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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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What Is DNS Security? Everything You Need to Know

eSecurity Planet

The DNS protocol was designed for use within a firewall on a secure network, and by default will communicate in plain text. A modern computing environment includes branch offices, remote workers, and mobile devices that must reach DNS servers from outside the firewall.

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What Is Packet Filtering? Definition, Advantages & How It Works

eSecurity Planet

Packet filtering is a firewall feature that allows or drops data packets based on simple, pre-defined rules regarding IP addresses, ports, or protocols. Once a type of firewall, packet filtering now provides a fundamental feature of nearly all firewalls and some network equipment (routers, smart switches, etc.).

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What Is a Circuit-Level Gateway? Definitive Guide

eSecurity Planet

A circuit-level gateway (CLG) is a firewall feature that acts as a proxy and filters packets based on session information. CLGs are important because they provide specialized security filtering and prevent the discovery of IP addresses and open ports on CLG-protected devices.

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Public Cloud Security Explained: Everything You Need to Know

eSecurity Planet

These safeguards, when combined with adherence to security best practices and standards, establish a strong security architecture for public cloud environments. Firewalls and Network Security Firewalls serve as a barrier between cloud resources and external networks in a public cloud environment.

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October 2023 Patch Tuesday Includes Three Zero-Days Flaws

eSecurity Planet

Microsoft’s Patch Tuesday for October 2023 covers a total of 103 CVEs, including three zero-day vulnerabilities affecting WordPad, Skype and the HTTP/2 “ Rapid Reset ” DDoS vulnerability. CVE-2023-41763 , an elevation of privilege vulnerability in Skype for Business with a CVSS score of 5.3

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Network Security Architecture: Best Practices & Tools

eSecurity Planet

Network security architecture is a strategy that provides formal processes to design robust and secure networks. Effective implementation improves data throughput, system reliability, and overall security for any organization.