🛡️ Linux Hardening Automation Project

This project automates key Linux hardening practices using a modular set of Bash scripts, targeting firewall configuration, SSH security, user account policy, file permission enforcement, and audit logging.

📂 Project Structure

  ```
  linux-hardening-script/
├── scripts/
│ ├── ufw_setup.sh
│ ├── ssh_hardening.sh
│ ├── user_security.sh
│ ├── file_permissions.sh
│ └── audit_config.sh
├── screenshots/
├── hardening_report_template.md
└── README.md

  ```

Script	Description
ufw_setup.sh	Configures firewall with UFW, allowing/denying ports and IPs
ssh_hardening.sh	Disables root login, changes SSH port, enforces protocol 2
user_security.sh	Enforces password policies, disables guest login, audits accounts
file_permissions.sh	Fixes sensitive file permissions, applies sticky bits, audits SUID/777 files
audit_config.sh	Installs and configures auditd to track key system events

🚀 How to Use

Run each script with superuser privileges:

sudo bash scripts/ufw_setup.sh
sudo bash scripts/ssh_hardening.sh
sudo bash scripts/user_security.sh
sudo bash scripts/file_permissions.sh
sudo bash scripts/audit_config.sh