You probably find out find that your server is being attacked by brute force SSH attacks, port scanning, viruses scanning for the ability to spread, things like that or for some other reason  you want to block a specific IP on your server. In this article, I’ll show you how to block an IP address on Linux server using IPTables. First, I’ll assume you are already using iptables. You can check that using this command line: iptables -V Second, you have to create 2 shell script files in /etc/init.d folder. So go in the folder with cd /etc/init.d and create the first file: vi press “i” paste this script inside #!/bin/bash #blocking iptables /sbin/iptables -A INPUT -s $1 -j DROP #saving iptables /sbin/iptables-save > /etc/sysconfig/iptables save the[…]

Google has released on June 18 2013 Chrome version 27.0.1453.116 for Windows, Macintosh and Chrome Frame platforms that addresses a huge vulnerability issue with Flash Player. This issue is a specific type of clickjacking now known as camjacking, and it basically tricks users into pressing the “Allow” button in the Flash Player Settings window. This issue has been fixed by Adobe since October 2011, but somehow it could still be leveraged in Chrome to hijack web-cams and microphones. A proof-of-concept  (not safe for work) (Chrome only) was developed by security researcher Egor Homakov @homakov to explain this exploit. This issue was first reported by @typicalrabbit in a blog post on of which the translated version can be found here. The proof shows a slide-show of pictures with girls,[…]