Port 22 and Relation with SSH Protocol
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...
Category: Switching
ARPANET and Its History
Advanced Research Projects Agency (ARPA) is an agency based U.S. The ARPANET is a network created and developed by this agency. Perhaps ARPANET is the most popular military project known by millions. Creation Of ARPANET...
IPv4 vs IPv6 – What Are Similarities and Differences?
Internet Protocol or IP is designed to create a worldwide network to connect every computer to each other. OSI reference model creates a model where different protocols and networks can be defined and IP is...
What Is Packet Sniffing with List Of Packet Sniffers?
Packet Sniffing is the process to capture packets. Generally, computer network packets are sniffed. Packet sniffing may seem very simple but in reality, it provides a lot of complexity related to the protocols, network mediums,...
What Is A Router In Computing and Networking?
Routers are one of the most important components of the today computer networks and the internet. Actually, most of the computer networks are connected to the internet in different ways and techniques. The computer network...
What Is RJ45 Connector?
RJ45 is a type of cable connector which is mainly used in computer networks. RJ45 is mainly used for ethernet networking which is used to connect different type of devices like a switch, hub, PC,...
What Is LAN (Local Area Network) and Compare With MAN, MAN?
Local Area Network is a computer network where computers in the same location or group are connected together and shares common communication lines. Local Area Network is mainly expressed as LAN which is a very...
What Is A Firewall and How Its Work?
Today Firewall is depicted as the main component of the security and networks. Firewalls provide a lot of different operations and features. In the old days, the firewall was simply used to block or allow...
What is Zenmap and How To Download, Install and Use In Windows, Linux?
Zenmap is an free and open source GUI designed to be used with nmap . Zenmap is multiplatform tool which supports Linux, Ubuntu, Mint, Kali, Fedora, CentOS,.. , Windows, Mac OS X, BSD etc. . nmap is very...
How to Lookup OUI (Organizationally Unique Identifier) In Linux
Network switches or Layer 2 technology Ethernet protocol uses MAC addresses in order to transfer frames between systems. MAC addresses are 48 bit value. This 48 bit value contains the device manufacturer ID as the...
