VPS Hosting General

What is a VPS firewall and how do I configure it?

A firewall controls which traffic reaches your VPS. On Ubuntu/Debian VPS at connectquest.co.in, use UFW: `ufw allow 22` (SSH), `ufw allow 80` (HTTP), `ufw allow 443` (HTTPS), `ufw enable`. For GUI-based management, install ConfigServer Firewall (CSF) which integrates with cPanel/WHM for rule management.

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