Gone are times, when companies used to have their own large computer networks doing everything themselves. They had to buy all of their servers, all of their networking appliances. They needed the physical space on premises for all of their datacenters... Now CLOUD has changed all that. Today, except their LANs, companies can literally build everything else on cloud. Practically, more...

Sandboxes provide ideal, secluded environments to screen certain malware types without giving that malware a chance to spread. Based on the observed behavior, the samples can then be classified as harmless, malicious, or “needs a closer look.” Running programs in such a secluded environment is referred to as sandboxing and the environment the samples are allowed to run in are...

Router and Modem are actually two separate devices, if you want to buy your own modem you might need to buy a router as well. What is a router? A router (router) shares your Internet connection with multiple devices, the ideal router currently is a wireless router that hosts WI-FI network that allows for wireless communication between multiple devices, and includes multiple ports that allow...

Address Resolution Protocol (ARP) ARP (Address Resolution Protocol) is a Layer 2 Protocol. Layer 2 uses Physical addresses (MAC addresses) and Layer 3 uses Logical addresses (IP Addresses) for the communication. ARP Protocol is used to discover the MAC Address of a node associated with a given IPv4 Address. This important duty...

Dynamic DNS, also known as DDNS, or DynDNS, is a very important tool for mapping domain names to IP addresses. It’s all about allowing a single web address to connect to an IP address that is always changing. Note that DDNS works best if you want to create a web server at home, or remotely connect to your Windows 10 computer from anywhere in the world. A free DDNS system would...

Internet Protocol (IP) networks utilize Dynamic Host Configuration Protocol or DHCP as a standardized network protocol since it is a safe and reliable configuration. It enables users to dynamically and transparently assign reusable IP addresses. If you have a DHCP server installed and configured on your network, all DHCP-enabled clients can obtain IP addresses and related...

Every time when you type an address of a website into your browser, the following things happen: 1. A DNS server is contacted. Your computer must reach out to the DNS server (DNS Resolver) for more information. 2. The DNS looks up a numerical address. Computers understand server addresses made up of numbers and dots only. If you've never searched for this site before, your computer will ask...

hMailServer is one of the best free email servers for Windows computers. We will show you how to create a Private Email Server for free with hMailServer. What is a Private Email Server? Whenever an email is received, it is usually stored first on an email server before the process of downloading it to your browser or email client begins. In most cases, such email servers are...

A browser is what enables the user to connect to the Internet. Without a browser, one can not even imagine using a computer; it allows you to access the Internet and just stay connected. Most of the time, when you buy a computer, it comes with a browser. However, there may come a time when you might want to install a Browser without using a Browser. We will discuss various methods to do...

IP Subnetting As we talked about before, there are two parts in an IP Address. One for them is Network part and the another is Host part. With IP Subnetting, we are adding one more part. This is “Subnet Part”. From the Host part, we borrow some bits and we will use this part for Subnet. In this lesson, we will learn Subnetting with Subnetting Examples.    ...