on;
  25     ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
  26     ssl_session_timeout  10m;
  27     ssl_session_cache shared:SSL:10m;
  28     ssl_session_tickets off;
  29     ssl_stapling on;
  30     ssl_stapling_verify on;
  31
  32     # Hide nginx version
  33     server_tokens off;
  34
  35     # Enable compression for JS/CSS/HTML bundle, for improved client load times.
  36     # It might be nice to compress JSON, but leaving that out to protect against potential
  37     # compression+encryption information leak attacks like BREACH.
  38     gzip on;
  39     gzip_types text/css application/javascript image/svg+xml;
  40     gzip_vary on;
  41
  42     # Only connect to this site via HTTPS for the two years
  43     add_header Strict-Transport-Security "max-age=63072000";
  44
  45     # Various content security headers
  46     add_header Referrer-Policy "same-origin";
  47     add_header X-Content-Type-Options "nosniff";
  48     add_header X-Frame-Options "DENY";
  49     add_header X-XSS-Protection "1; mode=block";
  50
  51     # Upload limit for pictrs
  52     client_max_body_size 20M;
  53
  54     # Rate limit
  55     limit_req zone=lemmy_ratelimit burst=30 nodelay;
  56
  57     location / {
  58         proxy_pass http://0.0.0.0:8536;
  59         proxy_set_header X-Real-IP $remote_addr;
  60         proxy_set_header Host $host;
  61         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  62
  63         # Cuts off the trailing slash on URLs to make them valid
  64         rewrite ^(.+)/+$ $1 permanent;
  65
  66         # WebSocket support
  67         proxy_http_version 1.1;
  68         proxy_set_header Upgrade $http_upgrade;
  69         proxy_set_header Connection "upgrade";
  70     }
  71
  72     # Redirect pictshare images to pictrs
  73     location ~ /pictshare/(.*)$ {
  74       return 301 /pictrs/image/$1;
  75     }
  76
  77     # pict-rs images
  78     location /pictrs {
  79       location /pictrs/image {
  80         proxy_pass http://0.0.0.0:8537/image;
  81         proxy_set_header X-Real-IP $remote_addr;
  82         proxy_set_header Host $host;
  83         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  84       }
  85       # Block the import
  86       return 403;
  87     }
  88
  89     location /iframely/ {
  90       proxy_pass http://0.0.0.0:8061/;
  91       proxy_set_header X-Real-IP $remote_addr;
  92       proxy_set_header Host $host;
  93       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  94     }
  95 }
  96
  97 # Anonymize IP addresses
  98 # https://www.supertechcrew.com/anonymizing-logs-nginx-apache/
  99 map $remote_addr $remote_addr_anon {
 100   ~(?P<ip>\d+\.\d+\.\d+)\.    $ip.0;
 101   ~(?P<ip>[^:]+:[^:]+):       $ip::;
 102   127.0.0.1                   $remote_addr;
 103   ::1                         $remote_addr;
 104   default                     0.0.0.0;
 105 }
 106 log_format main '$remote_addr_anon - $remote_user [$time_local] "$request" '
 107 '$status $body_bytes_sent "$http_referer" "$http_user_agent"';
 108 access_log /var/log/nginx/access.log main;