How To Block All Traffic From China Using iptables and ipset on Amazon Linux

Author: , October 24th, 2019

All credit to Matt Wilcox for this excellent article, for which this post is based – thank you, Matt! https://mattwilcox.net/web-development/unexpected-ddos-blocking-china-with-ipset-and-iptables/ All commands run as root!

Do this once only:

Then add blockchina to the root cron

How To Disable iptables Completely

Author: , October 2nd, 2013

List current iptables entries: iptables -L /etc/init.d/firewall stop ~or~ /etc/init.d/iptables stop ~or~ fwstop.sh

Safe, Sane and Secure – IPTables Introduction

Author: , January 20th, 2011

As a webmaster of over a decade, sometimes the load on my server spikes high. Investigation discovered that various bad guys on the Internet were probing/attacking my server on a regular basis. Step One – Be Aware Read your apache logs Actively monitor your servers. I use Nagios running on my home server. Use top […]