1. Install UFW: sudo apt install ufw

  2. Set default policies:

    • ufw default deny incoming

    • ufw default allow outgoing

  3. Allow SSH: ufw allow 22

  4. Enable UFW: ufw enable

  5. Check status: ufw status verbose

You can also allow specific ports like ufw allow 80 (HTTP) and ufw allow 443 (HTTPS).

Was this answer helpful? 0 Users Found This Useful (0 Votes)

Most Popular Articles

How to Install and Configure a LAMP Stack on Your Linux VPS

For CentOS/Ubuntu: Run: sudo apt install apache2 mysql-server php php-mysql (Ubuntu) or yum...
How to Set Up Email Services on Your VPS

Install Postfix (Linux) or MailEnable (Windows). Set DNS records (MX, SPF, DKIM, DMARC)....
How to Schedule Automatic Backups on Your VPS

Use rsync and cron jobs.

How to Install and Configure cPanel on Your Linux VPS

Ensure your VPS is running a supported OS (CentOS, AlmaLinux, RockyLinux). Run: yum...
How to Harden SSH Security on Your Linux VPS

Edit the SSH config file: nano /etc/ssh/sshd_config Change the default port from 22 to...