Do Virtual Machine Require Network Security?
1. Enable Firewall Protection Use UFW (Ubuntu) or Firewalld (CentOS/AlmaLinux) to control access. Example Login server (Ubuntu) Sudo ufw status sudo ufw enable sudo ufw allow 22/tcp # Allow SSH sudo ufw allow 80/tcp # Allow HTTP sudo ufw deny 3306 # Block MySQL from public access sudo ufw reload sudo ufw status Example (CentOS/AlmaLinux): […]
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