Moving docs to join.lemmy.ml . Fixes #1396 (#1410)

[lemmy.git] / ansible / templates / nginx.conf

diff --git a/ansible/templates/nginx.conf b/ansible/templates/nginx.conf
index e0aaec91646d4f4df8e2be56c95c9bb5cdbcc0f4..675925a201780af567a00a740a2c59eb1f6b0105 100644 (file)
--- a/ansible/templates/nginx.conf
+++ b/ansible/templates/nginx.conf
@@ -1,3 +1,5 @@
+limit_req_zone $binary_remote_addr zone=lemmy_ratelimit:10m rate=1r/s;
+
 server {
     listen 80;
     server_name {{ domain }};
@@ -13,21 +15,107 @@ server {
     listen 443 ssl http2;
     server_name {{ domain }};
 
-    ssl_certificate /certs/live/{{ domain }}/fullchain.pem;
-    ssl_certificate_key /certs/live/{{ domain }}/privkey.pem;
+    ssl_certificate /etc/letsencrypt/live/{{domain}}/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/{{domain}}/privkey.pem;
+
+    # Various TLS hardening settings
+    # https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers on;
+    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';
+    ssl_session_timeout  10m;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_tickets off;
+    ssl_stapling on;
+    ssl_stapling_verify on;
+
+    # Hide nginx version
+    server_tokens off;
+
+    # Enable compression for JS/CSS/HTML bundle, for improved client load times.
+    # It might be nice to compress JSON, but leaving that out to protect against potential
+    # compression+encryption information leak attacks like BREACH.
+    gzip on;
+    gzip_types text/css application/javascript image/svg+xml;
+    gzip_vary on;
+
+    # Only connect to this site via HTTPS for the two years
+    add_header Strict-Transport-Security "max-age=63072000";
 
-    # TODO: add security params
+    # Various content security headers
+    add_header Referrer-Policy "same-origin";
+    add_header X-Content-Type-Options "nosniff";
+    add_header X-Frame-Options "DENY";
+    add_header X-XSS-Protection "1; mode=block";
 
+    # Upload limit for pictrs
+    client_max_body_size 20M;
+
+    # frontend
     location / {
-        rewrite (\/(user|u|inbox|post|community|c|login|search|sponsors|communities|modlog|home)+) /static/index.html break;
-        proxy_pass http://0.0.0.0:8536;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-
-        # WebSocket support
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
+      # The default ports:
+      # lemmy_ui_port: 1235
+      # lemmy_port: 8536
+
+      set $proxpass "http://0.0.0.0:{{ lemmy_ui_port }}";
+      if ($http_accept = "application/activity+json") {
+        set $proxpass "http://0.0.0.0:{{ lemmy_port }}";
+      }
+      if ($http_accept = "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"") {
+        set $proxpass "http://0.0.0.0:{{ lemmy_port }}";
+      }
+      if ($request_method = POST) {
+        set $proxpass "http://0.0.0.0:{{ lemmy_port }}";
+      }
+      proxy_pass $proxpass;
+
+      rewrite ^(.+)/+$ $1 permanent;
+
+      # Send actual client IP upstream
+      proxy_set_header X-Real-IP $remote_addr;
+      proxy_set_header Host $host;
+      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+
+    # backend
+    location ~ ^/(api|pictrs|feeds|nodeinfo|.well-known) {
+      proxy_pass http://0.0.0.0:{{ lemmy_port }};
+      proxy_http_version 1.1;
+      proxy_set_header Upgrade $http_upgrade;
+      proxy_set_header Connection "upgrade";
+
+      # Rate limit
+      limit_req zone=lemmy_ratelimit burst=30 nodelay;
+
+      # Add IP forwarding headers
+      proxy_set_header X-Real-IP $remote_addr;
+      proxy_set_header Host $host;
+      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+
+
+    # Redirect pictshare images to pictrs
+    location ~ /pictshare/(.*)$ {
+      return 301 /pictrs/image/$1;
+    }
+
+    location /iframely/ {
+      proxy_pass http://0.0.0.0:8061/;
+      proxy_set_header X-Real-IP $remote_addr;
+      proxy_set_header Host $host;
+      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     }
 }
+
+# Anonymize IP addresses
+# https://www.supertechcrew.com/anonymizing-logs-nginx-apache/
+map $remote_addr $remote_addr_anon {
+  ~(?P<ip>\d+\.\d+\.\d+)\.    $ip.0;
+  ~(?P<ip>[^:]+:[^:]+):       $ip::;
+  127.0.0.1                   $remote_addr;
+  ::1                         $remote_addr;
+  default                     0.0.0.0;
+}
+log_format main '$remote_addr_anon - $remote_user [$time_local] "$request" '
+'$status $body_bytes_sent "$http_referer" "$http_user_agent"';
+access_log /var/log/nginx/access.log main;