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What is a reverse proxy and how do I use Nginx as one?

A reverse proxy sits in front of your application servers and forwards client requests to them, returning the response to clients. Uses: load balancing across multiple backend servers, SSL termination (handle HTTPS once at proxy), caching, compression, and protecting backend servers from direct internet exposure. Configure Nginx as reverse proxy for a Node.js API running on port 3000: in /etc/nginx/sites-available/api.conf, set location / { proxy_pass http://127.0.0.1:3000; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; }. The Node.js app never handles SSL or sees raw client IPs. Connect Quest VPS plans give full control to configure Nginx reverse proxy. Available on VPS plans from Rs 699/month at connectquest.co.in.

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