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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.).

Firewall 103
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Vulnerability Recap 4/15/24 – Palo Alto, Microsoft, Ivanti Exploits

eSecurity Planet

Threats range from severe weaknesses in Ivanti’s VPN appliances to zero-day exploits in popular software such as Palo Alto Networks’ PAN-OS and Telegram’s Windows client. Typically, these vulnerabilities result in remote code execution or denial-of-service attacks, posing major dangers to users’ data security.

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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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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. “End-of-life software poses a risk to an organization,” he said.

DDOS 101
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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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Vulnerability Recap 3/19/24 – Microsoft, Fortinet & More

eSecurity Planet

However, their security incident response team recommends prioritizing the critical-level arbitrary system file read vulnerability patch for ColdFusion. The fix: Update software using patches from the relevant download center, download page, or link in the instructions for each software.

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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?

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