Showing posts with label linux tutorial. Show all posts
Showing posts with label linux tutorial. Show all posts

Wednesday, June 5, 2013

How Common Attacks Are Being Blocked By Linux IPTABLES

Here in this section I am going to discuss some common attacks can be done on any type of Linux machine and I will also describe that how they are being blocked by iptables.

ICMP Flood | Ping Traffic

This is also known as ping of death attack or an ICMP flood. One must block ping traffic by using iptables. One must block all ICMP incoming packets from outside connection. You can let it allow for your internal network.  Below command shows how ICMP flood can be dropped by using iptables.DROP is used for dropping packet.

Monday, June 3, 2013

Command Line Magic - See Data Usage In Linux

As we can see and sort our folders according to our requirement in windows, I was asking myself that is there any way that we can do that in linux ?

Then i searched a bit on 'opensource' internet world and I found one inbuilt linux command which is du.

du stands for Data Usage. But alone du command should not be used. I used du command along with head and sort command.

Saturday, June 1, 2013

Information Gathering With WhatWeb Tool - Linux

This tool is bascially created for the website fingerprinting.It identifies the web technology and giving us the below details.This tool has more than 900 plugins to identify each and every information about the website in which you want to do fingerprinting. THis tools also supports the aggression level of the website. To control speed and reliability. 



Generally when you visit a website or a single page you can get much information about the site and much more. But sometimes it when you don't get any information then this WhatWeb comes in the pictures. It has an ability to interrogate the website in detail,in order to take out the further information of the website, server and much more.

Source : http://blog.tevora.com/info/whatweb-tool-for-pen-testers/

Terminal Magic - Histroy Command

This video is created for IT folks and IT ninjas who are beginner to linux terminal. Here I have make this video for all those people who want to get the best knowledge of HISTORY command. I have made this video in such way that you will get how to use history command in various ways to reduce the time complexity and getting the effective result in no time.