Introduction One of the first lines of defense in securing your cloud server is a functioning firewall. In the past, this was often done through complicated and arcane utilities. There is a lot of functionality built into these utilities, iptables being the most popular nowadays, but they require a decent effort on behalf of the user to learn and understand them. Firewall rules are not something you want yourself second-guessing. To this end, UFW is a considerably easier-to-use alternative. 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,
الوكالة العربية لخدمات امن المعلومات والتحقيق الرقمي . Ethical Hacker and Forensics Investigator