# nginx.conf - Security-hardened Nginx configuration for Waygate MCP
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
# Security: Limit worker connections
events {
worker_connections 1024;
use epoll;
multi_accept on;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Security: Hide nginx version
server_tokens off;
# Security: Logging format with security info
log_format security '$remote_addr - $remote_user [$time_local] '
'"$request" $status $body_bytes_sent '
'"$http_referer" "$http_user_agent" '
'$ssl_protocol/$ssl_cipher';
access_log /var/log/nginx/access.log security;
# Performance optimizations
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
# Security: Timeouts to prevent slowloris attacks
client_body_timeout 10;
client_header_timeout 10;
send_timeout 10;
# Security: Size limits
client_body_buffer_size 1K;
client_header_buffer_size 1k;
client_max_body_size 10M;
large_client_header_buffers 2 1k;
# Security: SSL Configuration
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';
ssl_prefer_server_ciphers off;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
ssl_session_tickets off;
ssl_stapling on;
ssl_stapling_verify on;
# Security: Headers
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Referrer-Policy "strict-origin-when-cross-origin" always;
add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';" always;
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
# Gzip compression
gzip on;
gzip_vary on;
gzip_min_length 1024;
gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
# Rate limiting zones
limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r/s;
limit_req_zone $binary_remote_addr zone=general_limit:10m rate=30r/s;
limit_conn_zone $binary_remote_addr zone=conn_limit:10m;
# Upstream configuration for Waygate MCP
upstream waygate_backend {
least_conn;
server waygate:8000 max_fails=3 fail_timeout=30s;
keepalive 32;
}
# HTTP to HTTPS redirect
server {
listen 80;
listen [::]:80;
server_name _;
# Security: Redirect all HTTP to HTTPS
return 301 https://$host$request_uri;
}
# HTTPS server
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name localhost; # Change to your domain
# SSL certificates (generate with certbot or your CA)
ssl_certificate /etc/nginx/ssl/cert.pem;
ssl_certificate_key /etc/nginx/ssl/key.pem;
ssl_dhparam /etc/nginx/ssl/dhparam.pem;
# Security: Limit connections
limit_conn conn_limit 10;
# Logs
access_log /var/log/nginx/waygate.access.log security;
error_log /var/log/nginx/waygate.error.log warn;
# Health check endpoint (no rate limiting)
location /health {
proxy_pass http://waygate_backend;
proxy_http_version 1.1;
proxy_set_header Connection "";
access_log off;
}
# Metrics endpoint (restricted access)
location /metrics {
# Security: Restrict to internal networks
allow 127.0.0.1;
allow 10.0.0.0/8;
allow 172.16.0.0/12;
allow 192.168.0.0/16;
deny all;
proxy_pass http://waygate_backend;
proxy_http_version 1.1;
proxy_set_header Connection "";
}
# API endpoints with rate limiting
location /mcp/ {
# Security: Rate limiting
limit_req zone=api_limit burst=20 nodelay;
limit_req_status 429;
# CORS headers for API
add_header Access-Control-Allow-Origin $http_origin always;
add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS" always;
add_header Access-Control-Allow-Headers "Authorization, Content-Type, X-API-Key" always;
add_header Access-Control-Max-Age 86400 always;
if ($request_method = OPTIONS) {
return 204;
}
proxy_pass http://waygate_backend;
proxy_http_version 1.1;
proxy_set_header Connection "";
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_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Request-ID $request_id;
# Timeouts
proxy_connect_timeout 30s;
proxy_send_timeout 30s;
proxy_read_timeout 30s;
# Buffering
proxy_buffering on;
proxy_buffer_size 4k;
proxy_buffers 8 4k;
proxy_busy_buffers_size 8k;
}
# Documentation (if enabled)
location /docs {
# Security: Restrict to internal networks in production
# allow 127.0.0.1;
# allow 10.0.0.0/8;
# deny all;
proxy_pass http://waygate_backend;
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_set_header Host $host;
}
# Main application
location / {
# Security: General rate limiting
limit_req zone=general_limit burst=50 nodelay;
proxy_pass http://waygate_backend;
proxy_http_version 1.1;
proxy_set_header Connection "";
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_set_header X-Forwarded-Proto $scheme;
# WebSocket support
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
# Timeouts
proxy_connect_timeout 30s;
proxy_send_timeout 30s;
proxy_read_timeout 30s;
}
# Security: Deny access to hidden files
location ~ /\. {
deny all;
access_log off;
log_not_found off;
}
# Security: Deny access to backup files
location ~ ~$ {
deny all;
access_log off;
log_not_found off;
}
# Custom error pages
error_page 400 401 402 403 404 /40x.html;
error_page 500 502 503 504 /50x.html;
location = /40x.html {
root /usr/share/nginx/html;
internal;
}
location = /50x.html {
root /usr/share/nginx/html;
internal;
}
}
}
