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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 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 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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Vulnerability Recap 4/15/24 – Palo Alto, Microsoft, Ivanti Exploits

eSecurity Planet

Typically, these vulnerabilities result in remote code execution or denial-of-service attacks, posing major dangers to users’ data security. To mitigate these risks, users must promptly apply vendor-provided software patches and updates, as well as exercise vigilance when using online services and apps. and 7.0.11.

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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. This CVE should be treated as a higher severity than Important due to the risk of exploit.”

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Public Cloud Security Explained: Everything You Need to Know

eSecurity Planet

Major cloud service providers have generally had good security , so cloud users can be pretty confident in the security of their data and applications if they get their part right. Firewalls and Network Security Firewalls serve as a barrier between cloud resources and external networks in a public cloud environment.

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What Is a Next-Generation Firewall?

eSecurity Planet

A next generation firewall (NGFW) performs deep packet inspection to check the contents of the data flowing through the firewall. Unlike more basic firewalls that only check the header of data packets, NGFWs examine and evaluate the payload data within the packet. Who Needs a Next-Gen Firewall?