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What Is a Firewall and Do you Need One?

Adam Levin

A firewall is a network security device or program designed to prevent unauthorized and malicious internet traffic from entering a private network or device. There are different types of firewalls. Firewalls can be software- or hardware-based. How do they work? Probably not.

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How to Block a Program in a Firewall (Windows & Mac)

eSecurity Planet

Blocking a program in a firewall is a security measure that protects systems from unwanted access. This process monitors resource consumption, limits internet access, blocks inbound access from malicious sources, and prevents outbound access from installed apps.

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Next-Generation Firewalls: A comprehensive guide for network security modernization

CyberSecurity Insiders

The terms computer security, information security and cybersecurity were practically non-existent in the 1980s, but believe it or not, firewalls have existed in some form since that time. But what sets NGFWs apart from traditional firewalls? NGFWs offer several advantages over traditional firewalls.

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Simplify Network Security with Cisco Secure Firewall-as-a-service (FWaaS) on AWS

Cisco Security

With traditional firewalls, network security teams are charged with the heavy lifting of deploying new solutions. To become more agile, organizations are increasingly moving towards deploying SaaS-based security offerings hosted directly by vendors. What does this mean for Cisco Secure Firewall customers?

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What Is a Firewall Policy? Steps, Examples & Free Template

eSecurity Planet

A firewall policy is a set of rules and standards designed to control network traffic between an organization’s internal network and the internet. It aims to prevent unauthorized access, manage data movement, and guard against potential security threats.

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GUEST ESSAY: A roadmap to achieve a better balance of network security and performance

The Last Watchdog

Why do so many businesses struggle to balance network security and user experience? Even before COVID, enterprises saw huge increases in people working outside the traditional corporate firewall. Today though, the enterprise network itself changes just as frequently. Your network security simulations should do the same.

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U.S. Security Agencies Release Network Security, Vulnerability Guidance

eSecurity Planet

National Security Agency (NSA) released comprehensive network security guidance on March 3, on the same day that the Cybersecurity and Infrastructure Security Agency (CISA) released its longest-ever list of exploited vulnerabilities. Read next: Best Network Monitoring Tools for 2022. Oracle Java SE and VirtualBox.