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WAFs of Several Major Vendors Bypassed With Generic Attack Method

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Researchers at industrial and IoT cybersecurity firm Claroty have identified a generic method for bypassing the web application firewalls (WAFs) of several major vendors.

Brittany Day
Dec 14, 2022

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The 10 Best Free Linux Firewall Tools

For those who are serious about their network security, knowing which Linux firewall apps and solutions are available for free is crucial.

Brittany Day
Dec 14, 2022

OpenWrt 22.03 released with Firewall4, Now Supports Over 1,580 Embedded Devices

OpenWrt 22.03 open-source Linux operating system for routers and entry-level embedded devices has just been released with over 3800 commits since the release of OpenWrt 21.02 nearly exactly one year ago.

Brittany Day
Sep 19, 2022

IPFire Linux Firewall Distro Improves Its Intrusion Prevention System and Security

Peter Müller has announced the release and general availability of IPFire 2.27 Core Update 168 as the latest stable version of this hardened open-source Linux firewall distribution targeted at routers and firewalls.

Brittany Day
Jun 14, 2022

Nasty Linux netfilter firewall security hole found

How embarrassing! It turns out there was a security hole lurking in Linux's netfilter firewall program.

Brittany Day
Mar 17, 2022

4 Best Linux Open source Firewall for Cyber Security – 2022

Learn about some of the best-known open-source firewalls based on Linux to protect networks and computers from cyber security threats.

Brittany Day
Mar 09, 2022

IPFire Linux Firewall Now Supports exFAT, pe

IPFire 2.27 Core Update 161 has been released as a new maintenance update to the hardened open-source GNU/Linux distro that primarily performs as a router and a firewall. The release brings exFAT support to IPFire and boosts the intrusion prevention system's performance.

Brittany Day
Dec 01, 2021

BPF-Based Linux Firewall "bpfilter" Shows Impressive Performance Potential

Generating much excitement back in 2018 was bpfilter for the potential to better Linux's firewall and packet filtering by making it more robust and performance. Recently work on this BPF-based firewall solution was renewed and the performance potential over iptables and nftables is looking very good for the future with more feature work planned around new matches and targets, containers integration, in-place upgrades support, privilege separation, and BPF code optimization support.

Brittany Day
Sep 28, 2021

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Soldering spy chips inside firewalls is now a cheap hack, shows researcher

The tiny ATtiny85 chip doesn’t look like the next big cyberthreat facing the world, but sneaking one on to a firewall motherboard would be bad news for security were it to happen. Learn more in an interesting Naked Security article:

Brittany Day
Oct 14, 2019

Raluca Ada Popa: Her computer security method could make firewalls a thing of the past

Raluca Ada Popa found a fix for one of cybersecurity’s most fundamental challenges: securing computer systems without employing firewalls to keep hackers out.

Brittany Day
Jun 26, 2019

DNS Firewalls Could Prevent Billions in Losses to Cybercrime

DNS protection could prevent approximately one-third of the total losses due to cybercrime – which translates into billions of dollars potentially saved.

Brittany Day
Jun 13, 2019

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CUJO Smart Firewall vulnerabilities exposed home networks to critical attacks

Security researchers have uncovered a swathe of serious vulnerabilities in a firewall system developed by CUJO which has been designed to prevent cyberattackers from infiltrating home networks.

Brittany Day
Mar 20, 2019

Linux firewalls: What you need to know about iptables and firewalld

A firewall is a set of rules. When a data packet moves into or out of a protected network space, its contents (in particular, information about its origin, target, and the protocol it plans to use) are tested against the firewall rules to see if it should be allowed through.

Brittany Day
Sep 28, 2018

Why the Firewall is Increasingly Irrelevant

It will take a dramatic reimagining of security to dedicate focus to the areas where company data actually resides. It starts with tearing down the firewall.

Anthony Pell
Jun 17, 2015

IPFire 2.17 Core 89 Linux Firewall Distribution Brings Numerous Improvements

On April 21, Michael Tremer announced that a new maintenance release for IPFire, a Linux distribution that can be used by beginning and experienced system administrators alike to deploy a firewall, proxy server, or VPN gateway on their infrastructure without too much hassle, is available for download.

Dave Wreski
Apr 22, 2015

Researchers map Drupal attack that bypasses poorly tuned Web Application Firewalls

Late last year, CSO Online reported on a vulnerability in Drupal that could have left thousands of websites compromised. Last week, researchers examined the attack in more detail, measuring the time it would take to compromise a website completely.

Alex
Mar 24, 2015

Network firewalls aren't dead yet

Phil Cummings says network firewalls will continue to be a critical piece of Health Information Technology Services -- Nova Scotia security portfolio for one simple reason: nothing's come along to replace them.

Dave Wreski
Mar 06, 2014

Why you don't need a firewall

Once, firewalls were useful for certain types of attacks. Now they're more trouble than they're worth -- and create a false sense of security into the bargain

Dave Wreski
May 15, 2012

Sourcefire blends firewall and intrusion prevention systems

Sourcefire is moving into the firewall business, bringing its experience in intrusion prevention systems (IPS) such as Snort to offer a more context-aware platform that can better adapt to modern security threats than traditional firewalls, according to the firm.

Dave Wreski
Dec 05, 2011

Building a powerful & affordable firewall with Linux

It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "IOS-XE" operating system, which is a customized flavor of GNU/Linux. Yes, GNU/Linux, which should not come as any surprise as GNU/Linux is used on countless high level appliances and security devices.

Dave Wreski
Oct 20, 2011

Firewall - Page 1.25

An Introduction to UFW, Ubuntu’s ‘Uncomplicated’ Firewall

The Open Source Firewall – IPFire 2.27 – Core Update 173 Released: What’s New?

IPFire Hardened Linux Firewall Distro Is Now Powered by Linux Kernel 6.1 LTS