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...

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...

A hacker alters IP addresses attached to domains in a DNS server with a fake DNS entry. A user attempts to navigate to a specific domain, and the DNS server sends them to the IP address associated with that domain. That’s how DNS poisoning or spoofing works: A hacker alters IP addresses attached to domains in a DNS server with a fake DNS entry. A user attempts to navigate to a specific...

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...

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.    ...

Are you getting the Printer operation failed error 0x00000002 when trying to print or accessing a network printer? In this post, we will give you the best solutions to fix this error.  Here is the entire error message Connect to Printer Windows cannot connect to the printer Operation failed with error 0x00000002 Error 0x00000002 usually occurs whenever the user tries to connect...

     

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NetBIOS stands for Network Basic Input Output System. It is a software protocol that allows applications, PCs, and Desktops on a local area network (LAN) to communicate with network hardware and to transmit data across the network. Software applications that run on a NetBIOS network locate and identify each other via their NetBIOS names. A NetBIOS name is up to 16 characters long and...