• Skip to primary navigation
  • Skip to content
  • Skip to primary sidebar
  • Skip to footer
sharadchhetri.com

sharadchhetri.com

Linux,Cloud Computing And DevOps

  • Home
  • Linux
  • CloudComputing
    • Introduction Cloud Computing
    • Amazon AWS
  • Free E-Books
  • About Me

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 19 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

Primary Sidebar

Help To Needy

If you like our posts and tutorials, please support/donate to ANY “Open Source Project” or do some Charity work. Hope this will make someone happy in this world. Drop me an email if you want to inspire others!

Thank You!

Follow Us

  • Facebook
  • Twitter
  • GitHub
  • YouTube

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Top Posts & Pages

  • How to delete mail queue in Postfix
  • How to start / stop / restart / reload iptables on CentOS 7 / RHEL 7
  • How to find absolute path of command on Linux / Unix : which command
  • How to fix read only USB pen drive in Ubuntu
  • How to set hostname and FQDN on CentOS 7 and RHEL 7
  • Install KVM on Ubuntu 14.04 LTS Desktop
  • How to zip the directory in linux with command line
  • 4 different commands to check the load average in linux
  • How to install XAMPP on CentOS/RHEL 6.5
  • CentOS 7 / RHEL 7 : change OpenSSH port number ( SELINUX enabled )

Recent Posts

  • Install and setup maven in Linux for Jenkins
  • How to setup Jenkins Credentials for Git repo access
  • How to manage Jenkins Credentials
  • Managing Jenkins plugins from command line and GUI
  • How to create Jenkins user by command line and GUI

Footer

Sharad Chhetri is an experienced Linux - Cloud Engineer & freelancer. Working on Open Source Technology since RHEL 4.0 (Red Hat Enterprise Linux). He loves sharing the knowledge which earned from real scenarios. Don't be surprised if you find him in technology seminars and meetup groups. You can contact him on email for freelance projects at admin@sharadchhetri.com. Read More…

Privacy & Cookies: This site uses cookies. By continuing to use this website, you agree to their use.
To find out more, including how to control cookies, see here: Cookie Policy

Our GitHub Repo

sharadchhetri @ GitHub
  • java-samples
    Java Sample Project For Tutorial
    December 25, 2018 - 2:29 pm UTC
  • misc
    OpenSSH rpm created from tar ball
    November 21, 2018 - 3:12 am UTC
  • scripts
    Cassandra Backup Script
    November 21, 2018 - 3:09 am UTC
  • packer
    Packer : Create server images in automated way
    November 21, 2018 - 3:08 am UTC
  • Nagios
    My Nagios custom plugins
    November 21, 2018 - 3:07 am UTC

Recent Comments

  • Sharad Chhetri on CentOS 7 / RHEL 7 : change OpenSSH port number ( SELINUX enabled )
  • Dave on CentOS 7 / RHEL 7 : change OpenSSH port number ( SELINUX enabled )
  • Prafulla S on Install Shotcut on Ubuntu 16.04 LTS desktop
  • Sujata on Install Telnet Server on CentOS 7 / RHEL 7
  • kishen sharma on How to install redis server on CentOS 7 / RHEL 7
  • Sharad Chhetri on Secondary Logging : save all users history command output as log
  • Anand on Secondary Logging : save all users history command output as log
  • Sharad Chhetri on Install redis 3.0 from source on Ubuntu 14.04 / CentOS 7 / RHEL 7

Copyright © 2009 - 2019 · All Rights Reserved sharadchhetri.com · · Privacy Policy ·
· sitemap.xml · ·The content is copyrighted to sharadchhetri.com and may not be reproduced on other websites without our permission. ·