We already know what is DOS attack and how it can break up any network causing Denial of Service. If you don’t know about DOS, please read this post before proceeding. We only saw which were the ways in which an attacker can do DOS attacks. In this post, we will […]

What is DDOS attack?

Denial of Service (DOS) is one of the most common and easiest way of cyber-attack present today. You can use an IP anonymity/hiding along with a software and boom, you can do a denial of service. The simplicity of this attack is what makes it more dangerous. Anyone from anywhere can […]

What is DOS attack?

Every guy studying or working with computers has heard about OSI model. People working in networking have to deal with this on a daily basis, where as students need to understand this for their networking subject. There’s a lot of confusion around this OSI model which makes it look more […]

What is OSI Model? OSI model simplified !

An IDS or Intrusion Detection System is often confused with Honeypot since both are related to network security. Many students think of it as an another type of honeypot, which is incorrect. Although, both IDS and Honeypot keep your network secure and alert you about various attacks, both of them […]

What is IDS or Intrusion Detection System ?

We all have heard about firewall. Many of us have seen a small pop-up near date & time in the task bar, asking us to turn on Firewall. People who play games in LAN, have to turn off their firewall. But what is this Firewall and why is it there? […]

What is Firewall?

Many computer/IT students would have come across this word at least once during their college life. Thankfully, it is not as complex as routers or IP addresses to understand. Well, the concept of Honeypot is quite old, but is still effective, and many companies still use it to secure themselves […]

What is Honeypot?

Network Address Translation is a very deep and sophisticated topic, but we are here only to give you an idea about these technologies, so you’ll be aware of what it is and how it works. We will just cover the tip of an iceberg in this post, just to familiarize […]

What is Network Address Translation

To understand VLAN, we first need to know what is a Network Switch. A network switch is a device that connects all the computers in a network and looks something like this: To know more about Switches, refer this post. In any environment the TCP/IP protocols are used to configure […]

What is VLAN?

Virtual Private Network! Virtual private network or a VPN is a secured encrypted connection between two servers in WAN/MAN so that they can easily and securely communicate with each other over the internet. A normal connection on the internet is very insecure and a user can face various issues while […]

Virtual Private Network (VPN)

What is FTP Server? FTP stands for File Transfer Protocol. A FTP server is basically used to transfer files within or outside a network! For transmitting or exchanging files between various computers a standard protocol is used! These protocols are followed in the client and server-side.   What is Protocol? Protocol simply put is […]

What is FTP server?

Q) What is IP?? Ans: IP stands for Internet Protocol. It is a unique address assigned to a computer when it connects to the internet. Q) Who has an IP address?? Ans: Any computer that is either connected to Internet or is connected to a network. Internet Protocol : Well, […]

Internet Protocol (IP Address)

What is DHCP Server? DHCP stands for Dynamic Host Control Protocol. A DHCP server is one of the most essential part of any big network. Be it a college, or school or your workplace, you will find a DHCP server in any network, consisting of more than 15 computers. Function […]

DHCP Server

Nagios is one of the most famous and used application, to check other servers in a network. We can define hosts, and the services we need to monitor, in a ‘.cfg’ file. Once we are done with that, we can enter the IP of the machine on which we installed […]

Install Nagios in Cent OS 6

When you’re new to Linux, configuring your network can be a tedious job, and if you do it wrong, your internet won’t work. And we all know, how important internet is to us 🙂 So in this post, we will check how to configure network in Linux Systems, both RedHat […]

How to configure network in Linux

Proxy Server acts as an intermediate between your local network and Internet. Proxy servers is used to watch the user’s internet activities, control the bandwidth and block various sites in large industries, or schools or colleges. Every information sent by local machines goes to proxy server to the internet, and […]

Configure Squid Proxy Server

SAMBA Samba is one of the most used, and important server in any industry that prefers Linux Servers, with Windows Clients. For sharing files which are located in your Linux System, Samba servers are set up with all the clients using Windows Operating System. So samba is quite handy, because […]

Configuring Samba Server

FTP stands for File Transfer Protocol. Normal internet users access webpages via ‘http’ protocol. Here, in FTP we only deal with files. FTP is a protocol used to transfer files from one host to another. A FTP server has files for sharing or downloading, and the client uses it to […]

Configure authenticated FTP Server

Apache Webserver! What is a Web server? Web server is a machine that server requests for web contents like web pages or web services. That is, Web server gives the response when it gets a request for a particular web page. Website builders host their web pages on a dedicated […]

Configure Apache Web Server

What is Router? A router is a device, designed to take incoming packets, analyze them for threats and viruses, and then send them along a network. Why is Router used? Today, we use Routers in our home to share one Internet Connections with several devices, like Laptops, Desktops, Mobiles, Tablet phones, […]

What is Router?