netwyman

 Who is currently in IT sector can easily know about this, Linux has invaded the server room. The operating system is running file servers, print servers, content delivery systems, global caching servers, data archives, VPN servers — you name it. There’s a very good chance that the big iron that composes the backbone of your company’s digital world is powered by Linux. Chances are also good that it’s not on many of your desktops, if any. Microsoft Windows continues to rule the enterprise on the desktop. Any inroads made against it have come from macOS X, typically in marketing and creative divisions. Relatively few companies consider the option of Linux on the desktop. But in recent years Linux distributions have become far more sophisticated and user-friendly, and the cost of deployment can be a fraction of more traditional large-scale desktop installations. Linux is often viewed as more secure, too.   PC World   calls security   “one of Linux's many advantages...

What is UFW? UFW, or Uncomplicated Firewall, is a front-end to iptables. Its main goal is to make managing your firewall drop-dead simple and to provide an easy-to-use interface. It’s well-supported and popular in the Linux community—even installed by default in a lot of distros. As such, it’s a great way to get started securing your sever. Before We Get Started First, obviously, you want to make sure UFW is installed. It should be installed by default in Ubuntu, but if for some reason it’s not, you can install the package using aptitude or apt-get using the following commands: sudo aptitude install ufw or sudo apt-get install ufw Check the Status You can check the status of UFW by typing:sudo ufw status Right now, it will probably tell you it is inactive. Whenever ufw is active, you’ll get a listing of the current rules that looks similar to this: Status: active To Action From -- ------ ---- 22 ALLOW ...