Securing Production Odoo Deployments on Ubuntu Linux

Introduction

Hardening your Linux server hosting Odoo ERP is critical to protect sensitive financial and operational company data.

Core Hardening Checklist:

1. Enforce SSH Key Authentication & Disable Direct Root Login.
2. Configure Nginx Reverse Proxy with Let's Encrypt SSL (Certbot).
3. Restrict File System Permissions for PostgreSQL & odoo User.
4. Secure odoo.conf and Update the Odoo Master Password.