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...
Terminal Access Controller Access Control System or TACACS is a protocol used for AAA (Authentication, Authorization, and Audit). TACACS is created in 1984 .TACACS is heavily used by the Cisco and Cisco created some extended...
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,...
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,...
domain is a very popular term used in computer and information technology. Users generally do not know or misinterpret the domain keyword meaning. The domain can be used in different areas of computer science. In...
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...
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...
Network Address Translation a.k.a. NAT is a process or technique used to change IP address and TCP port numbers by an intermediate device like firewall, router, modem etc. There are different use cases for NAT...
Technical or not most of the people know the router word. Those who know the router can understand a different thing from the word. In this tutorial, we will try to explain what is a...
nslookup is a very powerful tool used to get DNS realted information from DNS servers. We can get web server IP address, Mail Server IP address, Alternative IP addresses, DNS Management Information etc from DNS...
