Tag: iptables

  • How to backup and restore iptables  on CentOS 7 / RHEL 7

    How to backup and restore iptables on CentOS 7 / RHEL 7

    In this post we will learn about how to backup and restore iptables on CentOS 7 and RHEL 7. The steps are still same as we have found in previous CentOS/RHEL versions. For backup and restore process of iptables, you should be login with root user in system Step 1 : To take iptables backup […]

  • How to backup and restore iptables on Linux systems

    How to backup and restore iptables on Linux systems

    In this post we will learn, how to backup and restore iptables on Linux systems .As a Linux System Administrator,it is important to understand iptables. With iptables,you can secure the Linux Operating System.In this post,we have written a quick way to take backup and restore the iptables in Linux systems. iptables is a user space […]

  • How to protect from port scanning and smurf attack in Linux Server by iptables

    How to protect from port scanning and smurf attack in Linux Server by iptables

    In this post I will share the iptable script in which we will learn How to protect from port scanning and smurf attack in Linux Server. Features Of Script : (1) When a attacker try to port scan your server, first because of iptable attacker will not get any information which port is open. Second […]