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SAWhat is a Firewall 🤯
Guys! A firewall is a security system that monitors and controls network traffic. It decides which connections are allowed or blocked based on predefined rules. Firewalls can protect individual devices, servers, or entire networks.
They inspect incoming and outgoing traffic to prevent unauthorized access. Rules can be based on IP addresses, ports, protocols, or application behavior. Some firewalls only filter basic traffic, while advanced ones inspect application-level data. Firewalls help reduce risks like hacking attempts and malicious traffic. They are commonly placed between internal networks and the internet. Modern cloud environments also use virtual or software-based firewalls.
In short: a firewall acts as a security gate that controls network access.
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