🔥 Firewall — Your Digital Gatekeeper

🔥 Firewall: Your Online Gatekeeper A firewall acts as a kind of intelligent security guard between your computer and the internet. It verifies every piece of information, allowing the secure ones to enter and preventing the malicious ones.
⚙️ Why We Need It •
🛡️ Prevents malware and hackers •
🚫prevents malicious websites or programs; regulates and keeps an eye on internet traffic; and guards against data theft.
Types of Firewalls
How It Operates: Optimal Use Hardware Firewall A physical gadget that safeguards a whole network in homes or offices Firewall SoftwareAn application that is set up on your PC or laptop Firewall in the CloudCloud computing and AI-powered online security Companies and remote groups
⚖️ Firewall Rules: The Laws of the Gatekeeper Each regulation states either: • Permit (let it go) •
⛔ Deny (block it)
1. Hardware Firewall
• A physical device
• Protects an entire network
• Commonly used in homes, offices, and enterprises
2. Software Firewall
• Installed on individual computers or laptops
• Provides device-level protection
3. Cloud Firewall
• Hosted online
• Uses cloud computing and AI-driven security
• Ideal for companies and remote teams

Examples include allowing Google, blocking Facebook, allowing WhatsApp on port 443, and blocking unidentified connections.
🌐 To put it briefly, a firewall is your first line of protection in the digital world; it allows you to govern your online safety while blocking harmful traffic.