What Is a Firewall? Know Its Relevance and Utility
A firewall, often referred to as the "bulls-eye" of network security, 🎯 is a network security mechanism that monitors and controls incoming and outgoing traffic based on predefined rules, acting as a barrier between trusted internal networks and untrusted external networks like the internet. It scrutinizes data packets, applying rules to determine whether to permit or block them based on factors such as source and destination IP addresses, port numbers, and packet contents. Integral to network security infrastructure, firewalls safeguard against cyber threats like hackers, malware, and unauthorized access attempts, playing a crucial role in protecting network bulls 🐂 against potential breaches.
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