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iptables

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

July 28, 2014 by Sharad Chhetri Leave a Comment

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 […]

Filed Under: Linux Tagged With: centos 7, iptables

How to backup and restore iptables on Linux systems

February 22, 2014 by Sharad Chhetri 2 Comments

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 […]

Filed Under: Linux, Tips And Tricks Tagged With: iptables

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

June 15, 2013 by Sharad Chhetri 21 Comments

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 […]

Filed Under: Linux, Tips And Tricks Tagged With: iptables

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