![]() ![]() ![]() ![]() Installing these with the command "sudo dpkg -i opensnitch*.deb python3-opensnitch-ui*deb" results in an error, which is expected. Following the documentation, I downloaded two packages, one for the OpenSnitch background service and one for the graphical interface. I decided to run OpenSnitch on Linux Mint. (full image size: 121kB, resolution: 1125x863 pixels) OpenSnitch - Installing the OpenSnitch packages The OpenSnitch software is open source (licensed under the GNU General Public License version 3) and the project provides instructions for building the software from its source code. Pre-built Deb and RPM packages are available and supported on most major distributions. OpenSnitch provides a number of install options. It's an interesting and powerful tool, one which I felt deserved more attention. The OpenSnitch service can monitor connection attempts, let us know which processes are trying to talk over the network, and to which remote servers. OpenSnitch focuses on which program is trying to access the network or send network traffic to remote machines. Most Linux firewall tools focus on blocking access to specific network ports or remote servers. It is a service with a friendly graphical desktop application which assists the user in blocking network connections based on which daemon or application is making the connection attempt. OpenSnitch is a rare tool in the Linux ecosystem. One utility stood out during my time with the distribution: OpenSnitch. Recently I talked about the LockBox distribution which ships with a hardened network configuration and some network security tools. OpenSnitch - an application firewall for Linux Listen to the Podcast edition of this week's DistroWatch Weekly in OGG (14MB) and MP3 (11MB) formats. Opinion poll: Do you run a firewall on your computer?.Upcoming releases: FreeBSD 12.3, Tails 4.25.Released last week: CentOS 9, NixOS 21.11, 4MLinux 38.0.Book review: Command Line Text Processing with GNU Coreutils.News: UBports gains new apps, T2 SDE starts bug bounty program, Fedora 33 reaches its end of life.Review: OpenSnitch - an application firewall for Linux.We wish you all a superb week and happy reading! Plus we are pleased to share the releases of the past week and list the torrents we are seeding. This week we share a book which explores the command line and shares examples of how multiple commands can be used together to handle simple tasks and manipulate data. A lot of power can be found in the Linux command line, but getting started with command line tools is not intuitive or easy. We also talk about the T2 SDE project starting its own bug bounty program while Fedora 33 reaches the end of its supported life. In our News section we talk about UBports gaining more native, mobile applications. Do you run a firewall tool like OpenSnitch or UFW on your computer? Let us know about it in this week's Opinion Poll. OpenSnitch is a network filtering tool which takes a different approach and we talk about how it works to lock down and monitor specific processes in this week's Feature Story. Most Linux firewalls focus on locking down (or opening up) specific ports on our machine, regardless of which software is running. One of the many tools we can use to protect ourselves from malicious attacks on-line is a firewall. Malicious actors are constantly scanning for vulnerabilities, seeking out unpatched systems, and trying to guess passwords. ![]() Welcome to this year's 48th issue of DistroWatch Weekly! ![]()
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