Linux, Windows, Security, Programming, Network Tutorials
Dial-Up is a network connection that uses the copper lines or phone lines to connect remote systems. Dial-up was used to connect the internet during the 1990s even created a lot of time ago. Dial-Up History Dial-up history goes back to the 1950s. First, dial-up modems are created for military purposes. There was no commercial … Read more
Router is a popular device that is used to connect different networks together. From an end-user point of view, a router is a device that is used to connect the internet. ADSL Modems ,Dialup Modems ,MetroEthernet Switch , 4G and 5G Modems also referred to as Router because of their routing function and the popularity … Read more
VLAN is network topology and methodology which is used to create separate and isolated single or multiple LANs’s over the physical LAN. VLANs are created logically over the LANs and creating VLAN is easy with the help of different network protocols. VLAN is the short form for the Virtual LAN or in a long-form Virtual … Read more
nslookup is a tool used to resolve DNS name into IP address or IP address to DNS name. nslookup provides a lot of different features during DNS resolution. nslookup command features also provided from different web sites and web applications. In this tutorial, we will talk about these different web sites and their features. centralops.net … Read more
X.25 is a packet-switched network technology used long before ago. X.25 is one of the first packet-switched network used to transmit data between multiple hosts. In this tutorial, we will define the X.25 protocol as well as the X.25 standard, history, network equipment, and components. X.25 Packet Switching As its name suggests X.25 is a … Read more
Windows operating system uses Winsock technology in order to maintain network and internet communication and connection. During the usage of the Winsock especially in heavy usage, it may create network and internet connection problems because of the crash. In this tutorial, we will learn how to reset the network adaptor and TCP/IP network stack via … Read more
NIC is the short form of the Network Interface Card. Network Interface Card or simply Network Card is simply used to connect different types of devices into the network generally to access the internet or intranet. What Is NIC(Network Interface Card)? Network Interface Card explains itself in a pure way where A card which has … Read more
Kbps is a very popular term used in IT. Kbps is the short presentation of the Kilobits per second in order to specify the speed or data size which can be transmitted, executed, processed, etc. from the given service or device. Mostly Kbps is used to express the data transmission medium speed in computer networks. … Read more
DNS makes us name IP addresses into meaningful names. We can name a host with a human-readable name and use this name to access it. DNS management can be done in different ways where DNS servers are the most practical and straightforward way. But the first step before a DNS server to query a DNS … Read more
What is port 22? Is SSH using 22 or different port? How can I check that port 22 is open? We can increase the questions but in this tutorial, we will dive into details of the TCP Port Number 22 which is the default defacto SSH (Secure Shell) Port. SSH (Secure Shell) Secure Shell or … Read more