Introduction to “Network Security” Firewall

Abstract

We use network security in many infrastructure technologies in modern life. It is used to safeguard our daily life sensitive data and ensure the uninterrupted flow of information has become paramount there are many tools and techniques that contribute to our network security. Firewalls are a fundamental aspect of network security. They act as a barrier bеtwееn a trusted internal network and untrusted external networks, such as the internet. Firewalls are responsible for monitoring, filtering, and controlling incoming and outgoing network traffic to enforce security policies and prevent unauthorized access or malicious activities.