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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. Firewalls filter incoming network traffic at a computer’s entry points, or ports, where information is exchanged between the computer network and external devices.

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Aviatrix is transforming cloud network security with distributed firewalling

CSO Magazine

Cloud networking solutions provider Aviatrix has launched a distributed cloud firewall offering in a bid to strengthen network security for application traffic on multicloud environments. Customers are no longer constrained by last-generation firewall architectures in the cloud.

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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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What Is Stateful Inspection in Network Security? Ultimate Guide

eSecurity Planet

Stateful inspection is a firewall feature that filters data packets based on the context of previous data packets. This important feature uses header information from established communication connections to improve overall security. Table of Contents Toggle How Does Stateful Inspection Work? Stateless protocols (UDP, HTTP, etc.)

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Resolve network security issues efficiently with the Firewall Analyzer-ServiceDesk Plus integration

Security Boulevard

ManageEngine Firewall Analyzer reviews firewall logs to capture network security threats. It generates alerts upon detecting security threats and attacks, and notifies you, the security administrator, in real time. You can configure alerts to be sent via email, SMS, and ….

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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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Network Security Automation using Cisco Secure Firewall and Hashicorp’s Consul

Cisco Security

Let’s assume that an access rule configured on the Cisco Secure Firewall allows traffic from one service to another based on their IP addresses. It is effective as long as the setup does not change but if the destination node goes down or becomes inaccessible, another node will spin up in its place making the access rule ineffective.

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