Linux Firewall
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.
NethSecurity is a Linux firewall that has been gaining traction in the open-source Linux space. Its proactive approach to network management and security has set it apart.
Iptables are the cornerstone for configuring firewalls and managing network traffic in Linux. For the uninitiated, iptables can be complex and intimidating. However, most Linux distributions provide simpler front-end interfaces to manage iptables rules. Ubuntu's Uncomplicated Firewall (UFW) offers a straightforward way to configure firewall settings without diving into intricate iptables commands.
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 interface, but also includes a kernel freshly picked from 6.1’s stable series as well as an array of package updates, security enhancements, and bug fixes so you can be sure your device is always up-to-date with the latest improvements!
IPFire 2.27 Core Update 173 is out to introduce support for 4G and 5G modems that use the QMI interface.
A suspected China-nexus threat actor exploited a recently patched vulnerability in Fortinet FortiOS SSL-VPN as a zero-day in attacks targeting a European government entity and a managed service provider (MSP) located in Africa.
Firewalld 1.3 is out as the newest version of this open-source firewall daemon used on Linux systems.
Researchers at industrial and IoT cybersecurity firm Claroty have identified a generic method for bypassing the web application firewalls (WAFs) of several major vendors.
For those who are serious about their network security, knowing which Linux firewall apps and solutions are available for free is crucial.
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.
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.
How embarrassing! It turns out there was a security hole lurking in Linux's netfilter firewall program.
Learn about some of the best-known open-source firewalls based on Linux to protect networks and computers from cyber security threats.
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.
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.
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:
Raluca Ada Popa found a fix for one of cybersecurity’s most fundamental challenges: securing computer systems without employing firewalls to keep hackers out.
DNS protection could prevent approximately one-third of the total losses due to cybercrime – which translates into billions of dollars potentially saved.
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.
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.
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.