Nginx WebSocket Reverse Proxy Configuration

Supanote Core Team @supanote · 1 min read

plain (nginx) 13 hours ago · 36 lines · 6 views

# Nginx Reverse Proxy with Full WebSocket Support
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

upstream websocket_backend {
    server 127.0.0.1:4000;
    keepalive 64;
}

server {
    listen 443 ssl http2;
    server_name ws.example.com;

    ssl_certificate /etc/letsencrypt/live/ws.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ws.example.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;

    location / {
        proxy_pass http://websocket_backend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $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;

        # WebSocket Timeout Tuning (prevent premature disconnection)
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;
        proxy_connect_timeout 75s;
    }
}

1# Nginx Reverse Proxy with Full WebSocket Support

2map $http_upgrade $connection_upgrade {

3 default upgrade;

4 '' close;

7upstream websocket_backend {

8 server 127.0.0.1:4000;

9 keepalive 64;

10}

12server {

13 listen 443 ssl http2;

14 server_name ws.example.com;

16 ssl_certificate /etc/letsencrypt/live/ws.example.com/fullchain.pem;

17 ssl_certificate_key /etc/letsencrypt/live/ws.example.com/privkey.pem;

18 ssl_protocols TLSv1.2 TLSv1.3;

20 location / {

21 proxy_pass http://websocket_backend;

22 proxy_http_version 1.1;

23 proxy_set_header Upgrade $http_upgrade;

24 proxy_set_header Connection $connection_upgrade;

25 proxy_set_header Host $host;

26 proxy_set_header X-Real-IP $remote_addr;

27 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

28 proxy_set_header X-Forwarded-Proto $scheme;

30 # WebSocket Timeout Tuning (prevent premature disconnection)

31 proxy_read_timeout 86400s;

32 proxy_send_timeout 86400s;

33 proxy_connect_timeout 75s;

34 }

35}

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