Tags: Firewall

Best Free Linux Firewalls of 2018

A firewall is an important aspect of computer security these days, and most modern routers have one built in, which while helpful, can be difficult to configure. Fortunately there are also distributions (distros) of the free operating system Linux which have been specifically designed to function...
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IPFire Open Source Firewall Linux Distribution Gets Cryptography Improvements

IPFire, the open-source and free firewall distribution based on the Linux kernel, has been updated today to version 2.19 Core Update 120, a release that adds new features, improvements, and updated components. IPFire 2.19 Core Update 120 is packed with quite a lot of new features that promise to...
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IPFire
IPFire was designed for users new to firewalling, so it places a premium on user-friendliness.

IPFire: A User-Friendly Linux Firewall Distribution

Securing your network is an incredibly challenging task, one that’s made even more difficult by software that adds yet another layer of complexity on top. And let’s face it, most firewall tools are the stuff of user nightmare. That’s why, when a firewall tool strips away some of that complexity, it...
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How to Fix the Docker and UFW Security Flaw

If you use Docker on Linux, chances are your system firewall might be relegated to Uncomplicated Firewall (UFW). If that's the case, you may not know this, but the combination of Docker and UFW poses a bit of a security issue. Why? Because Docker actually bypasses UFW and directly alters iptables,...
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Firewall rules
Carla Schroder starts this short series on firewalls by debunking some common IPv6 security myths.

Building IPv6 Firewalls: IPv6 Security Myths

We've been trundling along nicely in IPv6, and now it is time to keep my promise to teach some iptables rules for IPv6. In this two-part series, we'll start by examining some common IPv6 security myths. Every time I teach firewalls I have to start with debunking myths because there are a lot of...
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Shorewall
Shorewall is an open source firewalling tool that makes the task of network security easier.

An Introduction to the Shorewall Firewall Tool

Linux is well known for being a highly secure platform. One of the reasons for said security is the Netfilter system. For those that don’t know, Netfilter is a framework, provided by the Linux kernel, that allows for various networking operations, such as packet filtering, network address...
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5 Features to Look For In A Next-Generation Firewall

Sure, the term next-generation firewall (NGFW) has been around since 2007 and the vendors have been hyping these products for a close to a decade. So what’s new this year? Adam Hils, research director, network security, at Gartner, says what’s different about today’s NGFWs is the integration of...
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