Knowledge Archives - Crazylearner

How Just Dial Make Money

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How Just Dial Make Money? If you have ever made use of Just Dial to get information about a product or service in your city, you must be wondering how this company generates revenues for itself. It heavily advertises on TV channels with none other than super star Amitabh Bacchan telling you how useful it is to dial and get information with this service. Just Dial is India’s largest local search engine that disseminates information about businesses to people. People get the addresses and phone numbers of service providers through Just Dial and they can proceed to receive services from…

Earn money, Knowledge

How WhatsApp Makes Money

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Hardly do you get to see someone in the present era of internet and technology who doesn’t know about Whatsapp? That’s how popular the application that is available on all major platforms is. But if you think about it, Whatsapp doesn’t have any advertisements shown while you are using the application, so have you ever wondered how exactly does Whatsapp make money? It was purchased by Facebook a year back for 19 billion dollars. So what is it that makes it worth such a gigantic sum of money? The below-mentioned information is going to solve the enigma for you. How…

ABC of Ethical Hacking, Knowledge

How to bye pass Firewall 2

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Welcome back in section of How to bye pass firewall. Earlier we discuss about Identification of Firewall in post How to bye pass Firewall. In this post we discuss about tools to bye pass the firewall and study about Its technique. Breaching Firewalls One of the easiest and most common ways for an attacker to slip by a firewall is by installing network software on an internal system, which communicates by using a port address permitted by the firewall’s configuration A popular port is TCP port 80, which is normally used by web server Many firewalls permit traffic using port…

ABC of Ethical Hacking, Knowledge

How to bye pass Firewall

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How to bye pass Firewall To bye pass the Firewall you must know the firewall identification means full information about Firewall like type , version , and rules of almost every firewall on a Network. These are three technique for Firewall Identification Port scanning Firewalking Banner grabbing Port Scanning (How to bye pass Firewall) Some firewalls have obvious signatures Check Point’s FireWall-1 listens on TCP ports 256, 257, 258, and 259 Check Point NG listens on TCP ports 18210, 18211, 18186, 18190, 18191, and 18192 as well Microsoft’s Proxy Server usually listens on TCP ports 1080 and 1745 Here…

ABC of Ethical Hacking, Knowledge

FIREWALL

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This post will familiarize you with Firewall , bypass the firewall and tools to bye pass it. WHAT IS FIRE WALL? A hardware device and/or software program which sits between the Internet and the intranet, internet, of an organization It restricts information that comes to your computer from other computers, giving you more control over the data on your computer and providing a line of defense against people or programs that try to connect to your computer without invitation. In fact, that’s why its called a firewall. Its job is similar to a physical firewall that keeps a fire from…