Web server ========== All requests to domains you are use must be redirected to localhost:8069 with preserving value for header HOST. Check possible configurations below. Nginx server { listen 80 default_server; 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; location /longpolling { proxy_pass http://127.0.0.1:8072; } location / { proxy_pass http://127.0.0.1:8069; } }