![]() Since, we installed the iptables service and we did not add any rule, checking the iptables rules should give you empty output. Once, the iptables service is installed we can proceed with the basic iptables rules in the next paragraphs. To install the iptables service execute the following command: sudo apt-get install iptables -y Once, the system is updated we are ready to show you the basic iptables commands in Linux. User privileges: root or non-root user with sudo privilegesīefore we start with the basic iptables rules we are going to update the system packages to the latest versions available.In this blog post, we are going to use Ubuntu 22.04 as OS, but you can choose any distro if you want to try these iptables commands by yourself. The rules in iptables are stored in tables that have chains for every defined rule. The traffic is controlled by the iptables rules in the firewall written by system administrators or users familiar with Linux servers. Iptables on Linux servers are used for controlling the incoming and outgoing web traffic. In this tutorial we are going to explain to you 10 useful iptables commands applicable in any Linux distro.
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