Tag: vps firewall

How to Protect Your VPS from Hackers in 2025

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A Virtual Private Server (VPS) gives you power, control, and flexibility for hosting your websites, apps, or projects. But with great control comes great responsibility — and in 2025, cyberattacks are more sophisticated than ever. To keep your VPS safe, you need to apply strong security measures right after deployment and maintain them regularly.

At Hosteons, we encourage all VPS users to take security seriously. Here’s how to protect your VPS from hackers in 2025.

🔑 1. Use Strong Authentication

  • Change the default SSH port from 22 to something less predictable.
  • Disable password-based logins and switch to SSH key authentication.
  • Use strong, unique passwords for all accounts if passwords are unavoidable.

🔒 2. Keep Software Updated

Hackers often exploit outdated software. Run regular updates on your VPS:

apt update && apt upgrade -y   # Ubuntu/Debian  
yum update -y                  # CentOS/AlmaLinux

Enable automatic security updates where possible.

🛡 3. Configure a Firewall

Set up firewalls like UFW (Uncomplicated Firewall) or CSF to allow only necessary traffic and block everything else. Combine it with Fail2Ban to automatically block suspicious IPs.

🚨 4. Monitor and Audit Logs

Use tools like Logwatch, GoAccess, or external monitoring systems to watch login attempts, unusual traffic, and system resource spikes. Early detection helps prevent breaches.

👤 5. Limit Root Access

  • Create a separate user with sudo privileges.
  • Disable direct root login via SSH.
  • Use role-based access if multiple people manage the server.

🔐 6. Secure Applications and Databases

  • Keep web apps, CMS platforms (like WordPress), and plugins up to date.
  • Restrict database access to localhost unless remote access is absolutely required.
  • Use strong credentials for MySQL/MariaDB and any control panels.

📦 7. Enable Regular Backups

Even with the best defenses, no system is 100% secure. Automated backups ensure you can recover quickly in case of a hack, data corruption, or accidental deletion.

🌐 8. Consider a WAF or DDoS Protection

Adding a Web Application Firewall (WAF) or enabling DDoS mitigation can stop malicious traffic before it reaches your VPS. Cloudflare and other providers offer affordable protection options.

🚀 Why Choose Hosteons for a Secure VPS?

At Hosteons, we provide VPS hosting with:

  • Full root access so you can configure security your way
  • 10Gbps network ports for reliable performance
  • No-KYC signups for privacy-conscious users
  • Global locations in the US and EU for low-latency access

👉 Explore our VPS & VDS plans here:

✅ Conclusion

Hackers are always looking for new ways to exploit vulnerable servers, but by following these security steps, you can significantly reduce risks. In 2025, protecting your VPS means combining basic hardening techniques, continuous monitoring, and proactive backups.

With the right precautions, your VPS will remain secure, reliable, and hacker-resistant.

Top Security Steps You Should Take After Buying a VPS

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A Virtual Private Server (VPS) gives you power, flexibility, and control over your hosting environment. But with that control comes responsibility — especially when it comes to security. Right after you deploy a VPS, there are essential steps you should take to protect it from hackers, malware, and unauthorized access.

At Hosteons, we want our customers to stay secure from day one. Here’s a checklist of the top security steps you should take after purchasing a VPS.

🔑 1. Change the Default SSH Port

Most VPS servers use port 22 for SSH access by default, which makes it an easy target for brute-force attacks. Change it to a non-standard port for better protection.

🔒 2. Set Up SSH Keys Instead of Passwords

Using passwords alone is risky. Instead, configure SSH key authentication. This ensures only devices with the correct private key can access your VPS.

🛡 3. Configure a Firewall

Install and configure a firewall like UFW (Uncomplicated Firewall) or CSF (ConfigServer Security & Firewall) to block unauthorized traffic and allow only the services you need.

🚨 4. Install Fail2Ban

Fail2Ban helps prevent brute-force attacks by banning IPs that show malicious behavior, such as repeated failed login attempts.

📦 5. Keep Your System Updated

Always run system updates regularly:

apt update && apt upgrade -y   # Ubuntu/Debian  
yum update -y                  # CentOS/AlmaLinux

This ensures you have the latest security patches.

👤 6. Create a Non-Root User

Running everything as root is risky. Create a regular user account with sudo privileges to reduce exposure if compromised.

🔐 7. Secure Critical Services

  • Disable unused services to reduce entry points.
  • Restrict database access to localhost unless remote access is absolutely necessary.
  • Use strong, unique passwords for all accounts.

📂 8. Enable Automatic Backups

Even with strong security, accidents can happen. Enable automated VPS backups through the Virtualizor panel or cron jobs to ensure you can recover quickly.

🚀 Bonus: Use Monitoring Tools

Set up monitoring tools like Logwatch or integrate with external monitoring services to get alerts about suspicious activity.

✅ Conclusion

Securing your VPS right after purchase is the most important step you can take to protect your data, applications, and users. By following this checklist, you’ll reduce risks and keep your server safe from the start.

At Hosteons, we provide VPS with 10Gbps ports, multiple global locations, and full root access, giving you the flexibility to apply all these security best practices easily.

👉 Explore our VPS plans today:

🔐 Automatically Install Fail2Ban with Smart Jail Detection on Your VPS (Script by Hosteons)

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Here’s a complete WordPress blog post draft to promote your Fail2Ban Auto-Installer script from GitHub:

🔐 Automatically Install Fail2Ban with Smart Jail Detection on Your VPS (Script by Hosteons)

At Hosteons, we’re committed to making server security easier for everyone. Whether you’re running a small VPS or managing a fleet of Linux servers, protecting against brute-force attacks is critical.

That’s why we’ve created a Fail2Ban Auto-Installer Script that not only installs Fail2Ban but also auto-detects and enables jails for common services like SSH, Apache, and Nginx — all in one click.

👉 GitHub Repository:

https://github.com/hosteons/Fail2Ban-Auto-Installer-With-Jail

✅ Key Features

  • Installs Fail2Ban on Ubuntu, Debian, AlmaLinux, and CentOS
  • Detects installed services (e.g., sshd, nginx, apache) and enables jails accordingly
  • Skips jails for services not found on the system
  • Handles log file paths intelligently based on distro
  • Verifies and restarts Fail2Ban only if configuration is valid
  • Smart checks if Fail2Ban is already installed
  • Minimal and safe — logs errors clearly

🧠 How It Works

When you run the script:

  1. It detects your Linux OS flavor.
  2. Installs Fail2Ban (if not already installed).
  3. Checks if apache, nginx, or sshd is active.
  4. Adds only the appropriate jails with correct log paths.
  5. Restarts Fail2Ban and confirms its status.
  6. Provides clear output so you know it’s working.

This ensures Fail2Ban doesn’t fail due to missing log files or services — a common issue in manual configurations.

📥 How to Use

  1. Download the script:
wget https://raw.githubusercontent.com/hosteons/Fail2Ban-Auto-Installer-With-Jail/main/fail2ban_auto_installer.sh
chmod +x fail2ban_auto_installer.sh
./fail2ban_auto_installer.sh
  2. That’s it. The script handles the rest!

🚀 Need a Secure VPS?

This script runs perfectly on our KVM VPS and Ryzen VPS plans. Visit hosteons.com to explore secure hosting powered by NVMe SSD and DDoS protection — with native support for IPv6, WireGuard VPN, and more.

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