Nginx Reverse Proxy with SSL & Security Headers

Supanote Core Team @supanote · 1 min read

plain (nginx) 22 hours ago · 32 lines · 3 views

# Production Nginx Reverse Proxy Configuration
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name api.example.com;

    # SSL Certificates & Modern Ciphers
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;
    ssl_prefer_server_ciphers off;

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Content-Security-Policy "default-src 'self';" always;

    # Proxy Pass
    location / {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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;
    }
}

1# Production Nginx Reverse Proxy Configuration

2server {

3 listen 443 ssl http2;

4 listen [::]:443 ssl http2;

5 server_name api.example.com;

7 # SSL Certificates & Modern Ciphers

8 ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;

9 ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;

10 ssl_protocols TLSv1.2 TLSv1.3;

11 ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;

12 ssl_prefer_server_ciphers off;

14 # Security Headers

15 add_header X-Frame-Options "SAMEORIGIN" always;

16 add_header X-Content-Type-Options "nosniff" always;

17 add_header Referrer-Policy "strict-origin-when-cross-origin" always;

18 add_header Content-Security-Policy "default-src 'self';" always;

20 # Proxy Pass

21 location / {

22 proxy_pass http://127.0.0.1:3000;

23 proxy_http_version 1.1;

24 proxy_set_header Upgrade $http_upgrade;

25 proxy_set_header Connection "upgrade";

26 proxy_set_header Host $host;

27 proxy_set_header X-Real-IP $remote_addr;

28 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

29 proxy_set_header X-Forwarded-Proto $scheme;

30 }

31}

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