Скачать или смотреть How to Set Up a Firewall on Linux with Firewalld – Secure Your VPS in Minutes!

So you got yourself a shiny new Linux VPS, huh? Now it’s time to protect it like it owes you money. In this short, beginner-friendly tutorial, we’ll show you how to install and configure firewalld—so you can stop Googling "how to not get hacked on a VPS" at 2 a.m.

⏱️ Video Length: 5–7 minutes
👶💻 Skill Level: Beginner–Intermediate ("I know what a terminal is, kind of.")

🔥 In This Video, You'll Learn How to:

🧱 Install firewalld (because security first, chaos later)

🔌 Open only the essential ports (no, you don’t need to open everything… calm down)

🛠️ Check if your firewall is actually doing its job

🚪 Open the front door (HTTP/HTTPS) but bolt every window (unneeded ports)

🔍 See exactly what services your server is letting through like an over-trusting bouncer

📜 Commands You'll Be Copy-Pasting Like a Pro:

bash
Copy
Edit
Install firewalld like a responsible adult
sudo dnf install firewalld

Start and enable it (so it keeps working after reboot)
sudo systemctl enable --now firewalld

Check if it’s alive
sudo firewall-cmd --state

Open HTTP, HTTPS, and SSH so your site and you can still get in
sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo firewall-cmd --permanent --add-service=ssh
sudo firewall-cmd --reload

Peek at what's currently allowed
sudo firewall-cmd --list-all
🎬 Outro:
“Congrats, your VPS is now less of a sitting duck! Remember: only open what you really need. The fewer doors, the fewer robbers.”

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