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141 result(s) for "Firewall" — best match first.

What it means for your servers

The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

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.

Linux

Latest Hacking News
Latest Hacking News Vulnerabilities

Zyxel Warns Firewall Users of Authentication Bypass Vulnerability

The Taiwanese-based technology giant Zyxel has warned users of an authentication bypass vulnerability in its…Zyxel Warns Firewall Users of Authentication Bypas…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Nasty Linux netfilter firewall security hole fou

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

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

4 Best Linux Open source Firewall for Cyber Security ' 20

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

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

IPFire Linux Firewall Now Supports exFAT,

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 …

Linux

Latest Hacking News
Latest Hacking News

Organizations are Making Incremental Investments on Modifying Web Application Firewall to Stay Ahead of Cybersecurity Threats

Data suggests that 85% of organizations are spending incrementing amounts of time on modifying their…Organizations are Making Incremental Investments on Modify…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Guide to Configuring Firewalld Rules for Linux Security

Learn how to add, remove, enable, and disable firewalld rules & zones in this guide.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

New Report: Severe Flaws in Cyberoamà¢Â€Â™s Firewall and VPN Technology Left At Least 86,000 Networks Vulnerable to Explo

A new report published by vpnMentor examines two critical vulnerabilities in cybersecurity provider Cyberoam's firewall and VPN technology, which - both indepe…

VPN

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

IPFire Linux Firewall Distro Improves Its Intrusion Prevention Syst

Are you familiar with IPFire - the Linux firewall distribution? The distro has now improved its intrusion prevention system.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

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

The tiny ATtiny85 chip doesnt look like the next big cyberthreat facing the world, but sneaking one on to a firewall motherboard would be bad news for security…

The Hacker News
The Hacker News Vulnerabilities

CISA Adds Actively Exploited GitLab RCE and Cisco Firewall DoS Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added two security flaws impacting Cisco and GitLab software to its Known Exploite…

Cisco GitLab

The Hacker News
The Hacker News Vulnerabilities

ThreatsDay: Critical Firewall Flaws, Banking Trojans Rented, Weaponized PDF, Token Theft + 26 More Stories

Some attacks take real skill. Others just need someone to leave a door open. This week has both. Exposed passwords, old bugs still getting exploited, and trust…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 ELSA-2026-67585 firewalld Moderate Fix CVE-2026-4948

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

SUSE Firewalld Moderate Local State Change Risk CVE-2026-4948 2026-22343-1

An update that solves one vulnerability can now be installed.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

SUSE Firewalld Moderate D-Bus Local Access Issue 2026-22263-1

An update that solves one vulnerability can now be installed.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Linux Firewall Rules Management Challenges Kubernetes Security

A Linux server running a few predictable services is relatively easy to secure.

Linux Kubernetes

The Hacker News
The Hacker News Vulnerabilities

⚡ Weekly Recap: Firewall Flaws, AI-Built Malware, Browser Traps, Critical CVEs & More

Security failures rarely arrive loudly. They slip in through trusted tools, half-fixed problems, and habits people stop questioning. This week’s recap shows th…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Comprehensive Guide to Troubleshooting Linux UFW Firewall Issues

UFW looks simple until you put it on a long-lived server and real traffic hits it. This focuses on the gap between what ufw status shows and what packets are a…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Guide to Auditing UFW Firewall Rules on Long-Term Linux Environments

Over time, it's common for the same service to be allowed by more than one rule. An older broad rule may still match traffic first, while newer, more restricti…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

SonicWall: Firewall Management and Security Lessons After Breach

SonicWall confirmed a breach in its cloud backup system that exposed customer configuration files. It's the kind of incident that looks small until you see wha…

VPN

The Hacker News
The Hacker News Breaches & leaks

SonicWall Urges Password Resets After Cloud Backup Breach Affecting Under 5% of Customers

SonicWall is urging customers to reset credentials after their firewall configuration backup files were exposed in a security breach impacting MySonicWall acco…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 41: Incus 6.15 Denial of Service and Firewall Fix 2025-83aa12829d

New release of Incus. Release information: https://github.com/lxc/incus/releases/tag/v6.15.0

Linux GitHub

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Beyond Firewalls: What Else Is Required to Secure a Linux System?

It has become clearly apparent in recent years that cybercrime is on the rise. Online crime affects everyone, and Linux is no longer the exception.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

The Open Source Firewall IPFire 2.27 Core Update 173 Released: Whats New?

Get ready to experience the best of IPFire 2.27 '' Core Update 173! Not only is this update introducing support for 4G and 5G modems that utilize the QMI inter…